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[Q&A] Giving Up on Dark Matter, Swarm of Cheap Probes VS Single Expensive One, Rotating Universe
June 12, 2025 · 20 min
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&As https://www.patreon.com/universetoday 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? 📺 VIDEO VERSION https://youtu.be/LrIYot5w5z8 📰 GUIDE TO SPACE Newsletter No ads. Subscribe for FREE: https://universetoday.com/newsletter 🎧 PODCASTS Universe Today: https://universetoday.fireside.fm/ Astronomy Cast: http://www.astronomycast.com/ 📩 CONTACT FRASER frasercain@gmail.com ⚖️ LICENSE Creative Commons Attribution 4.0 International (CC BY 4.0)