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Planetesimal Collison Around Star HD 166191 (Illustration)
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Planetesimal Collison Around Star HD 166191 (Illustration)

NASA / JPL · 2022-03-18 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

About this work

This illustration shows what a debris cloud around the young star called HD 166191 might look like up close. Astronomers using NASA's now-retired Spitzer Space Telescope saw a debris cloud briefly block the light from that star. The cloud was likely created by a smashup between two large asteroid-sized objects that might be the seeds of future planets around the star. HD 166191 is about 10 million years old.

NASA Image and Video Library’s own description
Credit linePlanetesimal Collison Around Star HD 166191 (Illustration). NASA/JPL, 2022-03-18. Public domain. ID: PIA25161.

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