User The Rocket fan

29 votes

3 answers

6k views

Were any of the Apollo astronauts smokers and did that cause any problems?

asked Jan 23 at 5:43

29 votes

3 answers

7k views

Why did the Soviet Union decide to use 33 small engines instead of a few large ones on the N1?

asked Jan 23 at 5:54

23 votes

4 answers

6k views

What is SpaceX doing differently with Starship to avoid it exploding like the N1?

asked Jan 24 at 5:48

21 votes

4 answers

5k views

Why are only 2 out of the 3 boosters on Falcon Heavy reused?

asked Nov 1, 2022 at 11:39

20 votes

1 answer

7k views

Why was there a minimum height for astronauts?

asked Jan 11 at 13:49

18 votes

5 answers

11k views

Why doesn’t NASA build its rockets using graphene?

asked May 10, 2022 at 14:03

15 votes

2 answers

4k views

What will now happen with Hubble?

asked Jul 14, 2022 at 12:56

15 votes

1 answer

3k views

Is it possible to turn rockets without fuel just like in KSP

asked Jul 28, 2022 at 12:06

15 votes

2 answers

3k views

How high is the ISP of a fire extinguisher

asked Jan 8 at 12:50

13 votes

1 answer

4k views

How does NASA have permission to test a nuclear engine?

asked Jan 25 at 6:45

11 votes

1 answer

4k views

Why is the new Artemis suit orange?

asked Nov 16, 2022 at 6:13

10 votes

2 answers

3k views

What does the Ariane 5 rocket use to turn?

asked Jul 31, 2022 at 16:41

10 votes

3 answers

3k views

How can you make a rocket quieter?

asked Feb 27 at 6:32

6 votes

1 answer

861 views

Will Starship get refueled in Mars orbit?

asked Aug 20, 2022 at 13:06

5 votes

2 answers

349 views

Would it be practical to fly a probe to Mars using gravitational assistance from Venus?

asked Jun 26, 2022 at 19:01

3 votes

1 answer

350 views

How much would it cost to build Megaroc?

asked Jul 7, 2022 at 11:38

3 votes

4 answers

264 views

Could a third stage be added to Starship?

asked Sep 4, 2022 at 20:09

3 votes

1 answer

149 views

Which programs are used to calculate delta V and launch dates to get to other objects?

asked Aug 3, 2022 at 12:03

3 votes

3 answers

221 views

What is this water explosion under my rocket?

asked Oct 18, 2022 at 4:53

3 votes

0 answers

130 views

Does Copenhagen Suborbital have any plans for what they will do after they fly a human into space?

asked Nov 7, 2022 at 5:46

3 votes

1 answer

118 views

Has Spacex released any reports describing how they are going to secure the payload on Starship?

asked Mar 13 at 5:55

2 votes

1 answer

143 views

Will there be a flame around the capsule from Stoke Space Technologies during reentery?

asked Feb 13 at 6:07

2 votes

1 answer

164 views

How high can New Shepard fly?

asked Nov 21, 2022 at 5:42

2 votes

0 answers

103 views

Will the passengers aboard Spaceship Neptune get rewarded?

asked Nov 25, 2022 at 5:58

2 votes

2 answers

324 views

Why doesn’t SpaceX use Falcon Heavy to launch Starlink satellites?

asked Sep 19, 2022 at 12:08

2 votes

0 answers

113 views

What is the optimal acceleration for a direct ascent to the moon? [duplicate]

asked Sep 27, 2022 at 17:35

2 votes

2 answers

211 views

Was it possible for the Chinese to send a rocket using gunpower past the Karman line?

asked Aug 1, 2022 at 10:12

2 votes

0 answers

170 views

Is electric propulsion feasible for human spaceflight?

asked May 5, 2022 at 10:45

2 votes

1 answer

228 views

How much delta V did the V2 have?

asked Jul 28, 2022 at 18:56

2 votes

2 answers

238 views

Would this idea of a water rocket to pass the Karman line work?

asked Jul 30, 2022 at 10:25

Stack Exchange Network

43 Questions

Were any of the Apollo astronauts smokers and did that cause any problems?

Why did the Soviet Union decide to use 33 small engines instead of a few large ones on the N1?

What is SpaceX doing differently with Starship to avoid it exploding like the N1?

Why are only 2 out of the 3 boosters on Falcon Heavy reused?

Why was there a minimum height for astronauts?

Why doesn’t NASA build its rockets using graphene?

What will now happen with Hubble?

Is it possible to turn rockets without fuel just like in KSP

How high is the ISP of a fire extinguisher

How does NASA have permission to test a nuclear engine?

Why is the new Artemis suit orange?

What does the Ariane 5 rocket use to turn?

How can you make a rocket quieter?

Will Starship get refueled in Mars orbit?

Would it be practical to fly a probe to Mars using gravitational assistance from Venus?

How much would it cost to build Megaroc?

Could a third stage be added to Starship?

Which programs are used to calculate delta V and launch dates to get to other objects?

What is this water explosion under my rocket?

Does Copenhagen Suborbital have any plans for what they will do after they fly a human into space?

Has Spacex released any reports describing how they are going to secure the payload on Starship?

Will there be a flame around the capsule from Stoke Space Technologies during reentery?

How high can New Shepard fly?

Will the passengers aboard Spaceship Neptune get rewarded?

Why doesn’t SpaceX use Falcon Heavy to launch Starlink satellites?

What is the optimal acceleration for a direct ascent to the moon? [duplicate]

Was it possible for the Chinese to send a rocket using gunpower past the Karman line?

Is electric propulsion feasible for human spaceflight?

How much delta V did the V2 have?

Would this idea of a water rocket to pass the Karman line work?