“...all the past is but a beginning of a beginning, and that all that is and has been is but the twilight of dawn.”

— H.G. Wells
1902

NASA Image of the Day

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The latest NASA "Image of the Day" image.
Updated: 3 hours 15 min ago

Seeing the Solar Eclipse from 223,000 Miles Away

Mon, 04/15/2024 - 2:50pm
This spectacular image showing the Moon’s shadow on Earth’s surface was acquired during a 20-second period starting at 2:59 p.m. EDT (18:59:19 UTC) on April 8, 2024, by NASA’s Lunar Reconnaissance Orbiter.
Categories: Astronomy, NASA

The First Space Shuttle

Fri, 04/12/2024 - 1:38pm
The new era in space flight began on April 12, 1981. That is when the first Space Shuttle mission (STS-1) was launched. The Marshall Space Flight Center developed the propulsion system for the Space Shuttle. This photograph depicts the launch of the Space Shuttle Orbiter Columbia crewed with two astronauts, John Young and Robert Crippen.
Categories: Astronomy, NASA

Seeing Totality

Tue, 04/09/2024 - 12:27pm
A total solar eclipse is seen in Dallas, Texas on Monday, April 8, 2024. A total solar eclipse swept across a narrow portion of the North American continent from Mexico’s Pacific coast to the Atlantic coast of Newfoundland, Canada. A partial solar eclipse was visible across the entire North American continent along with parts of Central America and Europe.
Categories: Astronomy, NASA

Astronauts Protect Their Eyes with Eclipse Glasses

Fri, 04/05/2024 - 1:46pm
NASA astronauts Stephen Bowen, left, Frank Rubio, Warren Hoburg, and UAE (United Arab Emirates) astronaut Sultan Alneyadi, right, pose for a photo wearing solar glasses, Tuesday, March 19, 2024, at the Mary W. Jackson NASA Headquarters building in Washington. Bowen, Hoburg, and Alneyadi spent 186 days aboard the International Space Station as part of Expedition 69; while Rubio set a new record for the longest single spaceflight by a U.S. astronaut, spending 371 days in orbit on an extended mission spanning Expeditions 68 and 69.
Categories: Astronomy, NASA

Exobiology Deputy Branch Chief Melissa Kirven-Brooks

Thu, 04/04/2024 - 12:09pm
“… I've just seen such tremendous things happen since I've been part of the Astrobiology Program, and that's why I'm pretty confident we're going to find life elsewhere, because there are just so many brilliant people working on this.” — Melissa Kirven-Brooks, Exobiology Deputy Branch Chief and Future Workforce Lead of the NASA Astrobiology Program, NASA’s Ames Research Center
Categories: Astronomy, NASA

Carving a Path

Wed, 04/03/2024 - 2:25pm
What looks like highways going through a metropolitan area are actually a series of glaciers carving their way through the Karakoram mountain range north of the Himalayas. This photograph was taken from the International Space Station as it orbited 263 miles above.
Categories: Astronomy, NASA

A Home for Astronauts around the Moon

Tue, 04/02/2024 - 3:12pm
The primary structure of the Gateway space station's HALO (Habitation and Logistics Outpost) module is one step closer to launch following welding completion in Turin, Italy. HALO is one of four Gateway modules where astronauts will live, conduct science, and prepare for lunar surface missions. NASA is partnering with Northrop Grumman and their subcontractor Thales Alenia Space to develop HALO.
Categories: Astronomy, NASA

Safety First!

Mon, 04/01/2024 - 1:05pm
Safety is important, no matter where you're viewing the eclipse. NASA astronauts aboard the International Space Station show off their eclipse glasses, which allow safe viewing of the Sun during a solar eclipse.
Categories: Astronomy, NASA

International Space Station Program Deputy Chief Scientist Meghan Everett

Fri, 03/29/2024 - 10:55am
“One of my cornerstone pinnacles [is], ‘Show up to work [and] life with integrity and intent.’ So, accomplish your goals with integrity, intent, and a mission. Stick to that and have the confidence to do that, and be OK with messing up and failing, and have fun with those things." — Meghan Everett, International Space Station Program Deputy Chief Scientist, NASA’s Johnson Space Center
Categories: Astronomy, NASA

Mariner 7 Goes to Mars

Thu, 03/28/2024 - 12:53pm
An Atlas-Centaur launched at 5:22 p.m. EST on March 27, 1969, to send Mariner 7 on its way to Mars. Mariner 7 joined its sister spacecraft, Mariner 6, on a journey that carried them within 2,000 miles of the red planet that summer. Mariner 6 was launched from Kennedy Space Center in Florida on Feb. 24 and investigated the Martian equatorial area while Mariner 7 concentrated on the south polar cap.
Categories: Astronomy, NASA

Sending “Water” to Europa

Wed, 03/27/2024 - 11:57am
NASA's Europa Clipper spacecraft will carry a special message when it launches in October 2024 and heads toward Jupiter's moon Europa. The moon shows strong evidence of an ocean under its icy crust, with more than twice the amount of water of all of Earth's oceans combined. A triangular metal plate, seen here, will honor that connection to Earth. The plate is made of tantalum metal and is about 7 by 11 inches (18 by 28 centimeters). It is engraved on both sides and seals an opening in the electronics vault, which houses the spacecraft's sensitive electronics. The art on this side of the plate features waveforms that are visual representations of the sound waves formed by the word "water" in 103 languages. The waveforms radiate out from a symbol representing the American Sign Language sign for "water."
Categories: Astronomy, NASA

CADRE Rovers’ Test Drive in the Mars Yard

Tue, 03/26/2024 - 3:43pm
Two full-scale development model rovers that are part of NASA's CADRE (Cooperative Autonomous Distributed Robotic Exploration) technology demonstration drive in the Mars Yard at the agency's Jet Propulsion Laboratory in Southern California in August 2023. The project is designed to show that a group of robotic spacecraft can work together as a team to accomplish tasks and record data autonomously – without explicit commands from mission controllers on Earth.
Categories: Astronomy, NASA

Hubble Views a Galaxy Under Pressure

Mon, 03/25/2024 - 11:30am
This NASA/ESA Hubble Space Telescope image shows LEDA 42160, a galaxy about 52 million light-years from Earth in the constellation Virgo. The dwarf galaxy is one of many forcing its way through the comparatively dense gas in the massive Virgo cluster of galaxies. The pressure exerted by this intergalactic gas, known as ram pressure, has dramatic effects on star formation in LEDA 42160.
Categories: Astronomy, NASA

A Tranquil Sunrise

Thu, 03/21/2024 - 12:47pm
A fast boat is seen at sunrise after the landing of SpaceX Dragon Endurance spacecraft a few hours earlier in the Gulf of Mexico off the coast of Pensacola, Florida, Tuesday, March 12, 2024. The Crew-7 members returned after nearly six-months in space as part of Expedition 70 aboard the International Space Station.
Categories: Astronomy, NASA

Ocean Worlds Planetary Scientist Dr. Lynnae Quick

Wed, 03/20/2024 - 11:07am
"I've come a long way from thinking, 'Well, I did this whole dissertation on geysers, what it would take for them to erupt, for a spacecraft to see them, and that people might not take me seriously as a scientist because of it,' to being on the Europa Clipper camera team involved in investigating these plumes and ensuring we can image them if they're there. It's a full-circle moment." – Dr. Lynnae Quick, Ocean Worlds Planetary Scientist, NASA’s Goddard Space Flight Center
Categories: Astronomy, NASA