NASA
Central Brazil Cerrado
Central Brazil Cerrado
On May 19, 2025, Landsat 9 captured this image of the Serra de Caldas in the state of Goiás, Brazil. The oval plateau is covered by a biologically rich savanna and grassland ecosystem called Cerrado. The Cerrado covers about one-fifth of Brazil’s land area and represents the second-largest biome in South America behind the Amazon. These lands are home to thousands of plant, bird, reptile, and mammal species, many of which are found nowhere else on the planet.
Learn more about this area sometimes referred to as the “cradle of waters.”
Text credit: Lindsey Doermann
Image credit: NASA/Wanmei Liang; Landsat data: USGS
Central Brazil Cerrado
On May 19, 2025, Landsat 9 captured this image of the Serra de Caldas in the state of Goiás, Brazil. The oval plateau is covered by a biologically rich savanna and grassland ecosystem called Cerrado. The Cerrado covers about one-fifth of Brazil’s land area and represents the second-largest biome in South America behind the Amazon. These lands are home to thousands of plant, bird, reptile, and mammal species, many of which are found nowhere else on the planet.
Learn more about this area sometimes referred to as the “cradle of waters.”
Text credit: Lindsey Doermann
Image credit: NASA/Wanmei Liang; Landsat data: USGS
NASA’s TROPICS Mission: Offering Detailed Images and Analysis of Tropical Cyclones
9 min read
NASA’s TROPICS Mission: Offering Detailed Images and Analysis of Tropical CyclonesIntroduction
Tropical cyclones represent a danger to life, property, and the economies of communities. Researchers who study tropical cyclones have focused on remote observations using space-based platforms to image these storms, inform forecasts, better predict landfall, and improve understanding of storm dynamics and precipitation evolution – see Figure 1.
Figure 1. TROPICS imagery of Typhoon Kong-rey observed on October 29, 2024, near 205 GHz revealing a large and well-defined eye. Figure credit: U.S. Naval Research LaboratoryThe tropical cyclone community has leveraged data from Earth observing platforms for more than 30 years. These data have been retrieved from numerous instruments including: the Advanced Baseline Imager (ABI) on the National Oceanic and Atmospheric Administration’s (NOAA) Geostationary Operational Environmental Satellite (GOES)–Series R satellites; the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI); the Global Precipitation Measurement (GPM) Microwave Imager (GMI); the Special Sensor Microwave Imager/Sounder (SSMIS) on the Defense Meteorological Satellite (DMSP) satellites; the Advanced Microwave Scanning Radiometer (AMSR-E) on Aqua; AMSR2 on the Japan Aerospace Exploration Agency’s (JAXA) Global Change Observation Mission–Water (GCOM-W) mission; the Advanced Microwave Sounding Unit (AMSU) on Aqua and the Advanced Technology Microwave Sounder (ATMS) on the NASA–NOAA Suomi National Polar-Orbiting Partnership (Suomi NPP), NOAA-20, and NOAA-21; the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra and Aqua platforms; and the Visible Infrared Imaging Radiometer Suite (VIIRS) on Suomi NPP, as well as on the first two Joint Polar Satellite System (JPSS) missions (i.e., NOAA-20 and NOAA-21).
Despite having decades of data at their disposal, scientists lack data from instruments placed in low-inclination orbits that provide more frequent views within tropical regions. This limitation is especially pronounced in the tropical and subtropical latitudes, which is where tropical storms develop and intensify.
The NASA Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of Smallsats (TROPICS) grew from the Precipitation and All-weather Temperature and Humidity (PATH) to address a need for obtaining three-dimensional (3D) temperature and humidity measurements as well as precipitation with a temporal revisit rate of one hour or better – see Figure 2. TROPICS uses multiple small satellites flying in a carefully engineered formation to obtain rapid revisits of measurements of precipitation structure within the storms, as well as temperature and humidity profiles, both within and outside of the storms, including the intensity of the upper-level warm core. In addition, the instruments provide a median revisit time of about one hour. The data gathered also informs changes in storm track and intensity and provides data to improve weather prediction models.
The imagery is focused on inner storm structure (near 91 and 205 GHz), temperature soundings (near 118 GHz), and moisture soundings (near 183 GHz). Spatial resolution at nadir is approximately 24 km (16.8 mi) for temperature and 17 km (10.6 mi) for moisture and precipitation, covering a swath of approximately 2000 km (1243 mi) in width. Researchers can use TROPICS data to create hundreds of high-resolution images of tropical cyclones throughout their lifecycle.
Figure 2. TROPICS space vehicle showing the CubeSat bus, radiometer payload, and deployed articulated solar array. Figure credit: Blue Canyon Technologies and MIT Lincoln LaboratoryThis article provides an overview of the two years of successful science operations of TROPICS, with a focus on the suite of geophysical Level-2 (L2) products (e.g., atmospheric vertical temperature and moisture profiles, instantaneous surface rain rate, and tropical cyclone intensity) and the science investigations resulting from these measurements. The complete article, available in the Proceedings of the IEEE: Special Issue on Satellite Remote Sensing of the Earth, provides more comprehensive details of the results.
From Pathfinder to Constellation
A single TROPICS satellite was launched as a Pathfinder vehicle on June 30, 2021, aboard a SpaceX Falcon 9 rideshare into a Sun-synchronous polar orbit. TROPICS was originally conceived as a six-satellite constellation, with two satellites launched into each of three low-inclination orbits. Regrettably, the first launch, on June 22, 2022, aboard an Astra Rocket 3.3, failed to reach orbit. While unfortunate, the mission could still proceed with four satellites and meet its baseline revisit rate requirement (with no margin), with the silver lining of an extra year of data gathered from TROPICS Pathfinder that allowed the tropical cyclone research community to prepare and test communications systems and data processing algorithms before the launch of the four remaining constellation satellites. These satellites were deployed on two separate launches – May 8, 2023 and May 26, 2023 – aboard a Rocket Lab launch vehicle. The early testing accelerated calibration and validation for the constellation.
Collecting Data Critical to Understanding Tropical Cyclones
Tropical cyclone investigations require rapid quantitative observations to create 2D storm structure information. The four radiance data products in the TROPICS constellation [i.e., antenna temperature (L1a), brightness temperature (L1b), unified brightness temperature, and regularized scan pattern and limb-adjusted brightness temperature (L1c)] penetrate below the cloud top to gather data at greater frequency for a lower cost than current operational systems. The constellation data has been used to evaluate the development of the warm core and evolution of the ice water path within storms – two indicators of storm formation and subsequent changes in intensity.
The upper-level warm core is key to tropical cyclone development and intensification. Precipitation may instigate rapid intensification through convective bursts that are characterized by expanding cold cloud tops, increasing ice scattering, lightning, and towers of intense rain and ice water that are indicative of strong updrafts. TROPICS frequencies provide a wealth of information on scattering by precipitation-sized ice particles in the eyewall and rainbands that will allow for researchers to track the macrostructure of convective bursts in tropical cyclones across the globe. In addition, TROPICS data helps clarify how variations in environmental humidity around tropical cyclones affect storm structure and intensification.
Upper-level Warm Core
Analysis of the upper-level warm core of a tropical cyclone reveals valuable information about the storm’s development. The tropical cyclone community is using data from TROPICS to understand the processes that lead to precipitating ice structure and the role it plays in intensification – see Figure 3. While the warm core has been studied for decades, TROPICS provides a new opportunity to get high-revisit rate estimates of the atmospheric vertical temperature profile. By pairing the temperature profile with the atmospheric vertical moisture profile, researchers can define the relative humidity in the lower-to-middle troposphere, which is critical to understanding the impact of dry environmental air on storm evolution and structure.
Figure 3. TROPICS-3 imagery of Typhoon Kong-rey observed on October 29, 2024, a Category-5 storm that formed in the Pacific Ocean basin. Data gathered near 118 GHz was used to characterize temperature while data gathered near 205 GHz [right] revealed more about the inner structure of the storm. These data are used to define the warm core of the well-defined eye, located at 18.5° N. Figure Credit: U.S. Naval Research LaboratoryIce Water Path and Precipitation
Another variable that helps to provide insight into the development of tropical cyclones is the ice water path, which details the total mass of ice present in a vertical column of the atmosphere and is therefore useful for characterizing the structure and intensity of these storms. Increasing ice water path can reflect strengthening convection within a storm and thereby can be an indicator of likely intensification – see Figure 4. TROPICS is the first spaceborne sensor equipped with a 205 GHz channel that, along with the traditional 89, 118, and 183 GHz channels, is more sensitive to detecting precipitation-sized ice particles. In addition, the TROPICS Precipitation Retrieval and Profiling Scheme (PRPS) provides an estimate of precipitation. This scheme is based solely on the satellite radiances linked to precipitation rates, which can be used to generate products across time scales, from near-real-time to climatological scales.
Figure 4. Global precipitation ice water path (PIWP) retrievals derived from TROPICS [top] compared to those derived using data from the GPM Dual-frequency Precipitation Radar (GPM DPR) [bottom] The strong agreement between the two datasets is further validated through case studies over hurricanes, where TROPICS observations correspond well with known storm characteristics. Figure Credit: Blackwell, W. J. et al. (2025)Collaborations and TROPICS Data in Action
To evaluate and enhance the data gathered by TROPICS, the TROPICS application team enlisted the assistance of operational weather forecasters that formed the TROPICS Early Adopters program. In 2018, the program connected the application team to stakeholders interested in using TROPICS data for research, forecasting, and decision making. This collaboration improved approaches to diagnose and predict tropical cyclones. For example, the National Hurricane Center (NHC) found that the new TROPICS channel at 204.8 GHz offered the best approach to capture convective storm structure, followed by the more traditionally used 91-GHz channel. In addition, the U.S. Joint Typhoon Warning Center (JTWC) has been using TROPICS data to center-fix tropical cyclones and identify cloud formations. In particular, the JTWC team found that the 91 GHz channel was most useful for identifying cloud structure. Both NHC and JTWC found the TROPICS high revisit rate to be beneficial.
In 2024, the TROPICS applications team developed the TROPICS Satellite Validation Module as part of the NOAA Hurricane Research Division’s annual Advancing the Prediction of Hurricanes Experiment (APHEX). The module coordinated data collection from NOAA’s Hurricane Hunter aircraft beneath TROPICS satellite overpasses to provide data to calibrate and validate TROPICS temperature, moisture, and precipitation measurements. Using this approach, the Hurricane Hunter team tracked Hurricane Ernesto over the central North Atlantic on August 15 and 16, 2024, and used the data to characterize the environment of Ernesto’s rain bands – see Figure 5.
Figure 5. Brightness temperature (K) measured at 205 GHz from TROPICS-5 [right] and TROPICS-6 [left and center] from Hurricane Ernesto on August 15 and 16, 2024. The shaded circles denote 850–700 hPa relative humidity (%). Wind barbs are 850–700 hPa layer averaged winds (kt). Dropsonde data within 30 minutes of the TROPICS overpass times are plotted. Figure Credit: Blackwell, W. J. et al. (2025)In addition, the team used TROPICS observations in combination with GPM constellation precipitation estimates to characterize the lifecycle of Hurricane Franklin, which formed on August 19, 2023, and underwent a period of rapid intensification about eight days later. Intensification of the storm, in particular the period of rapid intensification (45 knot increase in maximum winds in 24 hours), occurred in association with a decrease in environmental vertical wind shear, a contraction of the radius of maximum precipitation, and an increase in the precipitation rate. Intensification ended with the formation of secondary rainbands and an outward shift in the radius of maximum precipitation.
Conclusion
TROPICS data offer the potential for improving forecasts from numerical weather prediction models and operational forecasts using its high spatial resolution and high revisit rates that enable enhanced characterization of tropical cyclones globally. To date, the TROPICS mission has produced a high-quality aggregate data record spanning 10 billion observations and 10 satellite years, using relatively low-cost microwave sounder constellations. All L1 (i.e., radiances) and L2 (i.e., geophysical products) data products and Algorithm Theoretical Basis Documents are available to the general public through the Goddard Earth Sciences Data and Information Services Center (GES DISC). The GES DISC data discussed in this article include L1 and L2 products for TROPICS-1, TROPICS-3, TROPICS-5, and TROPICS-6.
TROPICS data has aided hurricane track forecasting for multiple storms as forecasters have used the data at multiple operational tropical cyclone forecast centers. Data gathered by TROPICS will soon be complemented by multiple commercial constellations that are coming online to improve the revisit rate and performance.
William Blackwell
MIT Lincoln Laboratory
wjb@ll.mit.edu
Scott Braun
NASA GSFC, TROPICS Project Scientist
scott.a.braun@nasa.gov
Stacy Kish
Earth Observer Staff
Earthspin.science@gmail.com
NASA’s TROPICS Mission: Offering Detailed Images and Analysis of Tropical Cyclones
9 min read
NASA’s TROPICS Mission: Offering Detailed Images and Analysis of Tropical CyclonesIntroduction
Tropical cyclones represent a danger to life, property, and the economies of communities. Researchers who study tropical cyclones have focused on remote observations using space-based platforms to image these storms, inform forecasts, better predict landfall, and improve understanding of storm dynamics and precipitation evolution – see Figure 1.
Figure 1. TROPICS imagery of Hurricane Beryl observed on June 30, 2024, near 205 GHz revealing rain bands and a well-defined eye. Figure credit: U.S. Naval Research LaboratoryThe tropical cyclone community has leveraged data from Earth observing platforms for more than 30 years. These data have been retrieved from numerous instruments including: the Advanced Baseline Imager (ABI) on the National Oceanic and Atmospheric Administration’s (NOAA) Geostationary Operational Environmental Satellite (GOES)–Series R satellites; the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI); the Global Precipitation Measurement (GPM) Microwave Imager (GMI); the Special Sensor Microwave Imager/Sounder (SSMIS) on the Defense Meteorological Satellite (DMSP) satellites; the Advanced Microwave Scanning Radiometer (AMSR-E) on Aqua; AMSR2 on the Japan Aerospace Exploration Agency’s (JAXA) Global Change Observation Mission–Water (GCOM-W) mission; the Advanced Microwave Sounding Unit (AMSU) on Aqua and the Advanced Technology Microwave Sounder (ATMS) on the NASA–NOAA Suomi National Polar-Orbiting Partnership (Suomi NPP), NOAA-20, and NOAA-21; the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra and Aqua platforms; and the Visible Infrared Imaging Radiometer Suite (VIIRS) on Suomi NPP, as well as on the first two Joint Polar Satellite System (JPSS) missions (i.e., NOAA-20 and NOAA-21).
Despite having decades of data at their disposal, scientists lack data from instruments placed in low-inclination orbits that provide more frequent views within tropical regions. This limitation is especially pronounced in the tropical and subtropical latitudes, which is where tropical storms develop and intensify.
The NASA Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of Smallsats (TROPICS) mission addresses a critical need articulated in the 2007 Earth Science Decadal Survey for obtaining three-dimensional (3D) temperature and humidity measurements as well as precipitation with a temporal revisit rate of one hour or better – see Figure 2. TROPICS uses multiple small satellites flying in a carefully engineered formation to obtain rapid revisits of measurements of precipitation structure within the storms, as well as temperature and humidity profiles, both within and outside of the storms, including the intensity of the upper-level warm core. In addition, the instruments provide a median revisit time of about one hour. The data gathered also informs changes in storm track and intensity and provides data to improve weather prediction models.
The imagery is focused on inner storm structure (near 91 and 205 GHz), temperature soundings (near 118 GHz), and moisture soundings (near 183 GHz). Spatial resolution at nadir is approximately 24 km (16.8 mi) for temperature and 17 km (10.6 mi) for moisture and precipitation, covering a swath of approximately 2000 km (1243 mi) in width. Researchers can use TROPICS data to create hundreds of high-resolution images of tropical cyclones throughout their lifecycle.
Figure 2. TROPICS space vehicle showing the CubeSat bus, radiometer payload, and deployed articulated solar array. Figure credit: Blue Canyon Technologies and MIT Lincoln LaboratoryThis article provides an overview of the two years of successful science operations of TROPICS, with a focus on the suite of geophysical Level-2 (L2) products (e.g., atmospheric vertical temperature and moisture profiles, instantaneous surface rain rate, and tropical cyclone intensity) and the science investigations resulting from these measurements. The complete article, available in the Proceedings of the IEEE: Special Issue on Satellite Remote Sensing of the Earth, provides more comprehensive details of the results.
From Pathfinder to Constellation
A single TROPICS satellite was launched as a Pathfinder vehicle on June 30, 2021, aboard a SpaceX Falcon 9 rideshare into a Sun-synchronous polar orbit. TROPICS was originally conceived as a six-satellite constellation, with two satellites launched into each of three low-inclination orbits. Regrettably, the first launch, on June 22, 2022, aboard an Astra Rocket 3.3, failed to reach orbit. While unfortunate, the mission could still proceed with four satellites and meet its baseline revisit rate requirement (with no margin), with the silver lining of an extra year of data gathered from TROPICS Pathfinder that allowed the tropical cyclone research community to prepare and test communications systems and data processing algorithms before the launch of the four remaining constellation satellites. These satellites were deployed on two separate launches – May 8, 2023 and May 26, 2023 – aboard a Rocket Lab launch vehicle. The early testing accelerated calibration and validation for the constellation.
Collecting Data Critical to Understanding Tropical Cyclones
Tropical cyclone investigations require rapid quantitative observations to create 2D storm structure information. The four radiance data products in the TROPICS constellation [i.e., antenna temperature (L1a), brightness temperature (L1b), unified brightness temperature, and regularized scan pattern and limb-adjusted brightness temperature (L1c)] penetrate below the cloud top to gather data at greater frequency for a lower cost than current operational systems. The constellation data has been used to evaluate the development of the warm core and evolution of the ice water path within storms – two indicators of storm formation and subsequent changes in intensity.
The upper-level warm core is key to tropical cyclone development and intensification. Precipitation may instigate rapid intensification through convective bursts that are characterized by expanding cold cloud tops, increasing ice scattering, lightning, and towers of intense rain and ice water that are indicative of strong updrafts. TROPICS frequencies provide a wealth of information on scattering by precipitation-sized ice particles in the eyewall and rainbands that will allow for researchers to track the macrostructure of convective bursts in tropical cyclones across the globe. In addition, TROPICS data helps clarify how variations in environmental humidity around tropical cyclones affect storm structure and intensification.
Upper-level Warm Core
Analysis of the upper-level warm core of a tropical cyclone reveals valuable information about the storm’s development. The tropical cyclone community is using data from TROPICS to understand the processes that lead to precipitating ice structure and the role it plays in intensification – see Figure 3. While the warm core has been studied for decades, TROPICS provides a new opportunity to get high-revisit rate estimates of the atmospheric vertical temperature profile. By pairing the temperature profile with the atmospheric vertical moisture profile, researchers can define the relative humidity in the lower-to-middle troposphere, which is critical to understanding the impact of dry environmental air on storm evolution and structure.
Figure 3. TROPICS-3 imagery of Typhoon Kong-rey observed on October 29, 2024, a Category-5 storm that formed in the Pacific Ocean basin. Data gathered near 118 GHz was used to characterize temperature while data gathered near 205 GHz [right] revealed more about the inner structure of the storm. These data are used to define the warm core of the well-defined eye, located at 18.5° N. Figure Credit: U.S. Naval Research LaboratoryIce Water Path and Precipitation
Another variable that helps to provide insight into the development of tropical cyclones is the ice water path, which details the total mass of ice present in a vertical column of the atmosphere and is therefore useful for characterizing the structure and intensity of these storms. Increasing ice water path can reflect strengthening convection within a storm and thereby can be an indicator of likely intensification – see Figure 4. TROPICS is the first spaceborne sensor equipped with a 205 GHz channel that, along with the traditional 89, 118, and 183 GHz channels, is more sensitive to detecting precipitation-sized ice particles. In addition, the TROPICS Precipitation Retrieval and Profiling Scheme (PRPS) provides an estimate of precipitation. This scheme is based solely on the satellite radiances linked to precipitation rates, which can be used to generate products across time scales, from near-real-time to climatological scales.
Figure 4. Global precipitation ice water path (PIWP) retrievals derived from TROPICS [top] compared to those derived using data from the GPM Dual-frequency Precipitation Radar (GPM DPR) [bottom] The strong agreement between the two datasets is further validated through case studies over hurricanes, where TROPICS observations correspond well with known storm characteristics. Figure Credit: Blackwell, W. J. et al. (2025)Collaborations and TROPICS Data in Action
To evaluate and enhance the data gathered by TROPICS, the TROPICS application team enlisted the assistance of operational weather forecasters that formed the TROPICS Early Adopters program. In 2018, the program connected the application team to stakeholders interested in using TROPICS data for research, forecasting, and decision making. This collaboration improved approaches to diagnose and predict tropical cyclones. For example, the National Hurricane Center (NHC) found that the new TROPICS channel at 204.8 GHz offered the best approach to capture convective storm structure, followed by the more traditionally used 91-GHz channel. In addition, the U.S. Joint Typhoon Warning Center (JTWC) has been using TROPICS data to center-fix tropical cyclones and identify cloud formations. In particular, the JTWC team found that the 91 GHz channel was most useful for identifying cloud structure. Both NHC and JTWC found the TROPICS high revisit rate to be beneficial.
In 2024, the TROPICS applications team developed the TROPICS Satellite Validation Module as part of the NOAA Hurricane Research Division’s annual Advancing the Prediction of Hurricanes Experiment (APHEX). The module coordinated data collection from NOAA’s Hurricane Hunter aircraft beneath TROPICS satellite overpasses to provide data to calibrate and validate TROPICS temperature, moisture, and precipitation measurements. Using this approach, the Hurricane Hunter team tracked Hurricane Ernesto over the central North Atlantic on August 15 and 16, 2024, and used the data to characterize the environment of Ernesto’s rain bands – see Figure 5.
Figure 5. Brightness temperature (K) measured at 205 GHz from TROPICS-5 [right] and TROPICS-6 [left and center] from Hurricane Ernesto on August 15 and 16, 2024. The shaded circles denote 850–700 hPa relative humidity (%). Wind barbs are 850–700 hPa layer averaged winds (kt). Dropsonde data within 30 minutes of the TROPICS overpass times are plotted. Figure Credit: Blackwell, W. J. et al. (2025)In addition, the team used TROPICS observations in combination with GPM constellation precipitation estimates to characterize the lifecycle of Hurricane Franklin, which formed on August 19, 2023, and underwent a period of rapid intensification about eight days later. Intensification of the storm, in particular the period of rapid intensification (45 knot increase in maximum winds in 24 hours), occurred in association with a decrease in environmental vertical wind shear, a contraction of the radius of maximum precipitation, and an increase in the precipitation rate. Intensification ended with the formation of secondary rainbands and an outward shift in the radius of maximum precipitation.
Conclusion
TROPICS data offer the potential for improving forecasts from numerical weather prediction models and operational forecasts using its high spatial resolution and high revisit rates that enable enhanced characterization of tropical cyclones globally. To date, the TROPICS mission has produced a high-quality aggregate data record spanning 10 billion observations and 10 satellite years, using relatively low-cost microwave sounder constellations. All L1 (i.e., radiances) and L2 (i.e., geophysical products) data products and Algorithm Theoretical Basis Documents are available to the general public through the Goddard Earth Sciences Data and Information Services Center (GES DISC). The GES DISC data discussed in this article include L1 and L2 products for TROPICS-1, TROPICS-3, TROPICS-5, and TROPICS-6.
TROPICS data has aided hurricane track forecasting for multiple storms as forecasters have used the data at multiple operational tropical cyclone forecast centers. Data gathered by TROPICS will soon be complemented by multiple commercial constellations that are coming online to improve the revisit rate and performance.
William Blackwell
MIT Lincoln Laboratory
wjb@ll.mit.edu
Scott Braun
NASA GSFC, TROPICS Project Scientist
scott.a.braun@nasa.gov
Stacy Kish
Earth Observer Staff
Earthspin.science@gmail.com
Comet-Catching NASA Technology Enables Exotic Works of Art
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater) The Jet Propulsion Laboratory perfected aerogel for the Stardust mission. Under Stardust, bricks of aerogel covered panels on a spacecraft that flew behind a comet, with the microporous material “soft catching” any particles that might strike it and preserving them for return to Earth.NASAConsisting of 99% air, aerogel is the world’s lightest solid. This unique material has found purpose in several forms — from NASA missions to high fashion.
Driven by the desire to create a 3D cloud, Greek artist Ioannis Michaloudis learned to use aerogel as an artistic medium. His journey spanning more than 25 years took him to the Massachusetts Institute of Technology (MIT) in Cambridge; Shivaji University in Maharashtra, India; and NASA’s Jet Propulsion Laboratory in Southern California.
A researcher at MIT introduced Michaloudis to aerogel after hearing of his cloud-making ambition, and he was immediately intrigued. Aerogel is made by combining a polymer with a solvent to create a gel and flash-drying it under pressure, leaving a solid filled with microscopic pores.
Scientists at JPL chose aerogel in the mid-1990s to enable the Stardust mission, with the idea that a porous surface could capture particles while flying on a probe behind a comet. Aerogel worked in lab tests, but it was difficult to manufacture consistently and needed to be made space-worthy. NASA JPL hired materials scientist Steve Jones to develop a flight-ready aerogel, and he eventually got funding for an aerogel lab.
The Stardust mission succeeded, and when Michaloudis heard of it, he reached out to JPL, where Jones invited him to the lab. Now retired, Jones recalled, “I went through the primer on aerogel with him, the different kinds you could make and their different properties.” The size of Jones’ reactor, enabling it to make large objects, impressed Michaloudis. With tips on how to safely operate a large reactor, he outfitted his own lab with one.
In India, Michaloudis learned recipes for aerogels that can be molded into large objects and don’t crack or shrink during drying. His continued work with aerogels has created an extensive art portfolio.
Michaloudis has had more than a dozen solo exhibitions. All his artwork involves aerogel, drawing attention with its unusual qualities. An ethereal, translucent blue, it casts an orange shadow and can withstand molten metals.
In 2020, Michaloudis created a quartz-encapsulated aerogel pendant for the centerpiece of that year’s collection from French jewelry house Boucheron. Michaloudis also captured the fashion and design world’s attention with a handbag made of aerogel, unveiled at Coperni’s 2024 fall collection debut.
NASA was a crucial step along the way. “I am what I am, and we made what we made thanks to the Stardust project,” said Michaloudis.
Read More Share Details Last Updated Jun 10, 2025 Related Terms Explore More 2 min read NASA Tech Gives Treadmill Users a ‘Boost’Creators of the original antigravity treadmill continue to advance technology with new company.
Article 2 weeks ago 3 min read Winners Announced in NASA’s 2025 Gateways to Blue Skies Competition Article 3 weeks ago 3 min read Meet Four NASA Inventors Improving Life on Earth and Beyond Article 1 month ago Keep Exploring Discover Related TopicsMissions
Technology Transfer & Spinoffs
StardustNASA’s Stardust was the first spacecraft to bring samples from a comet to Earth, and the first NASA mission to…
Solar System
Comet-Catching NASA Technology Enables Exotic Works of Art
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater) The Jet Propulsion Laboratory perfected aerogel for the Stardust mission. Under Stardust, bricks of aerogel covered panels on a spacecraft that flew behind a comet, with the microporous material “soft catching” any particles that might strike it and preserving them for return to Earth.NASAConsisting of 99% air, aerogel is the world’s lightest solid. This unique material has found purpose in several forms — from NASA missions to high fashion.
Driven by the desire to create a 3D cloud, Greek artist Ioannis Michaloudis learned to use aerogel as an artistic medium. His journey spanning more than 25 years took him to the Massachusetts Institute of Technology (MIT) in Cambridge; Shivaji University in Maharashtra, India; and NASA’s Jet Propulsion Laboratory in Southern California.
A researcher at MIT introduced Michaloudis to aerogel after hearing of his cloud-making ambition, and he was immediately intrigued. Aerogel is made by combining a polymer with a solvent to create a gel and flash-drying it under pressure, leaving a solid filled with microscopic pores.
Scientists at JPL chose aerogel in the mid-1990s to enable the Stardust mission, with the idea that a porous surface could capture particles while flying on a probe behind a comet. Aerogel worked in lab tests, but it was difficult to manufacture consistently and needed to be made space-worthy. NASA JPL hired materials scientist Steve Jones to develop a flight-ready aerogel, and he eventually got funding for an aerogel lab.
The Stardust mission succeeded, and when Michaloudis heard of it, he reached out to JPL, where Jones invited him to the lab. Now retired, Jones recalled, “I went through the primer on aerogel with him, the different kinds you could make and their different properties.” The size of Jones’ reactor, enabling it to make large objects, impressed Michaloudis. With tips on how to safely operate a large reactor, he outfitted his own lab with one.
In India, Michaloudis learned recipes for aerogels that can be molded into large objects and don’t crack or shrink during drying. His continued work with aerogels has created an extensive art portfolio.
Michaloudis has had more than a dozen solo exhibitions. All his artwork involves aerogel, drawing attention with its unusual qualities. An ethereal, translucent blue, it casts an orange shadow and can withstand molten metals.
In 2020, Michaloudis created a quartz-encapsulated aerogel pendant for the centerpiece of that year’s collection from French jewelry house Boucheron. Michaloudis also captured the fashion and design world’s attention with a handbag made of aerogel, unveiled at Coperni’s 2024 fall collection debut.
NASA was a crucial step along the way. “I am what I am, and we made what we made thanks to the Stardust project,” said Michaloudis.
Read More Share Details Last Updated Jun 10, 2025 Related Terms Explore More 2 min read NASA Tech Gives Treadmill Users a ‘Boost’Creators of the original antigravity treadmill continue to advance technology with new company.
Article 2 weeks ago 3 min read Winners Announced in NASA’s 2025 Gateways to Blue Skies Competition Article 3 weeks ago 3 min read Meet Four NASA Inventors Improving Life on Earth and Beyond Article 1 month ago Keep Exploring Discover Related TopicsMissions
Technology Transfer & Spinoffs
StardustNASA’s Stardust was the first spacecraft to bring samples from a comet to Earth, and the first NASA mission to…
Solar System
Paul Morris: Filming the Final Frontier
What sparked your interest in video production, and what drew you to NASA?
Ever since I saw “Star Wars” at nine years old, I knew I wanted to make movies. I would make little stop action videos with my action figures.
How did you land this role at NASA, and what do your duties entail?
I was working with a company in New York for about eight years, producing a daily live interactive show on Facebook. I’ve always been obsessed with NASA, so when I saw the job opportunity I knew I had to take a shot. To this day I still can’t believe how lucky I am to work here. I’ve been working with the Hubble mission for the past five years, but I’ve begun to work on other missions like the James Webb Space Telescope, MAVEN (Mars Atmosphere and Volatile EvolutioN), Osiris-REx (Origins, Spectral Interpretation, Resource Identification, and Security – Regolith Explorer), and the incredible Nancy Grace Roman Space Telescope.
Paul Morris is a video producer at NASA’s Goddard Space Flight Center in Greenbelt, Md. His work brings the cosmos to the screen, turning space science into cinematic wonder.Credit: Courtesy of Paul MorrisHow has your style evolved over time?
My previous job was very steeped in “internet culture,” so it was a lot more fast-paced and crazy style videos. The main goal was to get the audience to watch past the ad break. With NASA I’ve been able to slow down my videos a bit more and focus more on quality and explaining the science result.
Paul has covered several NASA missions, including the James Webb, Hubble and upcoming Roman space telescopes. He translates scientific discoveries into exciting visual stories to connect broad audiences with NASA’s work.Credit: Courtesy of Paul MorrisWhat guides your process when you start a new assignment?
Let me be clear, I feel that all astro science is super cool and interesting. However, some of it is less interesting to the general public. Therefore, the first thing I think about when approaching a potential new story is by asking the question: “Would a fifth grader think this story is awesome?” Black holes, giant explosions, stars dying…if the story is there then the imagery will be there too.
Part of Paul’s role as video producer involves interviewing scientists and other experts, drawing out insights that make complex topics more understandable.Credit: Courtesy of Paul MorrisWhat’s been your favorite project so far?
A few years back, Hubble just celebrated the 30th anniversary of the first servicing mission, (the one that corrected the mirror flaw). I got to interview some of the biggest Hubble legends of all time and created a seven-part series from the perspectives of all of these genius engineers, scientists, and even astronauts. I was super proud of how all those videos came out.
Do you have any major goals you hope to achieve or projects you’d like to tackle someday?
I’d love to do a full-length movie following a project from its conception to its deactivation. Obviously, this is rather hard to do and will take years, potentially decades, but there are a few projects that are on the “ground floor” at the moment, so I’d love to just check in with them every year or so.
How has your work influenced your understanding or appreciation of space science and technology?
I’ve been absolutely obsessed with all things NASA since around third grade, so I’ve always loved space science and technology. However, I had no idea how much the technology of space telescopes has led to incredible advances in Earth technologies. From Olympic speed skating to breast cancer research or saving whale sharks, there’s just such a huge return on investment with NASA research.
Paul poses between Hubble astronauts Gregory Johnson (left) and Michael Good (right) at NASA’s 10th anniversary celebration of the Hubble servicing mission 4.Credit: Courtesy of Paul MorrisWhere do you draw inspiration from?
The incredibly talented and creative people I work with always make me strive to make better videos.
What hobbies fill your time outside of work?
I’ve gotten really into running and CrossFit since Covid. I also direct plays from time to time at a local theatre near my house.
In addition to producing videos, Paul participates in outreach events to inform the public about NASA space missions.Credit: Courtesy of Paul MorrisWhat advice do you have for others who are interested in doing similar work?
Always look for ways to add to your creative skillset. There are a lot of amazing training options available online, and there’s always something new you can do to make yourself even better than you are today.
By Ashley Balzer
NASA’s Goddard Space Flight Center in Greenbelt, Md.
Paul Morris: Filming the Final Frontier
What sparked your interest in video production, and what drew you to NASA?
Ever since I saw “Star Wars” at nine years old, I knew I wanted to make movies. I would make little stop action videos with my action figures.
How did you land this role at NASA, and what do your duties entail?
I was working with a company in New York for about eight years, producing a daily live interactive show on Facebook. I’ve always been obsessed with NASA, so when I saw the job opportunity I knew I had to take a shot. To this day I still can’t believe how lucky I am to work here. I’ve been working with the Hubble mission for the past five years, but I’ve begun to work on other missions like the James Webb Space Telescope, MAVEN (Mars Atmosphere and Volatile EvolutioN), Osiris-REx (Origins, Spectral Interpretation, Resource Identification, and Security – Regolith Explorer), and the incredible Nancy Grace Roman Space Telescope.
Paul Morris is a video producer at NASA’s Goddard Space Flight Center in Greenbelt, Md. His work brings the cosmos to the screen, turning space science into cinematic wonder.Credit: Courtesy of Paul MorrisHow has your style evolved over time?
My previous job was very steeped in “internet culture,” so it was a lot more fast-paced and crazy style videos. The main goal was to get the audience to watch past the ad break. With NASA I’ve been able to slow down my videos a bit more and focus more on quality and explaining the science result.
Paul has covered several NASA missions, including the James Webb, Hubble and upcoming Roman space telescopes. He translates scientific discoveries into exciting visual stories to connect broad audiences with NASA’s work.Credit: Courtesy of Paul MorrisWhat guides your process when you start a new assignment?
Let me be clear, I feel that all astro science is super cool and interesting. However, some of it is less interesting to the general public. Therefore, the first thing I think about when approaching a potential new story is by asking the question: “Would a fifth grader think this story is awesome?” Black holes, giant explosions, stars dying…if the story is there then the imagery will be there too.
Part of Paul’s role as video producer involves interviewing scientists and other experts, drawing out insights that make complex topics more understandable.Credit: Courtesy of Paul MorrisWhat’s been your favorite project so far?
A few years back, Hubble just celebrated the 30th anniversary of the first servicing mission, (the one that corrected the mirror flaw). I got to interview some of the biggest Hubble legends of all time and created a seven-part series from the perspectives of all of these genius engineers, scientists, and even astronauts. I was super proud of how all those videos came out.
Do you have any major goals you hope to achieve or projects you’d like to tackle someday?
I’d love to do a full-length movie following a project from its conception to its deactivation. Obviously, this is rather hard to do and will take years, potentially decades, but there are a few projects that are on the “ground floor” at the moment, so I’d love to just check in with them every year or so.
How has your work influenced your understanding or appreciation of space science and technology?
I’ve been absolutely obsessed with all things NASA since around third grade, so I’ve always loved space science and technology. However, I had no idea how much the technology of space telescopes has led to incredible advances in Earth technologies. From Olympic speed skating to breast cancer research or saving whale sharks, there’s just such a huge return on investment with NASA research.
Paul poses between Hubble astronauts Gregory Johnson (left) and Michael Good (right) at NASA’s 10th anniversary celebration of the Hubble servicing mission 4.Credit: Courtesy of Paul MorrisWhere do you draw inspiration from?
The incredibly talented and creative people I work with always make me strive to make better videos.
What hobbies fill your time outside of work?
I’ve gotten really into running and CrossFit since Covid. I also direct plays from time to time at a local theatre near my house.
In addition to producing videos, Paul participates in outreach events to inform the public about NASA space missions.Credit: Courtesy of Paul MorrisWhat advice do you have for others who are interested in doing similar work?
Always look for ways to add to your creative skillset. There are a lot of amazing training options available online, and there’s always something new you can do to make yourself even better than you are today.
By Ashley Balzer
NASA’s Goddard Space Flight Center in Greenbelt, Md.
Sols 4561-4562: Prepping to Drill at Altadena
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Sols 4561-4562: Prepping to Drill at Altadena NASA’s Mars rover Curiosity acquired this image of a recent DRT (Dust Removal Tool) site, showing off the marks created in the rocks by DRT — a motorized, wire-bristle brush on the turret at the end of the rover’s robotic arm — as well as a whitish vein that was revealed after the dust covering it was removed. Curiosity acquired this image using its Mars Hand Lens Imager (MAHLI), a camera mounted on the turret at the end of the robotic arm, which provides close-up views of the minerals, textures, and structures in Martian rocks and the surface layer of rocky debris and dust. Using an onboard process, MAHLI merges two to eight images to make a composite image of the same target acquired at different focus positions, to bring many features into focus in a single image. Curiosity merged this composite on June 4, 2025 — Sol 4560. Or Martian day 4,560 of the Mars Science Laboratory Mission — at 12:33:42 UTC. NASA/JPL-Caltech/MSSSWritten by Conor Hayes, Graduate Student at York University
Earth planning date: Wednesday, June 4, 2025
We are continuing to look for a suitable location to collect a drilled sample in this area. As you may recall from Monday’s plan, we performed a short “bump” of just under 4 meters (about 13 feet) hoping to find a drill target today after Monday’s analysis determined that there were no good targets in our previous workspace. Happily, today’s workspace was much more cooperative, and we were able to select the target “Altadena” as our next potential drill location. Altadena is a name that we’ve been saving for a special target, as its namesake here on Earth is a neighborhood next to JPL that was devastated by the Eaton Fire earlier this year. We’re about to enter our next mapping quadrangle, which will come with a new set of target names, so the team decided that using Altadena as the name for this drill site was an obvious choice.
The big activity in this plan is the next step in the drilling process. This activity is the “preload test,” which determines if the forces on the drill will be good while drilling, and the drill target won’t unexpectedly move or fracture. If we pass the preload test and find that the rock has the chemistry we’re looking for, we’ll be able to proceed with Altadena as our next drill site. If we don’t, we’ll have to decide whether to bump again or resume driving deeper into this potentially boxwork-bearing region.
Of course, the preload test isn’t the only thing we’re doing today. Coming in, it was looking like our time for other activities would be pretty tight due to power constraints imposed by preparations for drilling and keeping the rover warm during the cold Martian winter. However, we’ve recently implemented some new power-optimizing capabilities, which led to us having much more power today than we expected. This meant that we were able to add a whole additional hour of science time in addition to the hour that we already had scheduled.
Unsurprisingly, Altadena gets a lot of love in this plan to characterize it before we drill. This includes a ChemCam LIBS activity and a Mastcam observation, as well as some overnight observations by APXS and some MAHLI images. In addition, Mastcam will be observing some exposed stratigraphy at “Dana Point,” a light-toned vein at “Mission Trails” that will also be a ChemCam LIBS target, a few more nearby troughs, and a couple of sandy patches at “Camp Williams” to observe wind-driven sediment transport. Along with the two LIBS, ChemCam will be using its RMI camera to add to the pile of images we have of the Mishe Mokwa butte and the yardang unit off in the distance.
As the lead for the Atmosphere and Environment (ENV) group today, it looked like I was going to have a pretty light workload due to the power constraints preventing any ENV activities other than our usual REMS, RAD, and DAN observations. With the extra hour of science time, I was able to add a handful of new activities, including three Navcam cloud movies, a Navcam line-of-sight observation of dust within Gale Crater, and a Navcam survey to look for any dust devils that may be swirling around the rover. A pretty decent ENV science haul for a plan that started with nothing!
When we come into planning on Friday, we’ll hopefully have passed the preload test and will be able to turn Altadena into our 43rd drill hole in the coming sols, before we continue driving up the slopes of Mount Sharp.
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From Garment Industry to NASA: Meet Systems Engineer Daniel Eng
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Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA Systems Engineer Daniel Eng serves his second year as a judge for the Aerospace Valley Robotics Competition at the Palmdale Aerospace Academy in Palmdale, California, in 2019. NASA/Lauren HughesAs a child in the 1960s, Daniel Eng spent his weekends in New York City’s garment district in Manhattan’s Lower East Side, clipping loose threads off finished clothing. He worked alongside his mother, a seamstress, and his father, a steam press operator, where he developed an eye for detail and a passion for learning. Now, he applies these capabilities at NASA, where he works as an engineer for the Air Mobility Pathfinders project.
“I often wonder whether the NASA worm magnet that someone left on my refrigerator in college, which I kept all these years, may have something to do with me ending up at NASA,” Eng said.
His route to NASA was not straightforward. Eng dropped out of high school to join the U.S. Army during the Vietnam War. He earned a GED certificate while on active duty and after his service earned a bachelor’s degree in electrical engineering from the University of Pennsylvania.
After college, Eng worked as a researcher investigating laser communications for the U.S. Navy, work which launched his career in aerospace. He then held jobs at several global corporations before landing at NASA.
NASA systems engineer, Daniel Eng, right, talks with student participants at the 2019 Aerospace Valley Robotics Competition at the Palmdale Aerospace Academy in Palmdale, California.NASA/Lauren Hughes“Looking back now, the Navy was ‘my launching point’ into the aerospace industry,” Eng said. “In more than four decades, I held various positions rising through the ranks ranging from circuit card design to systems analyst to production support to project and program management for advanced technology systems on a multitude of military and commercial aircraft projects.”
Today, he uses virtual models to plan and develop flight test requirements for piloted and automated aircraft, which will help guide future air taxi operations in cities.
“Engineers can virtually test computer models of designs, concepts, and operations before they are in place or even built, providing a safe and cost-effective way to verify the processes work the way they should,” Eng said.
He tells his grandkids to stay curious and ask a lot of questions so they can learn as much as possible.
“Be courteous, humble, kind, and respectful of people, and always remind yourself that you are just one human being among many ‘Earthlings,’” Eng said. “Teamwork is a very important aspect of success because rarely, if ever, does one person succeed on their own without help from others.”
Share Details Last Updated Jun 10, 2025 EditorDede DiniusContactLaura Mitchelllaura.a.mitchell@nasa.govLocationArmstrong Flight Research Center Related Terms Explore More 4 min read Paul Morris: Filming the Final Frontier Article 1 day ago 6 min read NASA Tests New Ways to Stick the Landing in Challenging Terrain Article 2 weeks ago 2 min read NASA Videographer Wins Top Award for Capturing Human Side of Science Article 3 weeks ago Keep Exploring Discover More Topics From NASAArmstrong Flight Research Center
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Searching for Ancient Rocks in the ‘Forlandet’ Flats
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Searching for Ancient Rocks in the ‘Forlandet’ Flats NASA’s Mars Perseverance rover acquired this image of the “Fallbreen” workspace using its onboard Left Navigation Camera (Navcam). The camera is located high on the rover’s mast and aids in driving. This image was acquired on May 22, 2025 (Sol 1512, or Martian day 1,512 of the Mars 2020 mission) at the local mean solar time of 14:39:01. NASA/JPL-CaltechWritten by Henry Manelski, Ph.D. student at Purdue University
This week Perseverance continued its gradual descent into the relatively flat terrain outside of Jezero Crater. In this area, the science team expects to find rocks that could be among the oldest ever observed by the Perseverance rover — and perhaps any rover to have explored the surface of Mars — presenting a unique opportunity to understand Mars’ ancient past. Perseverance is now parked at “Fallbreen,” a light-toned bedrock exposure that the science team hopes to compare to the nearby olivine-bearing outcrop at “Copper Cove.” This could be a glimpse of the geologic unit rich in olivine and carbonate that stretches hundreds of kilometers to the west of Jezero Crater. Gaining insight into how these rocks formed could have profound implications for our constantly evolving knowledge of this region’s history. Perseverance’s recent traverses marked another notable transition. After rolling past Copper Cove, Perseverance entered the “Forlandet” quadrangle, a 1.2-square-kilometer (about 0.46 square mile, or 297-acre) area along the edge of the crater that the science team named after Forlandet National Park on the Norwegian archipelago of Svalbard. Discovered in the late 16th century by Dutch explorers, this icy set of islands captured the imagination of a generation of sailors searching for the Northwest Passage. While Perseverance is in the Forlandet quad, landforms and rock targets will be named informally after sites in and around this national park on Earth. As the rover navigates through its own narrow passes in the spirit of discovery, driving around sand dunes and breezing past buttes, we hope it channels the perseverance of the explorers who once gave these rocks their names.
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Dr. Natasha Schatzman Receives Vertical Flight Society (VFS) Award
In May 2025, Dr. Natasha Schatzman, aerospace engineer in the Aeromechanics Office at NASA Ames Research Center, received the inaugural Alex M. Stoll Award from the Vertical Flight Society (VFS). This award honors a professional in the field of vertical flight who “demonstrates an exceptional commitment to advancing not only the mission of their organization but makes extraordinary contributions to enhancing the well-being and happiness of their colleagues.” Dr. Schatzman began her career at Ames in 2008 as a student intern while simultaneously completing her undergraduate studies at the Georgia Institute of Technology (Georgia Tech). She stayed at Georgia Tech through graduate school and finished her Ph.D. dissertation in 2018 in the Aeronautical and Astronautical Engineering Department. Currently, Dr. Schatzman is focusing on assessments of rotorcraft performance and aeroacoustics through experimentation and modeling at Ames Research Center. The Alex M. Stoll Award is the second time she has been honored by the VFS. In 2023, Dr. Schatzman received the François-Xavier Bagnoud Vertical Flight Award which is given to a member “who is 35 years old or younger for their career-to-date outstanding contributions to vertical flight technology.” More information on Dr. Schatzman’s 2025 award is at: https://vtol.org/awards-and-contests/vertical-flight-society-award-winners?awardID=28
About the AuthorOsvaldo R. Sosa ValleOsvaldo Sosa is a dedicated and detail-oriented project coordinator at NASA Ames Research Center, where he supports operations for the Aeronautics Directorate. He is part of the Strategic Communications Team and serves as managing editor for the Aeronautics topic on the NASA website. With experience in event coordination, logistics, and stakeholder engagement, Osvaldo brings strong organizational and communication skills to every project. He is passionate about driving innovation, fostering strong leadership, and streamlining operations to enhance team collaboration and organizational impact.
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