Top Questions

3 votes
1 answer
34 views

Can the equipment behind panels of Russian ISS modules be reconfigured like the US modules?

1 vote
1 answer
44 views

Feasibility of landing all 3 Cores of the Falcon Heavy on Droneships

1 vote
0 answers
28 views

Will a human mission to Mars require the spacecraft to have artificial gravity?

0 votes
1 answer
42 views

Feasibility of landing Starship's Super Heavy booster on a droneship

22 votes
5 answers
8k views

What is SpaceX doing differently with their Falcon 9 so that it doesn't cost as much as the Space Shuttle?

18 votes
7 answers
7k views

Why do scientists use specialized units for distance when metric units are perfectly adequate?

1 vote
1 answer
54 views

How to find out details on which country owns how many GEO stationary orbital slots

0 votes
1 answer
90 views

Star Tracker Absolute Accuracy

1 vote
2 answers
115 views

How can one terraform Mercury?

0 votes
1 answer
64 views

Landing Zones 1 and 2 in Cape Canaveral and yet launching from KSC?

0 votes
1 answer
121 views

How much deltaV would it take to launch from the top of mount Everest straight up then circularize at 200km once in space?

0 votes
0 answers
45 views

Discrepancy between Keplerian Elements and real orbits? [closed]

4 votes
1 answer
688 views

Why is this satellite's solar panel oscillating?

2 votes
1 answer
84 views

Is it possible to change a satellite's eccentricity without changing semimajor axis (instantaneous maneuver paradigm)? What else needs to "give"?

6 votes
2 answers
1k views

What are the parameters of the Voyager high-gain antenna?

4 votes
1 answer
232 views

Unable to find Incident Report for aborted launch of first Shuttle flight

4 votes
1 answer
190 views

Theoretical viability of a liquid rocket engine concept [closed]

3 votes
0 answers
84 views

How can I calculate the altitude my waterrocket will fly with a certain amount of pressure?

0 votes
0 answers
16 views

Example using NASA GMAT to model a sounding rocket launch

1 vote
0 answers
32 views

Thrust Impulse graph for specific engine type

1 vote
0 answers
45 views

Two line element. Change epoch to epoch year and Julian day fraction [duplicate]

9 votes
1 answer
1k views

Why is there no difference between a transfer orbit delta-V and a capture orbit delta-V for Earth?

2 votes
0 answers
56 views

What are some best practices for coding a satellite orbit propagator and ground track plotter?

2 votes
1 answer
81 views

Radial hyperbolic trajectories

11 votes
2 answers
3k views

Why are nitric acid and hydrogen combinations not used as rocket fuel?

3 votes
1 answer
133 views

What are the likely issues and challenges in developing LTC: Coordinated Lunar Time?

13 votes
1 answer
1k views

Has a mockup/analysis of the Ingenuity 'bad landing' been created/posted?

1 vote
1 answer
199 views

Could we make space roads? Like a space elevator between planets?

1 vote
2 answers
249 views

What happened to the Atlantis Project?

2 votes
0 answers
20 views

Extract GPS navigation messages from a RINEX navigation file

-1 votes
0 answers
55 views

Can infrastructure for generating a protective artificial magnetic field around a planet also be used to propel nearby spacecraft?

1 vote
0 answers
33 views

What is the order of magnitude of perturbing forces in a lunar orbit in relation to the orbital altitude?

8 votes
2 answers
2k views

Has any vehicle prior to Starship's IFT3 "taken a selfie" during reentry?

0 votes
0 answers
26 views

How do I programmatically change the GMAT Mission Sequence?

4 votes
1 answer
317 views

How feasible is dragging a 1 km asteroid into Mars orbit? (For All Mankind Spoiler Alert)

1 vote
0 answers
37 views

Is anyone using TDRSS for tracking data?

12 votes
2 answers
4k views

Could a deadly fire start within a spacesuit?

10 votes
1 answer
1k views

How much will NASA save by shutting down the Chandra X-Ray Observatory?

5 votes
1 answer
160 views

Has SpaceX attempted to recover wreckage from its Starship launches?

1 vote
1 answer
55 views

change epoch to ( epoch year and Juilan day fraction )

2 votes
0 answers
86 views

How to calculate the ascending and descending node, as well as the true anomaly

0 votes
1 answer
122 views

Why are the service modules on Crew Dragon and Starliner expended after every flight?

9 votes
2 answers
2k views

Is there any satellite that uses LOX as oxidizer?

1 vote
1 answer
116 views

Why did SpaceX decide to change their Starship names from SN to just S?

4 votes
0 answers
62 views

Would a ice core samples taken on the Moon provide us with information about the past that we cannot easily obtain in other ways?

10 votes
1 answer
936 views

Did IFT 3's Starship attempt re-entry with its payload bay door open?

0 votes
0 answers
31 views

In the context of delta-V budgets, what does C3 = 0 mean? [duplicate]

2 votes
0 answers
35 views

How to determine Euler parameters?


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