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

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.🎁 [Q&A+] Same video. No YT ads. BONUS question, totally free :https://www.patreon.com/universetoday🚀 [Overtime] Even more Q&Ashttps://www.patreon.com/universetoday00:00 Start00:30 [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?📺 VIDEO VERSIONhttps://youtu.be/LrIYot5w5z8📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter🎧 PODCASTSUniverse Today: https://universetoday.fireside.fm/Astronomy Cast: http://www.astronomycast.com/📩 CONTACT [email protected]⚖️ LICENSECreative Commons Attribution 4.0 International (CC BY 4.0)Support Universe Today Podcast