this post was submitted on 23 May 2025
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Hypervelocity Stars Hint at a Supermassive Black Hole Just outside the Milky Way (www.scientificamerican.com)
submitted 3 days ago by [email protected] to c/[email protected]
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The study looked at hypervelocity stars, ones that are screaming through space at speeds far higher than stars around them. Some of these stars are moving so rapidly that they have reached galactic escape velocity; the Milky Way’s gravity can’t hold them. In the coming eons, they’ll flee the galaxy entirely. And we have good reason to believe these runaway stars were launched by SMBHs—but how?

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[–] [email protected] 2 points 3 days ago* (last edited 3 days ago) (2 children)

good fucking question! i don't think i replied to this post, but it's weird that it's still space-related. i wish i could remember what i actually replied to (edit - or rather which post i thought i was replying to. this was clearly a pebkac issue, but i can't figure out how it happened_

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

Unrelated but I just had this Europa argument with someone at my Mutants and Masterminds (2e) game because I suggested it as a place for a hidden alien observation post.

[–] [email protected] 2 points 3 days ago (1 children)

Maybe you clicked thru inside the article to another one about Europa

[–] [email protected] 2 points 3 days ago (1 children)

maybe? either way, sorry for just throwing a random europa hot take at you like that (yeah, i chose those words that way hahah)

[–] [email protected] 2 points 3 days ago (1 children)

It's all good. I looked at Scientific American's recent articles and none were about Europa. Also nobody has posted on Lemmy about Europa (the moon) in the past 2 weeks. A mystery that may never be solved.

[–] [email protected] 2 points 3 days ago

i'm a space geek with adhd, so maybe the answer is closer than you think