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

How can you wrap your head around the true scale of the universe?. Can ISS missions compare to future Mars missions?.

It goes beyond the title with direct discussion of know, like, it's, including: Will humanity ever colonize gas giant moons?.

1. 01Can ISS missions compare to future Mars missions?
2. 02You know, I always say that gravity wells are for suckers and so my preference that we don't go back down into gravity wells that we do build those giant space stations, those O'Ne
3. 03And also, as you get closer to one of these objects, they they fill up more and more of your field of view and so the kind of the average amount of light that's coming from it is a