wolfpack_charlie t1_itw3tr3 wrote
Reply to comment by Due_Connection179 in Earth's atmosphere could be turned into a giant dark-matter detector by trevor25
This video is really good rundown of why astronomers are confident that dark matter exists even though they haven't directly detected it yet. The indirect evidence is overwhelming and can't be explained by any kind of ordinary matter or modifications to gravity. You're right that there are a lot of unanswered questions about dark matter - it's one of the biggest unsolved problems in science.
I recommend Dr Becky's channel in general for astronomy content. She's a PhD astrophysicist and great at explaining deep concepts in astronomy and cosmology
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