User ikrase - Space Exploration Stack Exchange

33 votes

4 answers

13k views

Was the Space Shuttle ever actually intended for the military to steal satellites without the owner's consent?

asked Mar 2, 2020 at 1:45

29 votes

2 answers

5k views

Ultimate fate of rocket propellant in space?

asked Mar 28, 2022 at 5:09

28 votes

7 answers

6k views

Curiosity and Perseverance landing - with so much dust blown everywhere, what's the point of the skycrane?

asked Feb 28, 2021 at 10:04

24 votes

1 answer

6k views

What actually is RP-1, and how is it different from any other hydrocarbon liquid fuel?

asked Apr 8, 2020 at 6:34

22 votes

3 answers

3k views

How dangerous are RCS thrusters?

asked Feb 28, 2020 at 7:53

17 votes

2 answers

479 views

Has NASA ever included a ground controller or astronaut becoming insane/irrational/uncooperative in a training simulation?

asked Aug 3, 2020 at 3:17

14 votes

3 answers

3k views

Why do many RTGs have finned heatsinks, when this is considered bad for radiation heat transfer?

asked May 23, 2020 at 10:17

14 votes

3 answers

894 views

Can I make a completely ITAR-free spaceship?

asked May 1, 2020 at 1:44

10 votes

1 answer

633 views

Why so many laptops on the ISS?

asked Apr 20, 2020 at 19:48

9 votes

1 answer

555 views

How actually dangerous was RTLS for the Space Shuttle?

asked Jan 21 at 0:25

8 votes

2 answers

686 views

Can I release rocket plans or software under open-source licensing without running afoul of ITAR?

asked May 2, 2020 at 22:23

7 votes

6 answers

814 views

Has any rocket been launched into orbit from a plain flat surface?

asked Jun 9, 2020 at 8:50

7 votes

1 answer

245 views

Do any spacesuit designs (including prototypes, conceptual, etc) use radiators rather than open-loop cooling?

asked Apr 24, 2020 at 9:08

7 votes

1 answer

1k views

Why is RP-1 dyed red?

asked Apr 19, 2020 at 16:10

7 votes

1 answer

304 views

Is there a rule of thumb for the mass of thermal protection systems?

asked Jan 29, 2020 at 10:11

7 votes

2 answers

1k views

Is the propulsion for the Scorpion nuclear-thermal-electric ship concept viable and credible?

asked Sep 2, 2020 at 5:31

7 votes

1 answer

271 views

Burning Up Hydrazine and N2O4 for Safety

asked Dec 10, 2020 at 5:18

6 votes

2 answers

515 views

Hydrocarbon + Nitrous Oxide: Is this a "friendly" alternative propellant system to hydrazine and NTO?

asked Feb 28, 2020 at 8:18

6 votes

0 answers

291 views

Are DUMBO, TIMBERWIND, and other high-thrust NTRs realistically going to deliver on promises of very high thrust/weight?

asked Dec 6, 2019 at 10:16

6 votes

1 answer

261 views

What's up with the lack of subminiature chemical rockets?

asked Dec 12, 2019 at 9:14

5 votes

1 answer

274 views

How much thrust is "high" thrust (for orbital transfers)

asked May 16, 2020 at 23:57

5 votes

1 answer

102 views

Does a published account of the economics of Russian debris shipbreaking exist?

asked Aug 1, 2020 at 7:12

5 votes

1 answer

145 views

What is the limit on ISP for cooled physical nozzles -- and how hard is it?

asked Oct 26, 2020 at 11:01

4 votes

1 answer

240 views

What prompted NASA to establish a KSC SWAT Team?

asked Nov 22, 2020 at 0:20

4 votes

1 answer

270 views

Why isn't "cylindrical alien derelict spacecraft" more common in theories of Oumuamua as an alien probe?

asked Aug 1, 2020 at 5:15

4 votes

1 answer

540 views

LANTR has been proposed; why not bilateral CHEMANTR?

asked Dec 1, 2019 at 9:40

4 votes

2 answers

1k views

Space Shuttle type tiles, or something similar: Commercially available?

asked Mar 1, 2020 at 3:40

4 votes

0 answers

223 views

Do vacuum-grade oils and greases trivially solve the "lubricants don't work in space, cold welding happens" problem (for short to moderate duration)?

asked Mar 10, 2020 at 8:36

4 votes

1 answer

227 views

How badly would commodity handheld power tools, with cheap "duct tape" modifications, work in (EVA) space?

asked Mar 10, 2020 at 9:06

3 votes

0 answers

111 views

Can we re-fuel solid-core nuclear thermal rockets?

asked Mar 18, 2020 at 1:00

Stack Exchange Network

54 Questions

Was the Space Shuttle ever actually intended for the military to steal satellites without the owner's consent?

Ultimate fate of rocket propellant in space?

Curiosity and Perseverance landing - with so much dust blown everywhere, what's the point of the skycrane?

What actually is RP-1, and how is it different from any other hydrocarbon liquid fuel?

How dangerous are RCS thrusters?

Has NASA ever included a ground controller or astronaut becoming insane/irrational/uncooperative in a training simulation?

Why do many RTGs have finned heatsinks, when this is considered bad for radiation heat transfer?

Can I make a completely ITAR-free spaceship?

Why so many laptops on the ISS?

How actually dangerous was RTLS for the Space Shuttle?

Can I release rocket plans or software under open-source licensing without running afoul of ITAR?

Has any rocket been launched into orbit from a plain flat surface?

Do any spacesuit designs (including prototypes, conceptual, etc) use radiators rather than open-loop cooling?

Why is RP-1 dyed red?

Is there a rule of thumb for the mass of thermal protection systems?

Is the propulsion for the Scorpion nuclear-thermal-electric ship concept viable and credible?

Burning Up Hydrazine and N2O4 for Safety

Hydrocarbon + Nitrous Oxide: Is this a "friendly" alternative propellant system to hydrazine and NTO?

Are DUMBO, TIMBERWIND, and other high-thrust NTRs realistically going to deliver on promises of very high thrust/weight?

What's up with the lack of subminiature chemical rockets?

How much thrust is "high" thrust (for orbital transfers)

Does a published account of the economics of Russian debris shipbreaking exist?

What is the limit on ISP for cooled physical nozzles -- and how hard is it?

What prompted NASA to establish a KSC SWAT Team?

Why isn't "cylindrical alien derelict spacecraft" more common in theories of Oumuamua as an alien probe?

LANTR has been proposed; why not bilateral CHEMANTR?

Space Shuttle type tiles, or something similar: Commercially available?

Do vacuum-grade oils and greases trivially solve the "lubricants don't work in space, cold welding happens" problem (for short to moderate duration)?

How badly would commodity handheld power tools, with cheap "duct tape" modifications, work in (EVA) space?

Can we re-fuel solid-core nuclear thermal rockets?