Dangerous Supernova, Astronomy's Blind Spot, Space Race to Mars | Q&A 348

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https://www.patreon.com/posts/137426149

When is a supernova too close for comfort? Will USA's Moon race against China accelerate a race towards a Mars base? How can we see the Oort cloud? And in Q&A+, what do I tell to space deniers?

00:00 Start
00:25 [SpaceInfrastructure] If China beats US to the Moon, will it accelerate a Mars base development?
04:37 [LtNuke] How close does a supernova need to be to cause real damage?
08:23 [Stephen Eichenhorn] How can we see the Oort cloud?
11:36 [Visto Tutti] What telescope do we need to see the furtherest light?

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