Pm_me_some_green_tea
Pm_me_some_green_tea t1_it0o9kg wrote
Reply to comment by themainemane in The Europa Clipper mission may be as exciting as a manned mars mission and it’s only two years away by Wide-Escape-5618
I'd say light is definitely the limitation. If we could move at light speed we would still never reach 96% of the known universe because of it's rate of expansion, no matter how long are lives were.
Pm_me_some_green_tea t1_j22ufo0 wrote
Reply to comment by Phenotyx in Earth was brought to life by ancient water-rich asteroids from the outer Solar System by marketrent
My understanding is that even current volcanic eruption ejecta is 75% water