How Can Astronauts Tell How Fast They’re Going?
Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.
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Science / Space
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NASA Wants to Put Nuclear Reactors on the Moon
The White House has announced that NASA will work with the Departments of Defense and Energy to put nuclear reactors in orbit and on the surface of the moon.
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The Caves That Could Help Us Find, or Become, Aliens
From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet.
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Artemis II Returns From Historic Flight Around the Moon
After traveling a greater distance from Earth than any humans before them, the astronauts of Artemis II have safely returned home.
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The Future of the Artemis Program Is Riding on Reentry
Entire space programs have been canceled after a failure in the reentry phase. In the final test for Artemis II, astronauts will travel at 32 times the speed of sound as they return from the moon.
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How and When to Watch the Artemis II Mission’s Return to Earth
Splashdown for the Artemis II crew is scheduled for Friday evening, and NASA will livestream the historic homecoming.
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Artemis II Astronauts Witnessed 6 Meteorites Colliding With the Moon
The moon gets hit by space debris all the time, but some of it is so large that the impact generates light that can be seen thousands of kilometers away.
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Artemis II’s Breathtaking View of the Far Side of the Moon
The first images from Artemis II reveal what the moon looks like just 7,000 km from the surface—and confirm that NASA is ready to return to Earth’s satellite.
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Artemis II: Everything We Know as Its Crew Approaches the Far Side of the Moon
Artemis II remains on course for its lunar flyby as the crew shares historic photos of Earth, tests key systems for future lunar missions, and attempts to fix the toilet.
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5 Mysteries That the Artemis Missions to the Moon Could Finally Solve
The moon is not just a barren rock orbiting the Earth. The Artemis missions could answer the great unknowns that the satellite holds.
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