User Anthony X

4 votes

Can Voyager 1 reach the Andromeda Galaxy?

answered Nov 13, 2021 at 22:41

8 votes

What exactly is the rockoon niche? When are they preferable to normal rockets and vice versa? When ought rockoons to be used?

answered Mar 9, 2021 at 15:39

3 votes

Accepted

Are we sending data for extraterrestrial SETI/METI?

answered Nov 23, 2020 at 23:21

5 votes

Could a steam engine work on the moon?

answered Jul 26, 2020 at 21:30

4 votes

Accepted

What would happen if you jumped out of a moving spacecraft?

answered May 30, 2020 at 16:12

28 votes

Is it possible to create a relativistic space probe going at least 0.1c with present day technology?

answered Apr 9, 2020 at 0:51

0 votes

Why does launching east result in an orbital inclination equal to the latitude of the launch site?

answered Jan 15, 2020 at 1:46

4 votes

Do they actually regularly send out people with space ships to spacewalk out and fix broken satellites?

answered Dec 19, 2019 at 19:07

98 votes

Is it possible for a moon to have a higher surface gravity than the planet it is attached to?

answered Dec 2, 2019 at 16:30

3 votes

Why did Saturn V not head straight to the moon?

answered Nov 30, 2019 at 17:45

1 vote

What is the gravitational acceleration of the Sun?

answered Nov 18, 2019 at 22:10

0 votes

Is there a crewed moon lander currently (March 2019) in the works

answered Nov 16, 2019 at 17:32

4 votes

How does a Spacecraft change its orbit?

answered Oct 29, 2019 at 2:39

3 votes

Why are there no more manned missions to the Moon?

answered Oct 19, 2019 at 18:41

8 votes

If a spaceship ran out of fuel somewhere in space between Earth and Mars, does it slowly drift off to the Sun?

answered Sep 23, 2019 at 2:42

4 votes

Accepted

Magnetic force-driven propulsion system for an interplanetary/interstellar spacecraft

answered Aug 25, 2019 at 15:44

3 votes

How do jetpacks work in space?

answered Aug 20, 2019 at 0:33

13 votes

Did von Braun have "a thing" for fins? Why did Saturn I block 2 get fins because it's a "von Braun" rocket?

answered Aug 18, 2019 at 14:49

4 votes

How is foot-pounds of energy defined?

answered Aug 5, 2019 at 22:03

4 votes

Why is the Apollo LEM ladder so far from the ground?

answered Jul 30, 2019 at 0:01

3 votes

Would a self-winding watch work in space without gravity?

answered May 25, 2019 at 14:50

2 votes

What is the most popular programming language in space?

answered Apr 28, 2019 at 18:01

47 votes

Accepted

Why aren't air breathing engines used as small first stages?

answered Apr 16, 2019 at 1:38

2 votes

Why SpaceX have the T+0 second in the countdown while the Space Shuttle 'skip' the T+0 second?

answered Apr 14, 2019 at 21:44

1 vote

Would a grinding machine be a simple and workable propulsion system for an interplanetary spacecraft?

answered Mar 31, 2019 at 19:04

1 vote

What if the Shuttle went straight up?

answered Mar 16, 2019 at 14:49

8 votes

Cheapest rocket to go to space?

answered Feb 23, 2019 at 21:24

1 vote

Pumped propellant propulsion - is it viable?

answered Feb 18, 2019 at 17:07

2 votes

Apollo Missions - Travel time to moon

answered Feb 17, 2019 at 20:42

4 votes

How do we know the Apollo Moon landings are real?

answered Oct 17, 2018 at 0:56

Stack Exchange Network

102 Answers

Can Voyager 1 reach the Andromeda Galaxy?

What exactly is the rockoon niche? When are they preferable to normal rockets and vice versa? When ought rockoons to be used?

Are we sending data for extraterrestrial SETI/METI?

Could a steam engine work on the moon?

What would happen if you jumped out of a moving spacecraft?

Is it possible to create a relativistic space probe going at least 0.1c with present day technology?

Why does launching east result in an orbital inclination equal to the latitude of the launch site?

Do they actually regularly send out people with space ships to spacewalk out and fix broken satellites?

Is it possible for a moon to have a higher surface gravity than the planet it is attached to?

Why did Saturn V not head straight to the moon?

What is the gravitational acceleration of the Sun?

Is there a crewed moon lander currently (March 2019) in the works

How does a Spacecraft change its orbit?

Why are there no more manned missions to the Moon?

If a spaceship ran out of fuel somewhere in space between Earth and Mars, does it slowly drift off to the Sun?

Magnetic force-driven propulsion system for an interplanetary/interstellar spacecraft

How do jetpacks work in space?

Did von Braun have "a thing" for fins? Why did Saturn I block 2 get fins because it's a "von Braun" rocket?

How is foot-pounds of energy defined?

Why is the Apollo LEM ladder so far from the ground?

Would a self-winding watch work in space without gravity?

What is the most popular programming language in space?

Why aren't air breathing engines used as small first stages?

Why SpaceX have the T+0 second in the countdown while the Space Shuttle 'skip' the T+0 second?

Would a grinding machine be a simple and workable propulsion system for an interplanetary spacecraft?

What if the Shuttle went straight up?

Cheapest rocket to go to space?

Pumped propellant propulsion - is it viable?

Apollo Missions - Travel time to moon

How do we know the Apollo Moon landings are real?