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An almost perfectly spherical shockwave from a nuclear bomb test. There are bright white splotches on the surface of the shockwave caused by pieces of the bomb's metal casing catching up with the shockwave and brightly vaporizing. There are also three fiery protrusions emanating from the bottom of the shockwave, explained in the next tweet.

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An almost perfectly spherical shockwave from a nuclear bomb test. There are bright white splotches on the surface of the shockwave caused by pieces of the bomb's metal casing catching up with the shockwave and brightly vaporizing. There are also three fiery protrusions emanating from the bottom of the shockwave, explained in the next tweet.
https://files.mastodon.social/media_attachments/files/110/152/607/161/461/954/original/e9256290a09f80b7.jpeg

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Robert McNees (mcnees@mastodon.social)'s status on Thursday, 06-Apr-2023 15:36:46 UTC Robert McNees
in reply to

What’s going on in these photos?
The roughly spherical blob is the shockwave from the blast, and the white splotches are bits of bomb casing catching up with it.
What about the protrusions emerging from the sides and bottom of the blast?
Images: Public Domain

In conversation Thursday, 06-Apr-2023 15:36:46 UTC from mastodon.social permalink