Unanswered Questions
2,072 questions with no upvoted or accepted answers
18
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0
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518
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What paper size do they use on the International Space Station?
We know they have at least one printer on the ISS – that's NASA-supplied so it would be in the US Orbital Segment. Presumably there is a printer in the Russian Orbital Segment as well. (Mir had a ...
- 147
17
votes
1
answer
540
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Have there ever been any incidents where something valuable was unintentionally throw out with the trash?
In "What do astronauts do with their trash on the ISS?", a commentator asked the title question and was encouraged to make it a new question, but apparently never did.
The linked question is ...
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16
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352
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How did "the kid" (John Meisenheimer) calculate that there was a wave in the jet stream and Explorer 1 would be okay to launch?
The tough but timely question NASA at sIxty years, will there be a new moonshot mandate? links to the NASA YouTube video NASA 60th: How It All Began which shows a lot of really nice, historical file ...
- 148k
15
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233
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Has NASA ever included a ground controller or astronaut becoming insane/irrational/belligerent in a training simulation?
NASA training simulations have included a wide variety of problems thrown at the pilots and ground controllers -- not only the typical technical failures, but also some unusual outside-world stuff ...
- 7,726
14
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1
answer
607
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Where would the Pascal B manhole cover be now?
As part of the Operation Plumbbob series of nuclear tests, on August 27th, 1957, at 22:35 UT (15.35 Pacific Daylight Time), at the Nevada Test Range at 32°N 116°W, a 300 ton-yield atomic device was ...
- 6,420
12
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0
answers
183
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What space capsule is this part from?
One of my relatives has this metal component sitting in their backyard. It was a souvenir that my grandfather got to keep from his days working in the aerospace industry (primarily for Boeing). My ...
- 148k
12
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1
answer
373
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How much does the ISS "banana" or flex under the constantly changing conditions of solar heating?
This answer to Do antennae on the ISS have to constantly move to maintain data links? discusses some of the challenges precisely pointing an antenna mounted to the ISS exterior. While the ISSs orbit ...
CommunityBot
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12
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1
answer
288
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Will Soyuz spacecraft be able to visit the Lunar Gateway?
I mean launch from Earth, dock to the gateway and come back.
- 268
11
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0
answers
202
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Has Buzz Aldrin’s Line-of-Sight rendezvous method ever been used?
Has Buzz Aldrin’s Line-of-Sight rendezvous method ever been used?
Buzz Aldrin’s 1963 doctoral thesis https://dspace.mit.edu/handle/1721.1/12652 describes a line-of-sight (LOS) rendezvous technique ...
- 6,420
11
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0
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258
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Does the SpaceX spacesuit address any of the criticisms of ACES raised by Columbia Crew Survival Investigation Report?
A brief history of what Shuttle crews wore for ascent and entry, from the Columbia Crew Survival Investigation Report:
The shuttle was originally designed to be operated in a shirtsleeve (bare-hands) ...
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11
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0
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189
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Does Crew Dragon have a quick-release hatch?
After today's Crew Dragon launch was scrubbed, it took the pad ninjas at least ten minutes to open the hatch. One of the major criticisms of the Apollo Block 1 hatch design after the Apollo 1 fire ...
- 147
11
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0
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287
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Were there any launch vehicles with so heavily pronounced Plume Induced Flow Separation (PIFS), other than Saturn V?
This answer describes a very interesting phenomenon of Plume Induced Flow Separation on Saturn V vehicle.
(Apollo-6 S68-29737 photo, courtesy NASA)
This is, basically, when "fire" from ...
CommunityBot
- 1
10
votes
0
answers
155
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How well would a supersonic aircraft perform in the Martian atmosphere?
I started getting curious about this question during my Flight Test Engineering class. My professor was talking about a part of the International Standard Atmosphere that is a similar pressure to that ...
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10
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151
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Which kinds of survival equipment does Crew Dragon have, in case of an emergency landing?
Soyuz spacecraft has various survival equipment for different cases of emergency landing.
The cases include water landing, desert landing, snow winter landing (crews have special winter suits). They ...
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10
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0
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242
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What could be strong arguments against Ingenuity following Perseverance at a safe distance when the flight test program has been a success?
This answer to the question "How long could the Mars helicopter Ingenuity keep up with the Perseverance rover if it wanted to?" reasons that indeed it could for years !
But according to the ...
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