OK, but shouldn’t we be able to detect the supernova remnants in the sky?

Was a Supernova the Cause of a Great Extinction?
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The Cosmic Companion
B. O. Face
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1 min read·
Aug 21, 2020
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OK, but shouldn’t we be able to detect the supernova remnants in the sky?
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Written by B. O. Face2.9K Followers
·1K Following
No woman ever murdered her husband while he was washing the dishes.
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