Gravity Assist

National Aeronautics and Space Administration (NASA)

4 FANS
Dr. Jim Green, NASA's director of planetary science, takes you on a guided tour of the solar system and beyond.
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0:00 | Dec 19th, 2019

Besides learning how to live in space, astronauts training for Artemis missions to the Moon will need to become experts in geology, so they know what to look for when they're scoping out rocks and oth...Show More

0:00 | Dec 10th, 2019

Recent maps of the Moon's gravity have taught us a lot about its overall shape, and have been invaluable for lunar exploration. Maria Zuber, principal investigator of the Gravity Recovery and Interior...Show More
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0:00 | Sep 27th, 2019

Just like earthquakes help scientists figure out what's going on inside our home planet, moonquakes have taught scientists a lot about the interior of the Moon.

0:00 | Sep 12th, 2019

Early in its history, the Moon was molten, with “fire fountains” erupting from its surface. How did the Moon cool down and become the quiet, cratered world we know today? NASA’s Chief Scientist Jim Gr...Show More

0:00 | Aug 23rd, 2019

From lunar samples brought back in the Apollo program, scientists have figured out that the Moon once had a shield around it called a magnetosphere, just like the Earth has today. As NASA prepares to ...Show More
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