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Why NASA Punched an Asteroid - Where did life come from? It’s one of the biggest questions humans have ever asked — and the answer might be locked in ancient space rocks that were around before life began. To find out, NASA pulled off one of its most ambitious missions ever, landing on an asteroid and sending a rock sample back to Earth. Today, we’re going to take a look at what it brought back.

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About Be Smart

Be Smart is created and hosted by Joe Hanson, Ph.D. We give you deep answers to simple questions about science and the rest of the universe.