uhoh
  • Member for 6 years, 1 month
  • Last seen this week
  • Taipei, Earth
5 answers
24 votes
2k views
2 bookmarks
Why is the Pressurized Mating Adapter slanted?
4 answers
37 votes
15k views
12 bookmarks
Effect of atmospheric drag on rocket launches and benefits of high altitude launch sites
3 answers
9 votes
4k views
2 bookmarks
How do we come up with the gravity assist (or slingshot) formula?
1 answers
23 votes
1k views
3 bookmarks
What landings beyond Mars and the Moon are scheduled?
3 answers
14 votes
1k views
2 bookmarks
Is there an intuitive reason for why the shape of the orbit at perigee is the mirror image of that at the apogee?
1 answers
32 votes
12k views
3 bookmarks
What are the procedures aboard the ISS in the eventuality of a loss of a crew member?
2 answers
15 votes
1k views
1 bookmarks
If we could send an orbiter to the Pluto-Charon system, could we put it in a stable orbit?
2 answers
8 votes
1k views
2 bookmarks
Where/how do I view the Chang'e 2 lunar map?
3 answers
20 votes
20k views
2 bookmarks
Apollo communication between the Earth and Moon
2 answers
4 votes
408 views
1 bookmarks
How should the ISS telemetry for attitude be converted to roll, pitch, and yaw?
2 answers
4 votes
10k views
1 bookmarks
What is the maximum speed an ion engine can propel a spacecraft at?
2 answers
2 votes
465 views
1 bookmarks
Is the speed of the Voyager probes accurately described by Newton's or Einstein's theories?
1 answers
10 votes
466 views
3 bookmarks
Could Rosetta have been awakened from Earth if necessary?
2 answers
7 votes
1k views
4 bookmarks
Barriers to launching a cubesat
2 answers
6 votes
726 views
1 bookmarks
How does a thermal control system of a spacecraft basicaly work?
3 answers
11 votes
2k views
1 bookmarks
Longest continuous burning chemical rocket engine?
4 answers
16 votes
10k views
2 bookmarks
Was Hubble really related to spy satellites?
4 answers
18 votes
4k views
3 bookmarks
SpaceX first stage landing: Why not use an elevated net above the landing platform to catch the rocket?
2 answers
24 votes
33k views
6 bookmarks
Launch Accelerations: Values, history
4 answers
13 votes
1k views
2 bookmarks
What was the reason for an odd number of astronauts in almost every group of the early US space program?
2 answers
16 votes
3k views
6 bookmarks
Nuances of the terms (mean / osculating / Keplerian / orbital) elements
4 answers
29 votes
8k views
1 bookmarks
Can either Opportunity or Curiosity explore the state of Spirit?
3 answers
16 votes
2k views
3 bookmarks
Why would a mission to Sun-Earth L1 have an instantaneous launch window?
2 answers
8 votes
2k views
2 bookmarks
Lunar Free Return Trajectory Simulation
2 answers
6 votes
171 views
1 bookmarks
What is being shown on August 27th from the NOAA ACE satellite?
1 answers
11 votes
2k views
1 bookmarks
Is there any compiler available for HAL/S?
4 answers
12 votes
20k views
7 bookmarks
Converting Orbital Elements to Cartesian State Vectors
4 answers
28 votes
19k views
5 bookmarks
Is the SLS irrelevant if the Falcon Heavy launch is successful this year?
3 answers
11 votes
1k views
3 bookmarks
A spacecraft leaves Earth exactly with escape velocity V2 - what trajectory it will have in Solar System?
4 answers
91 votes
16k views
13 bookmarks
How did Apollo 16 capture this full photograph of the Moon's far side?
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