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What scientists hope to learn from asteroid sample returned to Earth on NASA spacecraft - PBS NewsHour [View all]
You may have heard about a NASA probe that successfully brought some samples from a deep-space asteroid back to Earth. It took four billion miles to get them, but researchers believe it will be worth it. You also may be wondering just why scientists want these samples from what's essentially a huge rock flying through space. Science correspondent Miles O'Brien explains. - Aired on 09/25/2023.
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