User Woody

58 votes

1 answer

7k views

Do astronauts use plumber's bifocals?

asked Feb 7 at 5:18

22 votes

5 answers

6k views

Why are eclipses of the James Webb by the Earth or Moon not permitted during the mission?

asked Dec 3, 2021 at 18:40

21 votes

3 answers

3k views

Why are unused launch abort rockets jettisoned rather than used to augment thrust?

asked Jan 21, 2022 at 7:45

20 votes

1 answer

487 views

Has Buzz Aldrin’s Line-of-Sight rendezvous method ever been used?

asked Nov 15, 2021 at 19:07

17 votes

1 answer

2k views

Does "% Throttle" refer to fuel flow or thrust?

asked Dec 5, 2022 at 17:04

16 votes

1 answer

1k views

How does SpaceX plan to supply or recycle respiratory gasses?

asked Oct 22, 2021 at 4:57

15 votes

2 answers

2k views

How do the interferometers on the drag-free satellite LISA receive power without altering their geodesic trajectory?

asked May 1 at 17:14

14 votes

5 answers

4k views

Is 2001: A Space Odyssey's Discovery One still a plausible design for interplanetary travel?

asked Dec 3, 2022 at 3:59

14 votes

2 answers

2k views

Would a sufficiently deep cavern on Mars provide habitable temperature and atmospheric pressure? Was Dick Tracy wrong?

asked Jan 7, 2022 at 0:43

12 votes

1 answer

491 views

Why do EVA suits have legs?

asked Jan 14, 2022 at 18:57

12 votes

10 answers

3k views

Is there an elegant method to stop an asteroid's spin?

asked Oct 25, 2022 at 5:41

11 votes

2 answers

2k views

Is JWST Halo orbit prograde or retrograde and why?

asked Jan 18, 2022 at 2:07

11 votes

1 answer

1k views

Does NASA police urine production by astronauts?

asked Dec 14, 2021 at 17:10

11 votes

3 answers

2k views

During orbital rendezvous, at what distance and approach velocity does the transition from orbital mechanics to “boating around” occur?

asked Nov 15, 2021 at 6:32

10 votes

2 answers

383 views

Could Apollo's Sextant navigation use similar geometry as Marine Navigation?

asked Nov 30, 2021 at 18:05

10 votes

1 answer

222 views

How close can a spacecraft get to the Sun if it is limited solely by passive cooling?

asked Dec 31, 2022 at 5:58

9 votes

4 answers

2k views

“Parabolic”, suborbital and ballistic trajectories all follow elliptic paths. Is there a generic term for these trajectories?

asked Apr 29 at 16:01

8 votes

1 answer

163 views

Who was the first left handed astronaut (or cosmonaut) to orbit retrograde?

asked Apr 29 at 16:04

8 votes

2 answers

307 views

Question: By design, JWST cannot observe in the anti-sun direction. Is this due to Gegenschein backscatter?

asked Jan 3, 2022 at 3:50

7 votes

0 answers

164 views

New spin on laundry day: How will ISS cope with washing machine vibration and angular momentum?

asked Jan 16, 2022 at 21:56

7 votes

1 answer

1k views

Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO?

asked Apr 29 at 19:48

7 votes

4 answers

279 views

How to place a satellite in retrograde heliocentric orbit?

asked Dec 24, 2022 at 15:53

7 votes

2 answers

200 views

What is the optimum space junk to target for deorbiting?

asked Oct 30, 2022 at 17:00

6 votes

1 answer

284 views

What is the time sequence for SRB burn-out and separation?

asked Mar 31, 2022 at 16:14

6 votes

1 answer

393 views

How to attain an equatorial orbital inclination from a non-equatorial launch site?

asked Apr 6, 2022 at 2:49

6 votes

2 answers

369 views

Can JWST come in for a pit stop? Is the fuel supply on JWST adequate for a transfer to an Earth Moon libration point to allow repairs?

asked May 7, 2022 at 16:43

6 votes

1 answer

457 views

Question: Does JWST have hardware that could be used as a docking fixture by repair spacecraft?

asked Jan 20, 2022 at 19:03

6 votes

1 answer

410 views

JWST Halo Orbits for Dummies: can halo orbits be usefully approximated by Simple Harmonic Motion?

asked Jan 9, 2022 at 0:02

6 votes

1 answer

384 views

Why does the Buzz Aldrin Mars Cycler not play a larger role in planning for Mars exploration?

asked Nov 25, 2021 at 19:30

6 votes

1 answer

230 views

When the ISS is de-orbited, what is the likely mass of the largest impact fragment?

asked Nov 4, 2021 at 18:30

Stack Exchange Network

74 Questions

Do astronauts use plumber's bifocals?

Why are eclipses of the James Webb by the Earth or Moon not permitted during the mission?

Why are unused launch abort rockets jettisoned rather than used to augment thrust?

Has Buzz Aldrin’s Line-of-Sight rendezvous method ever been used?

Does "% Throttle" refer to fuel flow or thrust?

How does SpaceX plan to supply or recycle respiratory gasses?

How do the interferometers on the drag-free satellite LISA receive power without altering their geodesic trajectory?

Is 2001: A Space Odyssey's Discovery One still a plausible design for interplanetary travel?

Would a sufficiently deep cavern on Mars provide habitable temperature and atmospheric pressure? Was Dick Tracy wrong?

Why do EVA suits have legs?

Is there an elegant method to stop an asteroid's spin?

Is JWST Halo orbit prograde or retrograde and why?

Does NASA police urine production by astronauts?

During orbital rendezvous, at what distance and approach velocity does the transition from orbital mechanics to “boating around” occur?

Could Apollo's Sextant navigation use similar geometry as Marine Navigation?

How close can a spacecraft get to the Sun if it is limited solely by passive cooling?

“Parabolic”, suborbital and ballistic trajectories all follow elliptic paths. Is there a generic term for these trajectories?

Who was the first left handed astronaut (or cosmonaut) to orbit retrograde?

Question: By design, JWST cannot observe in the anti-sun direction. Is this due to Gegenschein backscatter?

New spin on laundry day: How will ISS cope with washing machine vibration and angular momentum?

Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO?

How to place a satellite in retrograde heliocentric orbit?

What is the optimum space junk to target for deorbiting?

What is the time sequence for SRB burn-out and separation?

How to attain an equatorial orbital inclination from a non-equatorial launch site?

Can JWST come in for a pit stop? Is the fuel supply on JWST adequate for a transfer to an Earth Moon libration point to allow repairs?

Question: Does JWST have hardware that could be used as a docking fixture by repair spacecraft?

JWST Halo Orbits for Dummies: can halo orbits be usefully approximated by Simple Harmonic Motion?

Why does the Buzz Aldrin Mars Cycler not play a larger role in planning for Mars exploration?

When the ISS is de-orbited, what is the likely mass of the largest impact fragment?