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uhoh
  • Member for 8 years, 4 months
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  • Taipei, Earth

566 Offered bounties for 70,250 reputation

-1 votes
0 answers
65 views
+100

Recorded EM frequencies for deep impact experiment

5 votes
3 answers
649 views
+100

Most fuel-efficient deorbit from geostationary

5 votes
0 answers
168 views
+200

What are the largest distances between two spacecraft that have been determined to a meter or so accuracy? How were these done?

2 votes
0 answers
184 views
+100

How many bubble levels have been used in space? Were any of them used some place besides the Moon?

4 votes
2 answers
260 views
+200

What is this complicated experimental apparatus being pulled out of another complicated apparatus inside the ISS?

8 votes
1 answer
1k views
+100

Which astronaut has experienced the largest relativistic shift in time (relative to Earth's surface)?

5 votes
1 answer
368 views
+100

Why does this "Midas missile early warning satellite" have a tilting cone with such a complex black-and-white checkerboard pattern?

2 votes
1 answer
114 views
+100

How will the RADARSAT Constellation Mission (RCM) satellites achieve their final orbital spacing?

3 votes
1 answer
92 views
+100

Why exactly did SOLRAD 1 have a magnet? Why weren't its interactions with Earth's magnetic field anticipated?

4 votes
1 answer
324 views
+100

What is the nature of the sextant tests on the ISS for Orion cis-lunar emergency navigation?

3 votes
2 answers
256 views
+100

How are Interplanetary Transport Network/Weak Stability Boundary paths calculated?

4 votes
1 answer
198 views
+100

How did 20 radio observatories track balloons of the 1985 Venus-Halley (VeGa) mission in Venus' superrotating winds at an altitude of about 54 km?

4 votes
2 answers
260 views
+100

What is this complicated experimental apparatus being pulled out of another complicated apparatus inside the ISS?

2 votes
2 answers
268 views
+200

What kinds of activities experiment and procedures done on the ISS must be done in nominal-pressure chambers that need to be vented to space?

4 votes
4 answers
461 views
+100

Alternative small mass payload transportation from the moon to L5 besides rail gun and mass driver?

4 votes
1 answer
238 views
+200

How will NASA's software for autonomous navigation in cis-lunar space be tested; what information is processed, what outputs evaluated?

3 votes
0 answers
191 views
+100

Are there examples of spaceflight equipment being redesigned to remove right hand bias? (To make it less difficult to use left-handed)

4 votes
1 answer
249 views
+100

what kind of valves are used in payload fairing for venting?

2 votes
0 answers
263 views
+100

First instance of a frangible nut in space? Which space-nut was first successfully "franged"?

5 votes
1 answer
140 views
+100

What "unique control system" modulated GOCE's thrust to compensate for variable atmospheric drag? How did it know how to modulate it?

3 votes
2 answers
269 views
+100

Has Demonstrator-1 2021-006BX demonstrated a hydrogen-oxygen combustion engine fueled by electrolysis yet?

2 votes
1 answer
125 views
+100

Will Cygnus do anything special when it "looses its NACHOS"?

4 votes
1 answer
242 views
+100

What i̶s̶ was InSight's one-sol energy budget on a good day?

1 vote
0 answers
96 views
+100

How does the Gpredict software algorithm track satellites?

2 votes
1 answer
283 views
+100

Why was the ITS concept downscaled?

36 votes
2 answers
980 views
+100

Does anyone recognise this differential equation (from Gravity's Rainbow)?

4 votes
0 answers
128 views
+100

Atomic oxygen and UV Radiation qualification tests for a cubesat

0 votes
3 answers
486 views
+200

Images of Starry night sky (maybe with milky way galaxy) from the Moon?

4 votes
1 answer
150 views
+100

Geo satellite - antenna gain contours to heat map in STK

0 votes
3 answers
486 views
+100

Images of Starry night sky (maybe with milky way galaxy) from the Moon?

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