Post Syndicated from Bruce Schneier original https://www.schneier.com/blog/archives/2023/11/friday-squid-blogging-squid-nebula.html

Pretty photograph.

The Squid Nebula is shown in blue, indicating doubly ionized oxygen—­which is when you ionize your oxygen once and then ionize it again just to make sure. (In all seriousness, it likely indicates a low-mass star nearing the end of its life).

As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered.

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