User Woody

56 votes

Accepted

Why aren't spacecraft and spacesuits pressurised to 2.5 psi (17 kPa) of pure oxygen?

answered Jan 3, 2022 at 17:13

42 votes

During spacecraft reentry why is heatshield side down the most stable orientation?

answered Dec 30, 2022 at 17:08

36 votes

Would a broken arm/ leg be more painful in zero gravity?

answered Dec 13, 2021 at 19:34

34 votes

Accepted

Why do the walls of a solid rocket booster not glow red hot?

answered Oct 27, 2022 at 14:43

31 votes

Why aren't the radiators on the ISS straight?

answered Mar 27 at 23:14

30 votes

What stages of distress occur to a person when there is a small hull breach in space?

answered Apr 27 at 5:08

29 votes

Could a human in a spacesuit survive a Skycrane landing on Mars?

answered Aug 23, 2022 at 16:19

28 votes

Shouldn't space junk fall back to Earth on its own? How long will take for a ~1 cm piece of junk in LEO to fall back to Earth on its own for example?

answered Nov 30, 2021 at 23:20

24 votes

Accepted

Why is Artemis 1 swinging well out of the plane of the moon's orbit on its return to Earth?

answered Dec 6, 2022 at 1:38

23 votes

JWST - Why unfurl before reaching L2?

answered Jan 21, 2022 at 20:05

23 votes

Were any of the Apollo astronauts smokers and did that cause any problems?

answered Jan 23 at 16:30

22 votes

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Can an ISS module survive reentry?

answered Nov 9, 2021 at 3:22

22 votes

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Is there any evidence from previous missions to asteroids that said asteroids have minable minerals?

answered Nov 23, 2022 at 22:17

21 votes

Could the James Webb Resolve Earth?

answered Dec 1, 2022 at 4:27

21 votes

Why did a solar eclipse of the sun as seen from Apollo 11 appear to have an elliptical corona?

answered Jan 6, 2022 at 1:29

19 votes

Accepted

What is the equation that relates delta v of a rocket to time taken to complete an orbit?

answered Dec 16, 2021 at 4:14

19 votes

How much does it cost to return 1 kg from the ISS to the Earth? What are the parameters influencing this price?

answered Jan 1 at 23:30

18 votes

Accepted

How can you make a rocket quieter?

answered Feb 27 at 10:40

16 votes

Accepted

How high is the ISP of a fire extinguisher

answered Jan 8 at 17:11

13 votes

Spacesuit with no thermal insulation. Would person inside freeze or overheat?

answered Dec 17, 2022 at 1:08

12 votes

Why is the Orion capsule using 2 burns to transfer from the moon back to earth instead of one?

answered Dec 4, 2022 at 4:45

12 votes

Could a space elevator launch a payload to a solar orbit?

answered Nov 18, 2022 at 1:42

12 votes

How will JWST come to rest at L2?

answered Dec 31, 2021 at 23:00

11 votes

Accepted

What are the characteristics of JWST's orbit around L2?

answered Jan 7, 2022 at 22:38

11 votes

Why is the hot part of Webb's MIRI cryocooler in the 300K area?

answered Sep 2, 2022 at 5:40

10 votes

Help with fictional scenario: trapped in Lagrange Point orbit

answered Jan 5 at 12:49

10 votes

Is an orbital insertion burn part of any launch from earth

answered Nov 8, 2021 at 5:40

10 votes

If we pick any point on the moon (except possibly the poles), is the sun visible for 13.66 days, and then not visible for 13.66 days?

answered Nov 21, 2021 at 7:20

9 votes

If you release a tool outside the ISS in space will it remain at the "same" place forever?

answered Nov 1, 2021 at 17:43

9 votes

Do other planets and moons share Earth’s mineral diversity?

answered Nov 1, 2021 at 19:16

Stack Exchange Network

173 Answers

Why aren't spacecraft and spacesuits pressurised to 2.5 psi (17 kPa) of pure oxygen?

During spacecraft reentry why is heatshield side down the most stable orientation?

Would a broken arm/ leg be more painful in zero gravity?

Why do the walls of a solid rocket booster not glow red hot?

Why aren't the radiators on the ISS straight?

What stages of distress occur to a person when there is a small hull breach in space?

Could a human in a spacesuit survive a Skycrane landing on Mars?

Shouldn't space junk fall back to Earth on its own? How long will take for a ~1 cm piece of junk in LEO to fall back to Earth on its own for example?

Why is Artemis 1 swinging well out of the plane of the moon's orbit on its return to Earth?

JWST - Why unfurl before reaching L2?

Were any of the Apollo astronauts smokers and did that cause any problems?

Can an ISS module survive reentry?

Is there any evidence from previous missions to asteroids that said asteroids have minable minerals?

Could the James Webb Resolve Earth?

Why did a solar eclipse of the sun as seen from Apollo 11 appear to have an elliptical corona?

What is the equation that relates delta v of a rocket to time taken to complete an orbit?

How much does it cost to return 1 kg from the ISS to the Earth? What are the parameters influencing this price?

How can you make a rocket quieter?

How high is the ISP of a fire extinguisher

Spacesuit with no thermal insulation. Would person inside freeze or overheat?

Why is the Orion capsule using 2 burns to transfer from the moon back to earth instead of one?

Could a space elevator launch a payload to a solar orbit?

How will JWST come to rest at L2?

What are the characteristics of JWST's orbit around L2?

Why is the hot part of Webb's MIRI cryocooler in the 300K area?

Help with fictional scenario: trapped in Lagrange Point orbit

Is an orbital insertion burn part of any launch from earth

If we pick any point on the moon (except possibly the poles), is the sun visible for 13.66 days, and then not visible for 13.66 days?

If you release a tool outside the ISS in space will it remain at the "same" place forever?

Do other planets and moons share Earth’s mineral diversity?