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Episode 545: Q&A 93: When Will The Space Junk Return To Earth? And More...
In this week's questions show, I explain how long it'll take for space junk to burn up in the Earth's atmosphere, would it be possible to put advertising in space, and why panspermia is appealing as a hypothesis. 01:04 When will the space junk return to Earth?03:14 Why don't we clean up the junk?06:50 Can we advertise in the night sky?08:36 Why is pansperimia appealing as a hypothesis?10:53 Crewed space station dedicated to astronomy?13:25 Best way to reduce light pollution?16:08 What factors are important for life?18:41 Can a star and black hole orbit each other?20:41 How does time dilation…
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