Tracing the Solar System's Origins in Comet Dust In 2004, NASA's Stardust mission stole microscopic rocks from a comet's tail. Last week, scientists released their first analysis of the alien particles. We discuss what comets can tell us about life and how our solar system formed.
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Tracing the Solar System's Origins in Comet Dust

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Tracing the Solar System's Origins in Comet Dust

Tracing the Solar System's Origins in Comet Dust

Tracing the Solar System's Origins in Comet Dust

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  • <iframe src="https://www.npr.org/player/embed/6664185/6664186" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

In 2004, NASA's Stardust mission stole microscopic rocks from a comet's tail. Last week, scientists released their first analysis of the alien particles. We discuss what comets can tell us about life and how our solar system formed.

Guest:

Don Brownlee, principal investigator for NASA's Stardust Mission; professor of astronomy at the University of Washington in Seattle, Washington