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Top Questions

1 vote
0 answers
40 views

How are solid rocket propellants stored?

5 votes
3 answers
2k views

Reducing required length of a mass driver using loop?

3 votes
0 answers
50 views
+100

Are there any plans to carry out more parallax observations using New-Horizons?

-1 votes
0 answers
107 views

Orbital Mechanics code not working [closed]

16 votes
2 answers
4k views

How do cables and cooling lines transverse the pressure hull of the International Space Station?

5 votes
2 answers
1k views

Is the set of software and hardware of modern attitude control systems exhaustive?

5 votes
3 answers
105 views

Satellite slew rate with respect to a ground station

2 votes
0 answers
89 views

Was the July 29th EVA cancelled?

5 votes
2 answers
2k views

How do satellite trackers work when showing a "satellite"?

3 votes
1 answer
112 views

Why does an expendable Starship launch cost only $100 million?

1 vote
0 answers
28 views

Accuracy of MRO ephemeris

-1 votes
1 answer
75 views

How much energy is used for a Starship launch? [duplicate]

8 votes
1 answer
2k views

Can Falcon Heavy be used as a temporary replacement for the Falcon 9?

8 votes
1 answer
520 views

Has Blue Origin carried out any flight or landing tests of the New Glenn first stage?

5 votes
1 answer
160 views

What does Paul Birch mean by kg * s^-1 * kg^-1?

6 votes
1 answer
286 views

Why don't rocket engines use heat tiles on the inside?

3 votes
2 answers
2k views

Has a rocket engine ever been reused by a second/third stage

4 votes
0 answers
50 views

GMAT Lambert problem

3 votes
0 answers
174 views

What caused the LOX leak on Falcon 9?

4 votes
0 answers
183 views

Why did Starship lose an engine on IFT-4?

3 votes
2 answers
92 views

What's the numeral name of the recently launched Starlink satellites and where can I track them?

3 votes
4 answers
4k views

What's the point of Dream Chaser?

6 votes
1 answer
207 views

Are there any video/audio recordings of the launch of sputnik 1?

4 votes
1 answer
1k views

Does it make sense to use a skyhook to launch and deorbit mega-satellite constellations now?

4 votes
1 answer
151 views

What are the tradeoffs in propellant choices for ion/electric based engines?

14 votes
1 answer
3k views

How will the ISS be decommissioned?

1 vote
1 answer
366 views

If the Van Allen Radiation Belt reaches temperatures of 35,000C, How is it possible to go through them when the craft has a boiling point of 4000C? [closed]

9 votes
1 answer
192 views

Does an interplanetary trajectory exist to escape the Solar System and impact the Sun "simultaneously"?

3 votes
1 answer
184 views

Would it be possible to create a relatively permanent Kessler syndrome event in interplanetary space between Earth and Venus?

3 votes
2 answers
977 views

What is the value of air anisotropy?

4 votes
1 answer
1k views

Are all Starship/Super Heavy "cylinders" 4mm thick?

-2 votes
2 answers
156 views

Is perceived weightlessness greater in orbit due to constantly falling?

9 votes
3 answers
2k views

Could space habitats have large transparent roofs?

2 votes
3 answers
181 views

Open air dock to space in a rotating space station?

6 votes
2 answers
3k views

Could Kessler Syndrome be used to control the temperature of the Earth?

7 votes
1 answer
396 views

TWR of near-term NTR engines

3 votes
3 answers
224 views

Does human sensitivity to radiation impose a maximum distance on interstellar voyages regardless of radiation shielding or speed?

5 votes
1 answer
133 views

What's the theoretical dV of the SNAP-10A satellite?

0 votes
1 answer
78 views

Does the size of a black hole increase with mass? [closed]

3 votes
1 answer
122 views

Is it possible to easily change the inclination when using momentum exchange tethers?

0 votes
2 answers
108 views

Could there be a difference to the human body between Low Earth Orbit “zero G” microgravity and midway between planets weak gravitational fields?

4 votes
1 answer
126 views

What is the dark brown gas emission seen during the ascent of Starship?

3 votes
1 answer
149 views

What is the lift to drag ratio of Starship?

2 votes
0 answers
57 views

Technical Question on Ignition Back Pressure

1 vote
1 answer
183 views

Electricity used by Falcon 9

-2 votes
1 answer
77 views

How much propellent is vaporized to pressurize the Starship and Super Heavy tanks?

0 votes
1 answer
134 views

Starlink Satellites launching by SpaceX

2 votes
0 answers
95 views

Is Starship monocoqué?


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