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Two galaxies aligned in a way where their gravity acts as a compound lens

(phys.org)
271 points wglb | 1 comments | 11/16/2024, 4:48:00 PM | HN request time: 0.205s | source
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bparsons ◴[11/16/2024, 8:12:00 PM] No.42158887[source]▶

If the lens curved light back toward us, could we see earth several million years ago?

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DoingIsLearning ◴[11/16/2024, 8:50:00 PM] No.42159200[source]▶

@Dang is there a version of /best but for comments? The thought experiment in this comment broke my mind.

replies(1): >>42159212 #