this post was submitted on 25 Nov 2023
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Astronomy

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Scientists detect a cosmic ray that’s almost as powerful as the ‘Oh-My-God’ particle | CNN (edition.cnn.com)
submitted 1 year ago by [email protected] to c/[email protected]
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[–] [email protected] 3 points 1 year ago* (last edited 1 year ago) (1 children)

I've seen a Veritasium video about this where he said you can see flashes of light if these particles hit your retinas while your eyes are closed.
Apparently astronauts experience this a lot

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

They do, because there is very little atmosphere to shield them from it.