[Q&A] Kuiper Belt Orbiter, Naming Planet 9, Most Perfect Spheres

Could we detect life on Earth from Neptune's orbit? Is the Moon shrinking over time? Why don't we send an orbiter the the Kuiper belt? What should we call Planet 9 if we find it? Answering all these questions and more in this week's Q&A show.
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00:00 Start
00:24 [Andoria] Could we detect Earth life from Neptune's orbit?
04:47 [Vulcan] Will we ever send an orbiter to the Kuiper belt?
07:57 [Risa] Is the Moon shrinking?
11:23 [Aeturen] Plans for the April eclipse?
13:25 [Vendikar] What happens when gravitational waves collide?
14:18 [Remus] Do photons experience time?
16:04 [Janus] What would be considered an unequivocal biosignature?
21:13 [Cait] What should we name Planet 9?
22:07 [Betazed] How soon can we recycle space junk?
25:04 [Cheleb] Did sci-fi become less compelling?
27:22 [Nimbus] How did Moon effect evolution on Earth?
30:28 [Belos] Are event horizons most perfect spheres in the Universe?
32:14 [Lyar] Is it possible to move from our current universe to the previous one?
35:36 [Zalcon] Why can't dark matter be objects?
📺 VIDEO VERSION
https://youtu.be/WZUhtAPPbg0
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