John Carlos Baez on Nostr: This feature in Hudson Bay is probably ššš” a large meteor crater. It's ...
This feature in Hudson Bay is probably ššš” a large meteor crater. It's called the Nastapoka Arc. While the dark red part of the circle really is the coastline, the rest of the circle is not anything real.
Details:
https://en.wikipedia.org/wiki/Nastapoka_arc 
Published at
2024-09-13 23:38:25Event JSON
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"content": "This feature in Hudson Bay is probably ššš” a large meteor crater. It's called the Nastapoka Arc. While the dark red part of the circle really is the coastline, the rest of the circle is not anything real.\n\nDetails:\n\nhttps://en.wikipedia.org/wiki/Nastapoka_arc\n\nhttps://media.mathstodon.xyz/media_attachments/files/113/132/859/294/301/181/original/abfcc15cc37dda23.png",
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