Replenishing Lost Atmosphere, Copy of Earth, Betelgeuse Supernova | Q&A 326

🎁 [Q&A+] Same video. No YT ads. BONUS question, totally free :
https://www.patreon.com/posts/q-replenishing-q-130639671

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https://www.patreon.com/posts/overtime-326-130640153

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.

Chris Benton Astronomy - https://www.youtube.com/@chrisbentonastronomy
Chris Pattison - https://www.youtube.com/@ChrisPattisonCosmo
Fraser Gunn - https://www.youtube.com/@FraserTK

00:00 Start
00:30 [Naveed] Can we use the Sun to send messages?
03:49 [jeff miller] Can we replace the atmosphere we're losing to space?
04:40 [Ghostdog4] When will Betelgeuse finally become a supernova?
06:35 [[PMG] Corey] How is JWST changing our understanding of cosmology?
10:38 [gtziavelis] Is there a copy of Earth somewhere out there in the Universe?
13:59 [Lance Haring] Do black holes poop dark matter?

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