A Young Solar System Reveals How Comets Could Seed Planets With Water

A Young Solar System Reveals How Comets Could Seed Planets With Water

September 11, 2026 · 24 min

About this episode

This episode discusses the discovery of exocomets around the young star PDS 70 and their implications for water transport to developing planets.

Astronomers have discovered exocomets orbiting the young star PDS 70, offering a rare glimpse into planetary systems during their formation. Their inward migration may reveal how comets transported water and other essential ingredients toward developing planets—and perhaps how similar processes shaped the early Earth. Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs. This episode includes AI-generated content.

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Host: Synthetic Universe

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Mentioned in this episode

Places: PDS 70, Earth

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