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WOW 6EQUJ5
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14 votes
2 answers
1k views

How does SpaceX plan to deal with possible methane buildup around Starship?

12 votes
3 answers
2k views

How does “space weather” cause reaction wheel failure?

11 votes
1 answer
2k views

What is the danger of creating micrometeorite clouds orbiting the Moon by constantly landing spacecrafts on its surface?

11 votes
3 answers
2k views

Is the life support system on ISS and other used manned spacecrafts fully redundant?

8 votes
1 answer
378 views

Has methylsilane (CH₆Si) ever been considered as fuel in rocketry?

6 votes
1 answer
320 views

What was the influence of the military in the decision to use kerosene as fuel for LOX?

6 votes
2 answers
245 views

Is additive manufacturing ever tested in space or are there some future missions which plan to do so?

6 votes
0 answers
275 views

Why Russian rockets do not employ a true Range Safety Officer (RSO) destruct system?

4 votes
1 answer
197 views

What are the cutting edge materials & strategies which could be used for radiation shielding on long-duration missions?

3 votes
1 answer
317 views

Can a strong magnetic field be used to propel a spacecraft towards Mars and outer planets in Solar system?

3 votes
1 answer
1k views

Rockoon on steroids

3 votes
3 answers
425 views

Is there any practical application of trinitramide N(NO2)3 in rocket propellants

3 votes
1 answer
533 views

Will SpaceX Starship have launch abort system? [duplicate]

3 votes
1 answer
218 views

Do pulse detonation rocket engines require any type of nozzle?

2 votes
1 answer
172 views

Combination of fuel cells and electric motors - whether it has been used as part of an electric pump-fed engines?

1 vote
1 answer
159 views

What are the economic parameters (market share, return of investment, etc.) of the private sector in the global space economy?

1 vote
1 answer
94 views

What is the maximum payload in terms of mass delivered to LEO by launch vehicle which used pressure fed cycle in all stages?

1 vote
0 answers
118 views

What is the limit to which we can scale up uniformly in all directions Space Shuttle SRB before it becomes unable to take off?

0 votes
0 answers
51 views

Which of the upcoming space missions has the greatest chance of proving the existence of life on exoplanets?