tksopinion
tksopinion t1_iwgn0y7 wrote
Reply to How many different companies now have built a rocket and used it to deliver anything or people to space (besides government organizations like NASA and the Russian equivalent)? by Courcy6185
The line for when space starts is arbitrary, but SpaceX, Blue Origin, and Virgin Galactic have all done it.
tksopinion t1_ixhdn98 wrote
Reply to What are good "starting" books by Res2710
Chasing New Horizons is really good. It’s about the Pluto mission.