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[Q&A] Replenishing Lost Atmosphere, Copy of Earth, Betelgeuse Supernova
How much of our atmosphere is lost to space and should we be actively replenishing it? Is there an exact copy of Earth out there hiding in the Universe? Can we use the Sun to send messages? And in our extended Q&A+ version, how the advancements in AI will change 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 [Naveed] Can we use the Sun to send messages?03:49 [jeff miller] Can we replace the…
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