Today I Learned (TIL)

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TIL of the 1908 Tunguska explosion in Siberia, which experts believe was an asteroid that ripped apart 800 square miles of forest (science.nasa.gov)

submitted 2 years ago by [email protected] to c/[email protected]

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The original was posted on /r/todayilearned by /u/mankls3 on 2023-09-18 08:16:54.

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[–] [email protected] 1 points 2 years ago

No debris from an asteroid was found at the site, which is weird compared to other impacts. An alternate theory is the area was hit by a small (in mass), fast-travelling black hole. It would have struck, zipped through the earth, and then passed out through an ocean on the other side.

https://radiolab.org/podcast/little-black-holes-everywhere