"The large-scale homogeneity of the universe makes it very difficult to believe that the structure of the universe is determined by anything so peripheral as some complicated molecular structure on a minor planet orbiting a very average star in the outer suburbs of a fairly typical galaxy."

— Steven Hawking

NASA

NASA Tests New RS-25 Engine

NASA News - Mon, 06/23/2025 - 9:27am
NASA tested RS-25 engine No. 20001 on June 20, at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. Test teams fired the engine for almost eight-and-a-half minutes (500 seconds), the same amount of time RS-25 engines fire during a launch of an SLS (Space Launch System) rocket on Artemis missions to the Moon. NASA

NASA tested RS-25 engine No. 20001 on June 20, at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. Test teams fired the engine for almost eight-and-a-half minutes (500 seconds), the same amount of time RS-25 engines fire during a launch of an SLS (Space Launch System) rocket on Artemis missions to the Moon. The Artemis campaign will explore the Moon for scientific discovery, economic benefits, and to build the foundation for the first crewed missions to Mars – for the benefit of all.

Four RS-25 engines, built by contractor L3Harris Technologies (formerly Aerojet Rocketdyne), help power each SLS launch, producing up to 2 million pounds of combined thrust. During the test, operators also fired engine No. 20001 up to the 111% power level, the same amount of thrust needed to launch an SLS rocket, carrying the Orion spacecraft, to orbit. The full-duration “hot fire” was the first test since NASA completed certification testing for new production RS-25 engines in 2024.

All RS-25 engines are tested and proven flightworthy at NASA Stennis. The test was conducted by a team of operators from NASA, L3Harris, and Syncom Space Services, prime contractor for site facilities and operations.

Explore More NASA Stennis Images
Categories: NASA

NASA Tests New RS-25 Engine

NASA - Breaking News - Mon, 06/23/2025 - 9:27am
NASA tested RS-25 engine No. 20001 on June 20, at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. Test teams fired the engine for almost eight-and-a-half minutes (500 seconds), the same amount of time RS-25 engines fire during a launch of an SLS (Space Launch System) rocket on Artemis missions to the Moon. NASA

NASA tested RS-25 engine No. 20001 on June 20, at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. Test teams fired the engine for almost eight-and-a-half minutes (500 seconds), the same amount of time RS-25 engines fire during a launch of an SLS (Space Launch System) rocket on Artemis missions to the Moon. The Artemis campaign will explore the Moon for scientific discovery, economic benefits, and to build the foundation for the first crewed missions to Mars – for the benefit of all.

Four RS-25 engines, built by contractor L3Harris Technologies (formerly Aerojet Rocketdyne), help power each SLS launch, producing up to 2 million pounds of combined thrust. During the test, operators also fired engine No. 20001 up to the 111% power level, the same amount of thrust needed to launch an SLS rocket, carrying the Orion spacecraft, to orbit. The full-duration “hot fire” was the first test since NASA completed certification testing for new production RS-25 engines in 2024.

All RS-25 engines are tested and proven flightworthy at NASA Stennis. The test was conducted by a team of operators from NASA, L3Harris, and Syncom Space Services, prime contractor for site facilities and operations.

Explore More NASA Stennis Images
Categories: NASA

Heather Cowardin Safeguards the Future of Space Exploration  

NASA - Breaking News - Mon, 06/23/2025 - 6:00am
5 Min Read Heather Cowardin Safeguards the Future of Space Exploration  

As branch chief of the Hypervelocity Impact and Orbital Debris Office at NASA’s Johnson Space Center in Houston, Dr. Heather Cowardin leads a team tasked with a critical mission: characterizing and mitigating orbital debris—space junk that poses a growing risk to satellites, spacecraft, and human spaceflight. 

Long before Cowardin was a scientist safeguarding NASA’s mission, she was a young girl near Johnson dreaming of becoming an astronaut.  

“I remember driving down Space Center Boulevard with my mom and seeing people running on the trails,” she said. “I told her, ‘That will be me one day—I promise!’ And she always said, ‘I know, honey—I know you will.’” 

Official portrait of Heather Cowardin. NASA/James Blai I was committed to working at NASA—no matter what it took.

Heather Cowardin

Hypervelocity Impact and Orbital Debris Branch Chief

Today, that childhood vision has evolved into a leadership role at the heart of NASA’s orbital debris research. Cowardin oversees an interdisciplinary team within the Astromaterials Research and Exploration Science Division, or ARES. She supports measurements, modeling, risk assessments, and mitigation strategies to ensure the efficiency of space operations.  

With more than two decades of experience, Cowardin brings expertise and unwavering dedication to one of the agency’s most vital safety initiatives. 

Her work focuses on characterizing Earth-orbiting objects using optical and near-infrared telescopic and laboratory data. She helped establish and lead the Optical Measurement Center, a specialized facility at Johnson that replicates space-like lighting conditions and telescope orientations to identify debris materials and shapes, and evaluate potential risk. 

Cowardin supports a range of research efforts, from ground-based and in-situ, or in position, observations to space-based experiments. She has contributed to more than 100 scientific publications and presentations and serves as co-lead on Materials International Space Station Experiment missions, which test the durability of materials on the exterior of the orbiting laboratory. 

She is also an active member of the Inter-Agency Space Debris Coordination Committee, an international forum with the goal of minimizing and mitigating the risks posed by space debris.  

Heather Cowardin, left, holds a spectrometer optical feed as she prepares to take a spectral measurement acquisition on the returned Wide Field Planetary Camera 2 radiator. It was inspected by the Orbital Debris Program Office team for micrometeoroid and orbital debris impacts at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, in 2009, and later studied for space weathering effects on its painted surface.

Her passion was fueled further by a mentor, Dr. James R. Benbrook, a University of Houston space physics professor and radar scientist supporting the Orbital Debris Program Office. “He was a hard-core Texas cowboy and a brilliant physicist,” she said. “He brought me on as a NASA fellow to study orbital debris using optical imaging. After that, I was committed to working at NASA—no matter what it took.” 

After completing her fellowship, Cowardin began graduate studies at the University of Houston while working full time. Within a year, she accepted a contract position at Johnson, where she helped develop the Optical Measurement Center and supported optical analyses of geosynchronous orbital debris. She soon advanced to optical lead, later serving as a contract project manager and section manager. 

Heather Cowardin inspects targets to study the shapes of orbital debris using the Optical Measurement Center at NASA’s Johnson Space Center in Houston. What we do at NASA takes new thinking, new skills, and hard work—but I believe the next generation will raise the bar and lead us beyond low Earth orbit.

Heather Cowardin

Hypervelocity Impact and Orbital Debris Branch Chief

Building on her growing expertise, Cowardin became the laboratory and in-situ measurements lead for the Orbital Debris Program Office, a program within the Office of Safety and Mission Assurance at NASA Headquarters. She led efforts to characterize debris and deliver direct measurement data to support orbital debris engineering models, such as NASA’s Orbital Debris Engineering Model and NASA’s Standard Satellite Breakup Model, while also overseeing major projects like DebriSat.  

Cowardin was selected as the Orbital Debris and Hypervelocity Integration portfolio scientist, where she facilitated collaboration within the Hypervelocity Impact and Orbital Debris Office—both internally and externally with stakeholders and customers. These efforts laid the foundation for her current role as branch chief. 

“I’ve really enjoyed reflecting on the path I’ve traveled and looking forward to the challenges and successes that lie ahead with this great team,” she said.  

One of Cowardin’s proudest accomplishments was earning her doctorate while working full time and in her final trimester of pregnancy. 

“Nothing speaks to multitasking and time management like that achievement,” Cowardin said. “I use that story to mentor others—it’s proof that you can do both. Now I’m a mom of two boys who inspire me every day. They are my motivation to work harder and show them that dedication and perseverance always pay off.” 

From left to right: Heather Cowardin, her youngest child Jamie, her husband Grady, and her oldest child Trystan. The family celebrates Jamie’s achievement of earning a black belt.

Throughout her career, Cowardin said one lesson has remained constant: never underestimate yourself. 

“It’s easy to think, ‘I’m not ready,’ or ‘Someone else will ask the question,’” she said. “But speak up. Every role I’ve taken on felt like a leap, but I embraced it and each time I’ve learned and grown.” 

She has also learned the value of self-awareness. “It’s scary to ask for feedback, but it’s the best way to identify growth opportunities,” she said. “The next generation will build on today’s work. That’s why we must capture lessons learned and share them. It’s vital to safe and successful operations.” 

Heather Cowardin, fifth from left, stands with fellow NASA delegates at the 2024 Inter-Agency Space Debris Coordination Committee meeting hosted by the Indian Space Research Organisation in Bengaluru, India. The U.S. delegation included representatives from NASA, the Department of Defense, the Federal Aviation Administration, and the Federal Communications Commission.

To the Artemis Generation, she hopes to pass on a sense of purpose. 

“Commitment to a mission leads to success,” she said. “Even if your contributions aren’t immediately visible, they matter. What we do at NASA takes new thinking, new skills, and hard work—but I believe the next generation will raise the bar and lead us beyond low Earth orbit.” 

When she is not watching over orbital debris, she is lacing up her running shoes. 

“I’ve completed five half-marathons and I’m training for the 2026 Rock ‘n’ Roll half-marathon in Nashville,” she said. “Running helps me decompress—and yes, I often role-play technical briefings or prep conference talks while I’m out on a jog. Makes for interesting moments when I pass people in the neighborhood!” 

About the AuthorSumer Loggins

Share Details Last Updated Jun 23, 2025 LocationJohnson Space Center Related Terms Explore More 5 min read Johnson’s Jason Foster Recognized for New Technology Reporting Record Article 1 week ago 3 min read NASA Engineers Simulate Lunar Lighting for Artemis III Moon Landing Article 6 days ago 5 min read Driven by a Dream: Farah Al Fulfulee’s Quest to Reach the Stars Article 7 days ago Keep Exploring Discover More Topics From NASA

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Humans in Space

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Solar System

Categories: NASA

Heather Cowardin Safeguards the Future of Space Exploration  

NASA News - Mon, 06/23/2025 - 6:00am
5 Min Read Heather Cowardin Safeguards the Future of Space Exploration  

As branch chief of the Hypervelocity Impact and Orbital Debris Office at NASA’s Johnson Space Center in Houston, Dr. Heather Cowardin leads a team tasked with a critical mission: characterizing and mitigating orbital debris—space junk that poses a growing risk to satellites, spacecraft, and human spaceflight. 

Long before Cowardin was a scientist safeguarding NASA’s mission, she was a young girl near Johnson dreaming of becoming an astronaut.  

“I remember driving down Space Center Boulevard with my mom and seeing people running on the trails,” she said. “I told her, ‘That will be me one day—I promise!’ And she always said, ‘I know, honey—I know you will.’” 

Official portrait of Heather Cowardin. NASA/James Blai I was committed to working at NASA—no matter what it took.

Heather Cowardin

Hypervelocity Impact and Orbital Debris Branch Chief

Today, that childhood vision has evolved into a leadership role at the heart of NASA’s orbital debris research. Cowardin oversees an interdisciplinary team within the Astromaterials Research and Exploration Science Division, or ARES. She supports measurements, modeling, risk assessments, and mitigation strategies to ensure the efficiency of space operations.  

With more than two decades of experience, Cowardin brings expertise and unwavering dedication to one of the agency’s most vital safety initiatives. 

Her work focuses on characterizing Earth-orbiting objects using optical and near-infrared telescopic and laboratory data. She helped establish and lead the Optical Measurement Center, a specialized facility at Johnson that replicates space-like lighting conditions and telescope orientations to identify debris materials and shapes, and evaluate potential risk. 

Cowardin supports a range of research efforts, from ground-based and in-situ, or in position, observations to space-based experiments. She has contributed to more than 100 scientific publications and presentations and serves as co-lead on Materials International Space Station Experiment missions, which test the durability of materials on the exterior of the orbiting laboratory. 

She is also an active member of the Inter-Agency Space Debris Coordination Committee, an international forum with the goal of minimizing and mitigating the risks posed by space debris.  

Heather Cowardin, left, holds a spectrometer optical feed as she prepares to take a spectral measurement acquisition on the returned Wide Field Planetary Camera 2 radiator. It was inspected by the Orbital Debris Program Office team for micrometeoroid and orbital debris impacts at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, in 2009, and later studied for space weathering effects on its painted surface.

Her passion was fueled further by a mentor, Dr. James R. Benbrook, a University of Houston space physics professor and radar scientist supporting the Orbital Debris Program Office. “He was a hard-core Texas cowboy and a brilliant physicist,” she said. “He brought me on as a NASA fellow to study orbital debris using optical imaging. After that, I was committed to working at NASA—no matter what it took.” 

After completing her fellowship, Cowardin began graduate studies at the University of Houston while working full time. Within a year, she accepted a contract position at Johnson, where she helped develop the Optical Measurement Center and supported optical analyses of geosynchronous orbital debris. She soon advanced to optical lead, later serving as a contract project manager and section manager. 

Heather Cowardin inspects targets to study the shapes of orbital debris using the Optical Measurement Center at NASA’s Johnson Space Center in Houston. What we do at NASA takes new thinking, new skills, and hard work—but I believe the next generation will raise the bar and lead us beyond low Earth orbit.

Heather Cowardin

Hypervelocity Impact and Orbital Debris Branch Chief

Building on her growing expertise, Cowardin became the laboratory and in-situ measurements lead for the Orbital Debris Program Office, a program within the Office of Safety and Mission Assurance at NASA Headquarters. She led efforts to characterize debris and deliver direct measurement data to support orbital debris engineering models, such as NASA’s Orbital Debris Engineering Model and NASA’s Standard Satellite Breakup Model, while also overseeing major projects like DebriSat.  

Cowardin was selected as the Orbital Debris and Hypervelocity Integration portfolio scientist, where she facilitated collaboration within the Hypervelocity Impact and Orbital Debris Office—both internally and externally with stakeholders and customers. These efforts laid the foundation for her current role as branch chief. 

“I’ve really enjoyed reflecting on the path I’ve traveled and looking forward to the challenges and successes that lie ahead with this great team,” she said.  

One of Cowardin’s proudest accomplishments was earning her doctorate while working full time and in her final trimester of pregnancy. 

“Nothing speaks to multitasking and time management like that achievement,” Cowardin said. “I use that story to mentor others—it’s proof that you can do both. Now I’m a mom of two boys who inspire me every day. They are my motivation to work harder and show them that dedication and perseverance always pay off.” 

From left to right: Heather Cowardin, her youngest child Jamie, her husband Grady, and her oldest child Trystan. The family celebrates Jamie’s achievement of earning a black belt.

Throughout her career, Cowardin said one lesson has remained constant: never underestimate yourself. 

“It’s easy to think, ‘I’m not ready,’ or ‘Someone else will ask the question,’” she said. “But speak up. Every role I’ve taken on felt like a leap, but I embraced it and each time I’ve learned and grown.” 

She has also learned the value of self-awareness. “It’s scary to ask for feedback, but it’s the best way to identify growth opportunities,” she said. “The next generation will build on today’s work. That’s why we must capture lessons learned and share them. It’s vital to safe and successful operations.” 

Heather Cowardin, fifth from left, stands with fellow NASA delegates at the 2024 Inter-Agency Space Debris Coordination Committee meeting hosted by the Indian Space Research Organisation in Bengaluru, India. The U.S. delegation included representatives from NASA, the Department of Defense, the Federal Aviation Administration, and the Federal Communications Commission.

To the Artemis Generation, she hopes to pass on a sense of purpose. 

“Commitment to a mission leads to success,” she said. “Even if your contributions aren’t immediately visible, they matter. What we do at NASA takes new thinking, new skills, and hard work—but I believe the next generation will raise the bar and lead us beyond low Earth orbit.” 

When she is not watching over orbital debris, she is lacing up her running shoes. 

“I’ve completed five half-marathons and I’m training for the 2026 Rock ‘n’ Roll half-marathon in Nashville,” she said. “Running helps me decompress—and yes, I often role-play technical briefings or prep conference talks while I’m out on a jog. Makes for interesting moments when I pass people in the neighborhood!” 

About the AuthorSumer Loggins

Share Details Last Updated Jun 23, 2025 LocationJohnson Space Center Related Terms Explore More 5 min read Johnson’s Jason Foster Recognized for New Technology Reporting Record Article 1 week ago 3 min read NASA Engineers Simulate Lunar Lighting for Artemis III Moon Landing Article 7 days ago 5 min read Driven by a Dream: Farah Al Fulfulee’s Quest to Reach the Stars Article 1 week ago Keep Exploring Discover More Topics From NASA

Missions

Humans in Space

Climate Change

Solar System

Categories: NASA

<p><a href="https://apod.nasa.gov/apod

APOD - Sun, 06/22/2025 - 8:00pm


Categories: Astronomy, NASA

<p><a href="https://apod.nasa.gov/apod

APOD - Sat, 06/21/2025 - 4:00pm

How different does sunset appear from Mars than from Earth?


Categories: Astronomy, NASA

Curiosity Blog, Sols 4577-4579: Watch the Skies

NASA - Breaking News - Fri, 06/20/2025 - 10:29pm
Curiosity Navigation

4 min read

Curiosity Blog, Sols 4577-4579: Watch the Skies NASA’s Mars rover Curiosity acquired this image inside a trough in the boxwork terrain on Mars, using its Right Navigation Camera. Curiosity captured the image on June 20, 2025 — Sol 4575, or Martian day 4,575 of the Mars Science Laboratory mission — at 00:30:12 UTC. NASA/JPL-Caltech

Written by Deborah Padgett, OPGS Task Lead at NASA’s Jet Propulsion Laboratory

Earth planning date: Friday, June 20, 2025

During the plan covering Sols 4575-4576, Curiosity continued our investigation of mysterious boxwork structures on the shoulders of Mount Sharp. After a successful 56-meter drive (about 184 feet), Curiosity is now parked in a trough cutting through a highly fractured region covered by linear features thought to be evidence of groundwater flow in the distant past of Mars. With all six wheels firmly planted on solid ground, our rover is ready for contact science! Unfortunately, a repeat of the frost-detection experiment expected for the weekend plan is postponed for a few days due to a well-understood ChemCam issue. In the meantime, our atmospheric investigations have a chance to shine, as they received additional time to observe the Martian sky.

In the early afternoon of Sol 4577, Curiosity’s navigation cameras will take a movie of the upper reaches of Aeolis Mons (Mount Sharp), hoping to see moving cloud shadows. This observation enables the team to calculate the altitude of clouds drifting over the peak. Next, Navcam will point straight up, to image cloud motion at the zenith and determine wind direction at their altitude. Mastcam will then do a series of small mosaics to study the rover workspace and features of the trough that Curiosity has entered. First is a 6×4 stereo mosaic of the workspace and the contact science targets “Copacabana” and “Copiapo.” The first target is a representative sample of the trough bedrock, and its name celebrates a town in Bolivia located on the shores of Lake Titicaca. The second target is a section of lighter-toned material, which may be associated with stripes or “veins” filling the many crosscutting fractures in the local stones. These are the deposits potentially left by groundwater intrusion long ago. The name “Copiapo” honors a silver mining city in the extremely dry Atacama desert of northern Chile. A second 6×3 Mastcam stereo mosaic will look at active cracks in the trough. Two additional 5×1 Mastcam stereo mosaics target “Ardamarca,” a ridge parallel to the trough walls, and a cliff exposing layers of rock at the base of “Mishe Mokwa” butte. At our current location, all the Curiosity target names are taken from the Uyuni geologic quadrangle named after the otherworldly lake bed and ephemeral lake high on the Bolivian altiplano, but the Mishe Mokwa butte is back in the Altadena quad, named for a popular hiking trail in the Santa Monica Mountains. After this lengthy science block, Curiosity will deploy its arm, brush the dust from Copacabana with the DRT, then image both it and Copiapo with the MAHLI microscopic imager. Overnight, APXS will determine the composition of these two targets. 

Early in the morning of Sol 4578, Mastcam will take large 27×5 and 18×3 stereo mosaics of different parts of the trough, using morning light to highlight the terrain shadows. Later in the day, Navcam will do a 360 sky survey, determining phase function across the entire sky. A 25-meter drive (about 82 feet) will follow, and the post-drive imaging includes both a 360-degree Navcam panorama of our new location and an image of the ground under the rover with MARDI in the evening twilight. The next sol is all atmospheric science, with an extensive set of afternoon suprahorizon movies and a dust-devil survey for Navcam, as well as a Mastcam dust opacity observation. The final set of observations in this plan happens on the morning of Sol 4580 with more Navcam suprahorizon and zenith movies to observe clouds, a Navcam dust opacity measurement across Gale Crater, and a last Mastcam tau. On Monday, we expect to plan another drive and hope to return to the frost-detection experiment soon as we explore the boxwork canyons of Mars.


For more Curiosity blog posts, visit MSL Mission Updates


Learn more about Curiosity’s science instruments

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Last Updated

Jun 20, 2025

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Categories: NASA

Curiosity Blog, Sols 4577-4579: Watch the Skies

NASA News - Fri, 06/20/2025 - 10:29pm
Curiosity Navigation

4 min read

Curiosity Blog, Sols 4577-4579: Watch the Skies NASA’s Mars rover Curiosity acquired this image inside a trough in the boxwork terrain on Mars, using its Right Navigation Camera. Curiosity captured the image on June 20, 2025 — Sol 4575, or Martian day 4,575 of the Mars Science Laboratory mission — at 00:30:12 UTC. NASA/JPL-Caltech

Written by Deborah Padgett, OPGS Task Lead at NASA’s Jet Propulsion Laboratory

Earth planning date: Friday, June 20, 2025

During the plan covering Sols 4575-4576, Curiosity continued our investigation of mysterious boxwork structures on the shoulders of Mount Sharp. After a successful 56-meter drive (about 184 feet), Curiosity is now parked in a trough cutting through a highly fractured region covered by linear features thought to be evidence of groundwater flow in the distant past of Mars. With all six wheels firmly planted on solid ground, our rover is ready for contact science! Unfortunately, a repeat of the frost-detection experiment expected for the weekend plan is postponed for a few days due to a well-understood ChemCam issue. In the meantime, our atmospheric investigations have a chance to shine, as they received additional time to observe the Martian sky.

In the early afternoon of Sol 4577, Curiosity’s navigation cameras will take a movie of the upper reaches of Aeolis Mons (Mount Sharp), hoping to see moving cloud shadows. This observation enables the team to calculate the altitude of clouds drifting over the peak. Next, Navcam will point straight up, to image cloud motion at the zenith and determine wind direction at their altitude. Mastcam will then do a series of small mosaics to study the rover workspace and features of the trough that Curiosity has entered. First is a 6×4 stereo mosaic of the workspace and the contact science targets “Copacabana” and “Copiapo.” The first target is a representative sample of the trough bedrock, and its name celebrates a town in Bolivia located on the shores of Lake Titicaca. The second target is a section of lighter-toned material, which may be associated with stripes or “veins” filling the many crosscutting fractures in the local stones. These are the deposits potentially left by groundwater intrusion long ago. The name “Copiapo” honors a silver mining city in the extremely dry Atacama desert of northern Chile. A second 6×3 Mastcam stereo mosaic will look at active cracks in the trough. Two additional 5×1 Mastcam stereo mosaics target “Ardamarca,” a ridge parallel to the trough walls, and a cliff exposing layers of rock at the base of “Mishe Mokwa” butte. At our current location, all the Curiosity target names are taken from the Uyuni geologic quadrangle named after the otherworldly lake bed and ephemeral lake high on the Bolivian altiplano, but the Mishe Mokwa butte is back in the Altadena quad, named for a popular hiking trail in the Santa Monica Mountains. After this lengthy science block, Curiosity will deploy its arm, brush the dust from Copacabana with the DRT, then image both it and Copiapo with the MAHLI microscopic imager. Overnight, APXS will determine the composition of these two targets. 

Early in the morning of Sol 4578, Mastcam will take large 27×5 and 18×3 stereo mosaics of different parts of the trough, using morning light to highlight the terrain shadows. Later in the day, Navcam will do a 360 sky survey, determining phase function across the entire sky. A 25-meter drive (about 82 feet) will follow, and the post-drive imaging includes both a 360-degree Navcam panorama of our new location and an image of the ground under the rover with MARDI in the evening twilight. The next sol is all atmospheric science, with an extensive set of afternoon suprahorizon movies and a dust-devil survey for Navcam, as well as a Mastcam dust opacity observation. The final set of observations in this plan happens on the morning of Sol 4580 with more Navcam suprahorizon and zenith movies to observe clouds, a Navcam dust opacity measurement across Gale Crater, and a last Mastcam tau. On Monday, we expect to plan another drive and hope to return to the frost-detection experiment soon as we explore the boxwork canyons of Mars.


For more Curiosity blog posts, visit MSL Mission Updates


Learn more about Curiosity’s science instruments

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Jun 20, 2025

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Curiosity Blog, Sols 4575-4576: Perfect Parking Spot

NASA - Breaking News - Fri, 06/20/2025 - 6:25pm
Curiosity Navigation

2 min read

Curiosity Blog, Sols 4575-4576: Perfect Parking Spot NASA’s Mars rover Curiosity acquired this image of interesting textures exposed in an outcrop at the base of the “Mishe Mokwa” butte, ahead of the rover, using its Chemistry & Camera (ChemCam) Remote Micro Imager (RMI). Curiosity captured the image on June 13, 2025 — Sol 4569, or Martian day 4,569 of the Mars Science Laboratory mission — at 17:53:55 UTC. NASA/JPL-Caltech/LANL

Written by Lucy Thompson, APXS Collaborator and Senior Research Scientist at the University of New Brunswick

Earth planning date: Wednesday, June 18,  2025

Not only did our drive execute perfectly, Curiosity ended up in one of the safest, most stable parking spots of the whole mission. We often come into the start of planning hoping that all the wheels are safely on the ground, but the terrain on Mars is not always very cooperative. As the APXS strategic planner I was really hoping that the rover was stable enough to unstow the arm and place APXS on a rock — which it was! We are acquiring APXS and ChemCam compositional analyses and accompanying Mastcam and MAHLI imaging of a brushed, flat, typical bedrock target, “Tarija.” This allows us to track the chemistry of the bedrock that hosts the potential boxwork features that we are driving towards. 

As well as composition, we continue to image the terrain around us to better understand the local and regional context. Mastcam will acquire mosaics of some linear ridges off to the north of our current location, as well as of a potential fracture fill just out in front of our current parking spot, “Laguna del Bayo.” ChemCam will image part of an interesting outcrop (“Mishe Mokwa”) that we have already observed (see the image associated with this blog).

Thanks to the relatively benign terrain, the engineers have planned a 54-meter drive (about 177 feet) to our next location. After that drive (hopefully) executes successfully, we have a series of untargeted science observations. MARDI will image the terrain beneath the wheels and ChemCam will pick a rock target autonomously from our new workspace and analyze its chemistry. 

To track atmospheric and environmental fluctuations, we are acquiring a Mastcam tau to measure dust in the sky as well as a Navcam large dust-devil survey and suprahorizon movie. The plan is rounded, as always, with standard DAN, REMS, and RAD activities.


For more Curiosity blog posts, visit MSL Mission Updates


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Curiosity Blog, Sols 4575-4576: Perfect Parking Spot

NASA News - Fri, 06/20/2025 - 6:25pm
Curiosity Navigation

2 min read

Curiosity Blog, Sols 4575-4576: Perfect Parking Spot NASA’s Mars rover Curiosity acquired this image of interesting textures exposed in an outcrop at the base of the “Mishe Mokwa” butte, ahead of the rover, using its Chemistry & Camera (ChemCam) Remote Micro Imager (RMI). Curiosity captured the image on June 13, 2025 — Sol 4569, or Martian day 4,569 of the Mars Science Laboratory mission — at 17:53:55 UTC. NASA/JPL-Caltech/LANL

Written by Lucy Thompson, APXS Collaborator and Senior Research Scientist at the University of New Brunswick

Earth planning date: Wednesday, June 18,  2025

Not only did our drive execute perfectly, Curiosity ended up in one of the safest, most stable parking spots of the whole mission. We often come into the start of planning hoping that all the wheels are safely on the ground, but the terrain on Mars is not always very cooperative. As the APXS strategic planner I was really hoping that the rover was stable enough to unstow the arm and place APXS on a rock — which it was! We are acquiring APXS and ChemCam compositional analyses and accompanying Mastcam and MAHLI imaging of a brushed, flat, typical bedrock target, “Tarija.” This allows us to track the chemistry of the bedrock that hosts the potential boxwork features that we are driving towards. 

As well as composition, we continue to image the terrain around us to better understand the local and regional context. Mastcam will acquire mosaics of some linear ridges off to the north of our current location, as well as of a potential fracture fill just out in front of our current parking spot, “Laguna del Bayo.” ChemCam will image part of an interesting outcrop (“Mishe Mokwa”) that we have already observed (see the image associated with this blog).

Thanks to the relatively benign terrain, the engineers have planned a 54-meter drive (about 177 feet) to our next location. After that drive (hopefully) executes successfully, we have a series of untargeted science observations. MARDI will image the terrain beneath the wheels and ChemCam will pick a rock target autonomously from our new workspace and analyze its chemistry. 

To track atmospheric and environmental fluctuations, we are acquiring a Mastcam tau to measure dust in the sky as well as a Navcam large dust-devil survey and suprahorizon movie. The plan is rounded, as always, with standard DAN, REMS, and RAD activities.


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NASA Tech to Use Moonlight to Enhance Measurements from Space

NASA - Breaking News - Fri, 06/20/2025 - 5:37pm
4 Min Read NASA Tech to Use Moonlight to Enhance Measurements from Space NASA's Arcstone instrument will be the first mission exclusively dedicated to measuring moonlight, or lunar reflectance, from space as a way to calibrate and improve science data collected by Earth-viewing, in-orbit instruments.  Credits: Blue Canyon Technologies

NASA will soon launch a one-of-a-kind instrument, called Arcstone, to improve the quality of data from Earth-viewing sensors in orbit. In this technology demonstration, the mission will measure sunlight reflected from the Moon— a technique called lunar calibration. Such measurements of lunar spectral reflectance can ultimately be used to set a high-accuracy, universal standard for use across the international scientific community and commercial space industry.  

To ensure satellite and airborne sensors are working properly, researchers calibrate them by comparing the sensor measurements against a known standard measurement. Arcstone will be the first mission exclusively dedicated to measuring lunar reflectance from space as a way to calibrate and improve science data collected by Earth-viewing, in-orbit instruments. 

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video

This visualization demonstrates how Arcstone will operate while in orbit measuring lunar reflectance to establish a new calibration standard for future Earth-observing remote sensors. Arcstone’s satellite platform was manufactured by Blue Canyon Technologies. NASA/Tim Marvel/Blue Canyon Technologies

“One of the most challenging tasks in remote sensing from space is achieving required instrument calibration accuracy on-orbit,” said Constantine Lukashin, principal investigator for the Arcstone mission and physical scientist at NASA’s Langley Research Center in Hampton, Virginia. “The Moon is an excellent and available calibration source beyond Earth’s atmosphere. The light reflected off the Moon is extremely stable and measurable at a very high level of detail. Arcstone’s goal is to improve the accuracy of lunar calibration to increase the quality of spaceborne remote sensing data products for generations to come.” 

Across its planned six-month mission, Arcstone will use a spectrometer — a scientific instrument that measures and analyzes light by separating it into its constituent wavelengths, or spectrum — to measure lunar spectral reflectance. Expected to launch in late June as a rideshare on a small CubeSat, Arcstone will begin collecting data, a milestone called first light, approximately three weeks after reaching orbit. 

“The mission demonstrates a new, more cost-efficient instrument design, hardware performance, operations, and data processing to achieve high-accuracy reference measurements of lunar spectral reflectance,” said Lukashin.  

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video

Measuring the lunar reflectance at the necessary ranges of lunar phase angles and librations is required to build a highly accurate lunar reference. A satellite platform in space would provide this required sampling. Arcstone will use a spectrometer to demonstrate the ability to observe and establish a data record of lunar spectral reflectance throughout its librations and phases for other instruments to use the Moon to calibrate sensors.NASA/Scientific Visualization Studio

Measurements of lunar reflectance taken from Earth’s surface can be affected by interference from the atmosphere, which can complicate calibration efforts. Researchers already use the Sun and Moon to calibrate spaceborne instruments, but not at a level of precision and agreement that could come from having a universal standard.   

Lukashin and colleagues want to increase calibration accuracy by getting above the atmosphere to measure reflected solar wavelengths in a way that provides a stable and universal calibration source. Another recent NASA mission, called the Airborne Lunar Spectral Irradiance mission also used sensors mounted on high-altitude aircraft to improve lunar irradiance measurements from planes. 

There is not an internationally accepted standard (SI-traceable) calibration for lunar reflectance from space across the scientific community or the commercial space industry. 

“Dedicated radiometric characterization measurements of the Moon have never been acquired from a space-based platform,” said Thomas Stone, co-investigator for Arcstone and scientist at the U.S. Geological Survey (USGS). “A high-accuracy, SI-traceable lunar calibration system enables several important capabilities for space-based Earth observing missions such as calibrating datasets against a common reference – the Moon, calibrating sensors on-orbit, and the ability to bridge gaps in past datasets.” 

The Arcstone spacecraft with solar panels installed as it is tested before being integrated for launch. Blue Canyon Technologies

If the initial Arcstone technology demonstration is successful, a longer Arcstone mission could allow scientists to make the Moon the preferred reference standard for many other satellites. The new calibration standard could also be applied retroactively to previous Earth data records to improve their accuracy or fill in data gaps for data fields. It could also improve high-precision sensor performance on-orbit, which is critical for calibrating instruments that may be sensitive to degradation or hardware breakdown over time in space. 

“Earth observations from space play a critical role in monitoring the environmental health of our planet,” said Stone. “Lunar calibration is a robust and cost-effective way to achieve high accuracy and inter-consistency of Earth observation datasets, enabling more accurate assessments of Earth’s current state and more reliable predictions of future trends.” 
 

The Arcstone technology demonstration project is funded by NASA’s Earth Science Technology Office’s In-space Validation of Earth Science Technologies. Arcstone is led by NASA’s Langley Research Center in partnership with Colorado University Boulder’s Laboratory for Atmospheric and Space Physics, USGS,  NASA Goddard Space Flight Center in Greenbelt, Maryland, Resonon Inc., Blue Canyon Technologies, and Quartus Engineering.  

For more information on NASA’s Arcstone mission visit: 

https://science.larc.nasa.gov/arcstone/about/

About the AuthorCharles G. HatfieldScience Public Affairs Officer, NASA Langley Research Center

Share Details Last Updated Jun 20, 2025 LocationNASA Langley Research Center Related Terms Explore More 3 min read NASA Measures Moonlight to Improve Earth Observations Article 2 months ago Keep Exploring Discover More Topics From NASA

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NASA Tech to Use Moonlight to Enhance Measurements from Space

NASA News - Fri, 06/20/2025 - 5:37pm
4 Min Read NASA Tech to Use Moonlight to Enhance Measurements from Space NASA's Arcstone instrument will be the first mission exclusively dedicated to measuring moonlight, or lunar reflectance, from space as a way to calibrate and improve science data collected by Earth-viewing, in-orbit instruments.  Credits: Blue Canyon Technologies

NASA will soon launch a one-of-a-kind instrument, called Arcstone, to improve the quality of data from Earth-viewing sensors in orbit. In this technology demonstration, the mission will measure sunlight reflected from the Moon— a technique called lunar calibration. Such measurements of lunar spectral reflectance can ultimately be used to set a high-accuracy, universal standard for use across the international scientific community and commercial space industry.  

To ensure satellite and airborne sensors are working properly, researchers calibrate them by comparing the sensor measurements against a known standard measurement. Arcstone will be the first mission exclusively dedicated to measuring lunar reflectance from space as a way to calibrate and improve science data collected by Earth-viewing, in-orbit instruments. 

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video

This visualization demonstrates how Arcstone will operate while in orbit measuring lunar reflectance to establish a new calibration standard for future Earth-observing remote sensors. Arcstone’s satellite platform was manufactured by Blue Canyon Technologies. NASA/Tim Marvel/Blue Canyon Technologies

“One of the most challenging tasks in remote sensing from space is achieving required instrument calibration accuracy on-orbit,” said Constantine Lukashin, principal investigator for the Arcstone mission and physical scientist at NASA’s Langley Research Center in Hampton, Virginia. “The Moon is an excellent and available calibration source beyond Earth’s atmosphere. The light reflected off the Moon is extremely stable and measurable at a very high level of detail. Arcstone’s goal is to improve the accuracy of lunar calibration to increase the quality of spaceborne remote sensing data products for generations to come.” 

Across its planned six-month mission, Arcstone will use a spectrometer — a scientific instrument that measures and analyzes light by separating it into its constituent wavelengths, or spectrum — to measure lunar spectral reflectance. Expected to launch in late June as a rideshare on a small CubeSat, Arcstone will begin collecting data, a milestone called first light, approximately three weeks after reaching orbit. 

“The mission demonstrates a new, more cost-efficient instrument design, hardware performance, operations, and data processing to achieve high-accuracy reference measurements of lunar spectral reflectance,” said Lukashin.  

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video

Measuring the lunar reflectance at the necessary ranges of lunar phase angles and librations is required to build a highly accurate lunar reference. A satellite platform in space would provide this required sampling. Arcstone will use a spectrometer to demonstrate the ability to observe and establish a data record of lunar spectral reflectance throughout its librations and phases for other instruments to use the Moon to calibrate sensors.NASA/Scientific Visualization Studio

Measurements of lunar reflectance taken from Earth’s surface can be affected by interference from the atmosphere, which can complicate calibration efforts. Researchers already use the Sun and Moon to calibrate spaceborne instruments, but not at a level of precision and agreement that could come from having a universal standard.   

Lukashin and colleagues want to increase calibration accuracy by getting above the atmosphere to measure reflected solar wavelengths in a way that provides a stable and universal calibration source. Another recent NASA mission, called the Airborne Lunar Spectral Irradiance mission also used sensors mounted on high-altitude aircraft to improve lunar irradiance measurements from planes. 

There is not an internationally accepted standard (SI-traceable) calibration for lunar reflectance from space across the scientific community or the commercial space industry. 

“Dedicated radiometric characterization measurements of the Moon have never been acquired from a space-based platform,” said Thomas Stone, co-investigator for Arcstone and scientist at the U.S. Geological Survey (USGS). “A high-accuracy, SI-traceable lunar calibration system enables several important capabilities for space-based Earth observing missions such as calibrating datasets against a common reference – the Moon, calibrating sensors on-orbit, and the ability to bridge gaps in past datasets.” 

The Arcstone spacecraft with solar panels installed as it is tested before being integrated for launch. Blue Canyon Technologies

If the initial Arcstone technology demonstration is successful, a longer Arcstone mission could allow scientists to make the Moon the preferred reference standard for many other satellites. The new calibration standard could also be applied retroactively to previous Earth data records to improve their accuracy or fill in data gaps for data fields. It could also improve high-precision sensor performance on-orbit, which is critical for calibrating instruments that may be sensitive to degradation or hardware breakdown over time in space. 

“Earth observations from space play a critical role in monitoring the environmental health of our planet,” said Stone. “Lunar calibration is a robust and cost-effective way to achieve high accuracy and inter-consistency of Earth observation datasets, enabling more accurate assessments of Earth’s current state and more reliable predictions of future trends.” 
 

The Arcstone technology demonstration project is funded by NASA’s Earth Science Technology Office’s In-space Validation of Earth Science Technologies. Arcstone is led by NASA’s Langley Research Center in partnership with Colorado University Boulder’s Laboratory for Atmospheric and Space Physics, USGS,  NASA Goddard Space Flight Center in Greenbelt, Maryland, Resonon Inc., Blue Canyon Technologies, and Quartus Engineering.  

For more information on NASA’s Arcstone mission visit: 

https://science.larc.nasa.gov/arcstone/about/

About the AuthorCharles G. HatfieldScience Public Affairs Officer, NASA Langley Research Center

Share Details Last Updated Jun 20, 2025 LocationNASA Langley Research Center Related Terms Explore More 3 min read NASA Measures Moonlight to Improve Earth Observations Article 2 months ago Keep Exploring Discover More Topics From NASA

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NASA’s LRO Views ispace HAKUTO-R Mission 2 Moon Lander Impact Site

NASA - Breaking News - Fri, 06/20/2025 - 1:10pm

On June 11, NASA’s LRO (Lunar Reconnaissance Orbiter) captured photos of the site where the ispace Mission 2 SMBC x HAKUTO-R Venture Moon (RESILIENCE) lunar lander experienced a hard landing on June 5, 2025, UTC.

RESILIENCE lunar lander impact site, as seen by NASA’s Lunar Reconnaissance Orbiter Camera (LROC) on June 11, 2025. The lander created a dark smudge surrounded by a subtle bright halo.Credit: NASA/Goddard/Arizona State University.

RESILIENCE was launched on Jan. 15 on a privately funded spacecraft.

LRO’s right Narrow Angle Camera (one in a suite of cameras known as LROC) captured the images featured here from about 50 miles above the surface of Mare Frigoris, a volcanic region interspersed with large-scale faults known as wrinkle ridges.

The dark smudge visible above the arrow in the photo formed as the vehicle impacted the surface, kicking up regolith — the rock and dust that make up Moon “soil.” The faint bright halo encircling the site resulted from low-angle regolith particles scouring the delicate surface.

This animation shows the RESILIENCE site before and after the impact. In the image, north is up. Looking from west to east, or left to right, the area pictured covers 2 miles.Credit: NASA/Goddard/Arizona State University. 

LRO is managed by NASA’s Goddard Space Flight Center in Greenbelt, Maryland, for the Science Mission Directorate at NASA Headquarters in Washington. Launched on June 18, 2009, LRO has collected a treasure trove of data with its seven powerful instruments, making an invaluable contribution to our knowledge about the Moon. NASA is returning to the Moon with commercial and international partners to expand human presence in space and bring back new knowledge and opportunities.

More on this story from Arizona State University’s LRO Camera website

Media Contact
Karen Fox / Molly Wasser
Headquarters, Washington
202-358-1600
karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov

Lonnie Shekhtman
NASA’s Goddard Space Flight Center, Greenbelt, Md.
lonnie.shekhtman@nasa.gov

Share Details Last Updated Jun 20, 2025 EditorMadison OlsonContactMolly Wassermolly.l.wasser@nasa.govLocationGoddard Space Flight Center Related Terms
Categories: NASA

NASA’s LRO Views ispace HAKUTO-R Mission 2 Moon Lander Impact Site

NASA News - Fri, 06/20/2025 - 1:10pm

On June 11, NASA’s LRO (Lunar Reconnaissance Orbiter) captured photos of the site where the ispace Mission 2 SMBC x HAKUTO-R Venture Moon (RESILIENCE) lunar lander experienced a hard landing on June 5, 2025, UTC.

RESILIENCE lunar lander impact site, as seen by NASA’s Lunar Reconnaissance Orbiter Camera (LROC) on June 11, 2025. The lander created a dark smudge surrounded by a subtle bright halo.Credit: NASA/Goddard/Arizona State University.

RESILIENCE was launched on Jan. 15 on a privately funded spacecraft.

LRO’s right Narrow Angle Camera (one in a suite of cameras known as LROC) captured the images featured here from about 50 miles above the surface of Mare Frigoris, a volcanic region interspersed with large-scale faults known as wrinkle ridges.

The dark smudge visible above the arrow in the photo formed as the vehicle impacted the surface, kicking up regolith — the rock and dust that make up Moon “soil.” The faint bright halo encircling the site resulted from low-angle regolith particles scouring the delicate surface.

This animation shows the RESILIENCE site before and after the impact. In the image, north is up. Looking from west to east, or left to right, the area pictured covers 2 miles.Credit: NASA/Goddard/Arizona State University. 

LRO is managed by NASA’s Goddard Space Flight Center in Greenbelt, Maryland, for the Science Mission Directorate at NASA Headquarters in Washington. Launched on June 18, 2009, LRO has collected a treasure trove of data with its seven powerful instruments, making an invaluable contribution to our knowledge about the Moon. NASA is returning to the Moon with commercial and international partners to expand human presence in space and bring back new knowledge and opportunities.

More on this story from Arizona State University’s LRO Camera website

Media Contact
Karen Fox / Molly Wasser
Headquarters, Washington
202-358-1600
karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov

Lonnie Shekhtman
NASA’s Goddard Space Flight Center, Greenbelt, Md.
lonnie.shekhtman@nasa.gov

Share Details Last Updated Jun 23, 2025 EditorMadison OlsonContactMolly Wassermolly.l.wasser@nasa.govLocationGoddard Space Flight Center Related Terms
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NASA Air Taxi Passenger Comfort Studies Move Forward

NASA - Breaking News - Fri, 06/20/2025 - 12:22pm

3 min read

Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA employee Naomi Torres sits inside the air taxi passenger ride quality simulator at NASA’s Armstrong Flight Research Center in Edwards, California, as the simulator moves during a study on Oct. 23, 2024. Research continues to better understand how humans may interact with these new types of aircraft.NASA/Steve Freeman

NASA’s Advanced Air Mobility vision involves the skies above the U.S. filled with new types of aircraft, including air taxis. But making that vision a reality involves ensuring that people will actually want to ride these aircraft – which is why NASA has been working to evaluate comfort, to see what passengers will and won’t tolerate. 

NASA is conducting a series of studies to understand how air taxi motion, vibration, and other factors affect ride comfort. The agency will provide the data it gathers to industry and others to guide the design and operational practices for future air taxis. 

“The results of this study can guide air taxi companies to design aircraft that take off, land, and respond to winds and gusts in a way that is comfortable for the passengers,” said Curt Hanson, senior flight controls researcher for this project based at NASA’s Armstrong Flight Research Center in Edwards, California. “Passengers who enjoy their experience in an air taxi are more likely to become repeat riders, which will help the industry grow.” 

The air taxi comfort research team uses NASA Armstrong’s Ride Quality Laboratory as well as the Human Vibration Lab and Vertical Motion Simulator at NASA’s Ames Research Center in California’s Silicon Valley to study passenger response to ride quality, as well as how easily and precisely a pilot can control and maneuver aircraft. 

After pilots checked out the simulator setup, the research team conducted a study in October where NASA employees volunteered to participate as passengers to experience the virtual air taxi flights and then describe their comfort level to the researchers.  

Curt Hanson, senior flight controls researcher for the Revolutionary Vertical Lift Technology project based at NASA’s Armstrong Flight Research Center in Edwards, California, explains the study about to begin to NASA employee and test subject Naomi Torres on Oct. 23, 2024. Behind them is the air taxi passenger ride quality simulator in NASA Armstrong’s Ride Quality Laboratory. Studies continue to better understand passenger comfort for future air taxi rides.NASA/Steve Freeman

Using this testing, the team produced an initial study that found a relationship between levels of sudden vertical motion and passenger discomfort. More data collection is needed to understand the combined effect of motion, vibration, and other factors on passenger comfort. 

“In the Vertical Motion Simulator, we can investigate how technology and aircraft design choices affect the handling qualities of the aircraft, generate data as pilots maneuver the air taxi models under realistic conditions, and then use this to further investigate passenger comfort in the Ride Quality and Human Vibration Labs,” said Carlos Malpica, senior rotorcraft flight dynamics researcher for this effort based at NASA Ames. 

This work is managed by the Revolutionary Vertical Lift Technology project under NASA’s Advanced Air Vehicles Program in support of NASA’s Advanced Air Mobility mission, which seeks to deliver data to guide the industry’s development of electric air taxis and drones. 

Share Details Last Updated Jun 20, 2025 EditorDede DiniusContactTeresa Whitingteresa.whiting@nasa.govLocationArmstrong Flight Research Center Related Terms Explore More 2 min read NASA Aircraft to Make Low-Altitude Flights in Mid-Atlantic, California Article 1 day ago 4 min read NASA to Gather In-Flight Imagery of Commercial Test Capsule Re-Entry Article 3 days ago 4 min read NASA Tech to Measure Heat, Strain in Hypersonic Flight Article 3 days ago Keep Exploring Discover More Topics From NASA

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NASA Air Taxi Passenger Comfort Studies Move Forward

NASA News - Fri, 06/20/2025 - 12:22pm

3 min read

Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA employee Naomi Torres sits inside the air taxi passenger ride quality simulator at NASA’s Armstrong Flight Research Center in Edwards, California, as the simulator moves during a study on Oct. 23, 2024. Research continues to better understand how humans may interact with these new types of aircraft.NASA/Steve Freeman

NASA’s Advanced Air Mobility vision involves the skies above the U.S. filled with new types of aircraft, including air taxis. But making that vision a reality involves ensuring that people will actually want to ride these aircraft – which is why NASA has been working to evaluate comfort, to see what passengers will and won’t tolerate. 

NASA is conducting a series of studies to understand how air taxi motion, vibration, and other factors affect ride comfort. The agency will provide the data it gathers to industry and others to guide the design and operational practices for future air taxis. 

“The results of this study can guide air taxi companies to design aircraft that take off, land, and respond to winds and gusts in a way that is comfortable for the passengers,” said Curt Hanson, senior flight controls researcher for this project based at NASA’s Armstrong Flight Research Center in Edwards, California. “Passengers who enjoy their experience in an air taxi are more likely to become repeat riders, which will help the industry grow.” 

The air taxi comfort research team uses NASA Armstrong’s Ride Quality Laboratory as well as the Human Vibration Lab and Vertical Motion Simulator at NASA’s Ames Research Center in California’s Silicon Valley to study passenger response to ride quality, as well as how easily and precisely a pilot can control and maneuver aircraft. 

After pilots checked out the simulator setup, the research team conducted a study in October where NASA employees volunteered to participate as passengers to experience the virtual air taxi flights and then describe their comfort level to the researchers.  

Curt Hanson, senior flight controls researcher for the Revolutionary Vertical Lift Technology project based at NASA’s Armstrong Flight Research Center in Edwards, California, explains the study about to begin to NASA employee and test subject Naomi Torres on Oct. 23, 2024. Behind them is the air taxi passenger ride quality simulator in NASA Armstrong’s Ride Quality Laboratory. Studies continue to better understand passenger comfort for future air taxi rides.NASA/Steve Freeman

Using this testing, the team produced an initial study that found a relationship between levels of sudden vertical motion and passenger discomfort. More data collection is needed to understand the combined effect of motion, vibration, and other factors on passenger comfort. 

“In the Vertical Motion Simulator, we can investigate how technology and aircraft design choices affect the handling qualities of the aircraft, generate data as pilots maneuver the air taxi models under realistic conditions, and then use this to further investigate passenger comfort in the Ride Quality and Human Vibration Labs,” said Carlos Malpica, senior rotorcraft flight dynamics researcher for this effort based at NASA Ames. 

This work is managed by the Revolutionary Vertical Lift Technology project under NASA’s Advanced Air Vehicles Program in support of NASA’s Advanced Air Mobility mission, which seeks to deliver data to guide the industry’s development of electric air taxis and drones. 

Share Details Last Updated Jun 20, 2025 EditorDede DiniusContactTeresa Whitingteresa.whiting@nasa.govLocationArmstrong Flight Research Center Related Terms Explore More 2 min read NASA Aircraft to Make Low-Altitude Flights in Mid-Atlantic, California Article 3 days ago 4 min read NASA to Gather In-Flight Imagery of Commercial Test Capsule Re-Entry Article 5 days ago 4 min read NASA Tech to Measure Heat, Strain in Hypersonic Flight Article 5 days ago Keep Exploring Discover More Topics From NASA

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Summer Begins in Northern Hemisphere

NASA Image of the Day - Fri, 06/20/2025 - 12:18pm
This full-disk image from NOAA’s GOES-13 satellite shows the Americas at the start of astronomical summer in the Northern Hemisphere on June 21, 2012.
Categories: Astronomy, NASA

Summer Begins in Northern Hemisphere

NASA - Breaking News - Fri, 06/20/2025 - 12:17pm
This full-disk image from NOAA’s GOES-13 satellite shows the Americas at the start of astronomical summer in the Northern Hemisphere on June 21, 2012.NASA

This full-disk image from NOAA’s GOES-13 satellite was captured at 7:45 a.m. EDT (11:45 UTC) and shows the Americas on June 21, 2012, the start of astronomical summer – in the Northern Hemisphere – that year.

The first day of summer in 2025 is June 20; it is also the longest day of the year. In the Southern Hemisphere, it’s the shortest day of the year and the beginning of winter.

Earth orbits at an angle, so the Northern Hemisphere is tilted toward the Sun half of the year — this is summer in the Northern Hemisphere, and winter in the Southern Hemisphere. The other half of the year, the Northern Hemisphere is tilted away from the Sun, creating winter in the north and summer in the south. Solstices happen twice per year, at the points in Earth’s orbit where this tilt is most pronounced.

Image credit: NASA

Categories: NASA

Summer Begins in Northern Hemisphere

NASA News - Fri, 06/20/2025 - 12:17pm
This full-disk image from NOAA’s GOES-13 satellite shows the Americas at the start of astronomical summer in the Northern Hemisphere on June 21, 2012.NASA

This full-disk image from NOAA’s GOES-13 satellite was captured at 7:45 a.m. EDT (11:45 UTC) and shows the Americas on June 21, 2012, the start of astronomical summer – in the Northern Hemisphere – that year.

The first day of summer in 2025 is June 20; it is also the longest day of the year. In the Southern Hemisphere, it’s the shortest day of the year and the beginning of winter.

Earth orbits at an angle, so the Northern Hemisphere is tilted toward the Sun half of the year — this is summer in the Northern Hemisphere, and winter in the Southern Hemisphere. The other half of the year, the Northern Hemisphere is tilted away from the Sun, creating winter in the north and summer in the south. Solstices happen twice per year, at the points in Earth’s orbit where this tilt is most pronounced.

Image credit: NASA

Categories: NASA

<p><a href="https://apod.nasa.gov/apod

APOD - Fri, 06/20/2025 - 12:00pm

What are all those streaks in the sky?


Categories: Astronomy, NASA