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)? Submitted by Courcy6185 t3_yvyci3 on November 15, 2022 at 2:11 PM in space 20 comments 9
Do 2 objects on opposite "ends" of the universe pull on each other to some extremely minute degree? Submitted by Courcy6185 t3_y5j0tq on October 16, 2022 at 3:04 PM in space 66 comments 24