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kim holder

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the-moon
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213 posts edited
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117 Questions

Votes Activity Newest Views
6
54
votes
7
answers
45k
views

Who coined the phrase 'Rapid Unscheduled Disassembly'?

rockets history terminology rud
Aug 16 '19 at 8:52 DDT 11
1
5
votes
2
answers
14k
views

What are the main steps in the lead-up to a rocket launch?

launch rockets launchpad launch-sequence
Feb 2 '15 at 0:15 kim holder 19.4k
5
16
votes
1
answer
11k
views

Why is the Russian approach to the aerodynamics of their rockets different?

rockets engine-design russia atmospheric-drag booster
Dec 22 '16 at 1:33 Nathan Tuggy 4,424
4
19
votes
7
answers
11k
views

Can ion thrusters be scaled up?

propulsion engine-design ion-thruster
Mar 3 '19 at 7:14 Community♦ 1
2
7
votes
3
answers
7k
views

Are oxidizer to fuel mixture ratios based on mass or volume?

fuel oxidizer
Apr 15 '19 at 19:52 user30172 1
1
14
votes
4
answers
6k
views

How many photographs are there of the whole Earth?

photography earth-observation
Nov 12 at 3:06 user38250 1
 
14
votes
3
answers
6k
views

How does an astronaut pack for the ISS?

iss astronaut-lifestyle psychology
Sep 5 '18 at 11:02 Ben McGee 21
1
18
votes
4
answers
5k
views

Why is NASA planning to deorbit the ISS instead of reusing its newer modules, like the Russians will?

iss mission-design end-of-life
Apr 25 '15 at 18:54 Community♦ 1
2
13
votes
1
answer
5k
views

What happens to the Soyuz boosters that land in the Kazakhstan desert?

booster recovery soyuz-launcher
Apr 12 at 19:43 oskouee 1
12
52
votes
7
answers
4k
views

How do we know the Apollo Moon landings are real?

the-moon apollo-program history myth-busting
Nov 15 at 16:39 DrSheldon 36.3k
5
28
votes
7
answers
4k
views

Could liquid airlocks work?

the-moon colonization habitat airlock
Nov 13 '15 at 20:05 Community♦ 1
1
8
votes
1
answer
4k
views

How much payload can Falcon Heavy Reusable lift?

spacex falcon-heavy payload
Dec 9 '18 at 19:19 Pjotr 165
1
13
votes
2
answers
4k
views

How much fuel can SpaceX save by landing the Falcon 9 booster on a barge?

launch spacex falcon-9 atmospheric-drag
Jan 28 '19 at 20:16 Mike Rodgers 1
2
23
votes
2
answers
4k
views

Suppose Zuma wasn't “lost” — what would it take to detect it?

tracking security classified detection zuma
Jun 5 at 0:58 Community♦ 1
2
19
votes
3
answers
3k
views

What would a lunar eclipse look like from the surface of the moon?

the-moon
Jan 4 '19 at 9:53 Glorfindel 572
2
20
votes
2
answers
3k
views

How fast could a person run on the Moon?

the-moon colonization gravity physical-activity
Feb 15 '15 at 2:24 kim holder 19.4k
7
17
votes
2
answers
3k
views

How feasible is it to use aluminum and liquid oxygen as future propellant sourced from the moon?

the-moon colonization mining fuel isru
Jul 24 '15 at 21:38 Community♦ 1
 
10
votes
3
answers
3k
views

On a Super-Earth 1.5x the volume and mass of Earth, would our rocket technology allow us to reach orbit? [duplicate]

launch rockets gravity technology
Nov 4 '14 at 11:43 Irigi 657
 
14
votes
4
answers
3k
views

What about gathering water ice from Saturn's rings?

water mining saturn rings ice
Feb 11 '20 at 10:11 NeutronCode 119
1
9
votes
3
answers
3k
views

If a rocket launched due East from a high latitude, what happens to its path?

launch orbital-mechanics
Sep 14 '15 at 20:44 Russell Borogove 140k
2
15
votes
1
answer
3k
views

What NASA documents did SpaceX use to design their engines?

spacex nasa engine-design
Aug 6 '17 at 21:53 Robert T 71
1
19
votes
3
answers
3k
views

How hard is it on the crew to go through the 14+ g's of a launchpad abort of the Soyuz, or the Falcon system?

health failure abort launch-escape-system g-force
Feb 16 '15 at 9:39 zxq9 121
1
22
votes
2
answers
3k
views

Why does SpaceX have a launch window for a pad abort test?

launch spacex spacecraft-development dragon testing
Apr 22 '15 at 2:07 geoffc 72.5k
3
16
votes
1
answer
2k
views

How weak can a propellant be and still get a rocket to space, theoretically?

launch rockets fuel
Apr 13 '15 at 18:46 Community♦ 1
3
12
votes
1
answer
2k
views

Is there a map or list of all the lava tube skylights the LRO has detected on the Moon?

the-moon planetary-science mapping lro
Aug 16 '15 at 13:16 TildalWave 72.6k
2
13
votes
2
answers
2k
views

How much mass could the Saturn V rockets have landed on the Moon if nothing was coming back?

the-moon lunar-landing payload saturn-v mass-fraction
Sep 23 '18 at 10:12 szulat 745
3
19
votes
2
answers
2k
views

How does the Saturn V Dynamic Test Stand work?

space-shuttle engineering saturn-v testing
Sep 16 at 14:38 Ludo 6,113
2
4
votes
1
answer
2k
views

What fraction of a liquid rocket launching from Mars to return to Earth would be fuel?

mars rockets fuel payload mass
Sep 16 '14 at 16:54 Rikki-Tikki-Tavi 7,914
 
5
votes
1
answer
2k
views

How good does the weather have to be for a rocket launch?

launch rockets launch-sequence weather
Jul 7 '15 at 4:45 1337joe 6,936
1
15
votes
1
answer
2k
views

What does it mean for a launcher to be 'nuclear-certified'?

launch nuclear safety launch-vehicle regulatory
Jul 27 '16 at 21:38 PearsonArtPhoto♦ 109k
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