[Q&A+] Understanding Universe's Scale, Mars Missions, Colonizing Gas Giant Moons

BONUS QUESTION STARTS AT 19:38 Watch here (with no ads) or on YouTube: https://youtu.be/N1yFECYcRYs How can you wrap your head around the true scale of the Universe? Will humanity ever colonize gas giant moons? Can ISS missions compare to future Mars missions? And in Q&A+, did JWST produce any good science papers? 00:00 Intro 00:25 [@chiroptile2881] Will humanity ever colonize the gas giants' moons? 04:32 [@nickstokes9386] How can you comprehend the scale of the Universe? 08:16 [@SantiagoT75] I