Submarine for Titan, Planets Changing Size, Even Bigger LIGO | Q&A 230

When does a Lagrange point stop being one? Can we make LIGO even bigger? Do planets change their size over time? Can we build a submarine to go to Titan? What's next for the TRAPPIST-1 system? All this and more in this week's Q&A!

00:00 Start
01:21 [Tatooine] Gravitational waves from The Great Attractor?
04:57 [Coruscant] Can LIGO's arms be even longer?
11:37 [Hoth] Can planets change their size over time?
15:17 [Naboo] Can we build a sub for Titan?
17:26 [Kamino] Most surprising discoveries from JWST?
20:37 [Bespin] Could we detect technosignatures from the Star Wars Galaxy?
23:21 [Mustafar] What's the core of Jupiter made of?
25:38 [Alderaan] What's next for the TRAPPIST-1 system?
28:19 [Dagobah] How much mass can a Lagrange point have?

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