[Q&A] Space Questions Special

This time it's different. As always, it's your space questions, but not my answers. I invited my fellow space YouTubers to give their answers to help me with the Q&A. Enjoy!

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Thanks to everyone for joining. Here are all the links to their channels:

00:00 Start
01:21 [Scott Manley ] Can Starship save fuel by aero-braking on Mars?
06:28 [Marcus House] Will we see nuclear spaceships?
08:26 [Launchpad Astronomy] Will supermassive black holes collide as galaxies come together?
12:21 [Sabine Hossenfelder] How quantum entanglement works?
15:04 [Joe Scott] What weird things is the Universe still hiding?
21:05 [Space Mog] Is dark matter just hidden ordinary matter?
24:10 [Dylan O'Donnell] How to democratize astronomy?
26:51 [Isaac Arthur] Is building space colonies the way to go?
29:16 [John Michael Godier ] What's the most low-tech techno-signature we can hope to find?
31:49 Outro

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https://youtu.be/vNGEXWZsTmY

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