Giving Up on Dark Matter, Swarm of Cheap Probes VS Single Expensive One, Rotating Universe | Q&A 328

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At what point we should just admit defeat and give up on our search for dark matter? Should we be sending a lot of cheap space probes instead of a single expensive one? If the Universe is rotating, where is the axis? And in our Q&A+ version, how to make a friend fall in love with Astronomy? Answering all these questions and more in this Q&A.

00:00 Start
00:30 [_Tyler-_-] Have we ever sent a swarm of really cheap probes instead of a single expensive one?
03:03 [Nithin Cleetus] If the Universe is rotating, around which axis does it do that?
04:31 [Trinidatt] What are the requrements to get a gravitational lens?
07:36 [estraume] Any updated on the idea of air-breathing ion engines?
09:10 [Andreas Lusti] How do I arrange my interviews?
12:39 [Frosty⛄️Winnipeg] When will I get an asteroid named after me?
15:05 [Maciej Jurkowski] How long will we be searching for dark matter before giving up?

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