NASACast Audio

Gravity Assist: When the Moon Was Like a Magnet, with Sonia Tikoo


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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 send humans to the Moon, and eventually on to Mars, scientists are exploring the Moon's magnetic past.
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NASACast AudioBy National Aeronautics and Space Administration (NASA)