Open Space 60: Will Aliens Be Kind Or Cruel?

In this week's questions show, I wonder whether any aliens out there would be nice to us or try to wipe us out. What would be their motivations? Why are planets turning in the wrong direction? Would Betelgeuse generate gravitational waves?

XKCD Solar System Changes
https://m.xkcd.com/2258/

Phil Metger's take:
https://twitter.com/DrPhiltill/status/1220519840315736064

09:15 Will aliens be friendly?
12:18 Why are some planets going in the wrong direction?
14:33 XKCD reimagines the Solar System
15:35 What if pulsars zapped each other?
17:01 Anything in Betelgeuse to trigger a gravitational wave
20:20 Does our deaf dog bark?
21:37 How small could a black hole be?
24:31 What about the failing tv satellite?
25:17 Have I try not to watch other space videos
28:17 Does everything produce gravitational waves?
29:40 Could James Webb see quark stars?
31:55 Did I watch Picard?
32:49 Are other civilizations held back by a lack of technology?
33:00 Could we terraform Ganymede?
37:00 Apollo 1, Challenger and Columbia
41:24 Did shuttle ever have ejection seats?
42:00 Good astronomy vacations in North America?
44:45 Check out our Instagram page
45:22 Scifi book recommendations
47:23 Any astronomy events in 2020 I'm excited for?
48:30 Where do I announce my telescope sessions?
50:54 What astronomy events in the past would I want to see?
52:40 Will I interview the Navy pilot who saw UFOs?
55:00 How do we know the Oort could is there?
58:05 Would a water shield become radioactive?

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Team: Fraser Cain - @fcain / [email protected]
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