Digger
  • Member for 6 years, 2 months
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Are all modern astronauts at least passable phlebotomists?
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57 votes

By my count, the OP asks three questions. I'll anecdotally answer two of them ("Is it something that most or all astronauts are capable of doing, or are there just a few "designated drivers&...

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When the ISS accelerates, do the astronauts feel it?
42 votes

The answer to the question, "Do the astronauts feel the station moving?" is yes, definitely, but sometimes in an "indirect" fashion. During Space Shuttle mission STS-109, when floating in my sleeping ...

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Has any spacecraft had a way for the crew to escape during reentry?
24 votes

The Space Shuttle Orbiter had a flight mode whereby, at or below ~50,000 feet of altitude during the reentry (or, in the event of an ascent abort, the gliding, unpowered phase of flight), the ...

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What would NASA have done if they knew Columbia was catastrophically damaged?
18 votes

In answer to one of the OP's questions ("If they had known (or even suspected) the damage to Columbia would have resulted in catastrophe upon re-entry, what process would have taken place?"), if NASA ...

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Becoming an astronaut with engineering background
13 votes

This will be a subjective answer to a subjective question (I was not going to answer at all, but @called2voyage's link ([Good Subjective/Bad Subjective])1 (see @called2voyage's comment to the OP, ...

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Why do ISS crew members often cross their arms?
13 votes

For many astronauts, it is simply a matter of being considerate to your fellow astronaut who is appearing alongside you. It would not be nice to let your arm drift into contact with the other ...

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Do the astronauts hear noise in their headsets?
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11 votes

No answers have been ventured so I'll post anecdotal experience based on my one launch. Can't recall if the crew hears all ground comm that is recorded on the loop, but it is not uncommon for one or ...

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How important is plume impingement in rendezvous operations?
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11 votes

NOTE: My answer applies specifically to Space Shuttle (STS) operations. In general, it is quite safe to say that it is never desireable that the chaser plume the target to any significant degree ...

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

Captain Wally Schirra was the first person to ever successfully pull off a space rendezvous. Here is, more or less, how he would have answered the question (this is a quote from Capt. Schirra after ...

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Effects of microgravity on human body in a days time
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10 votes

Organic Marble, as usual, is correct in his answer, as far as it goes. Anecdotally, I can add a few primary effects and one secondary effect to the list: Fluid transfer to the head (a primary effect)...

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Have any space stations experienced a total solar eclipse?
9 votes

Although not really a "space station," the crew inside the Gemini XXII spacecraft capsule (James A. Lovell, Jr., and Edwin E. "Buzz" Aldrin, Jr.) witnessed a total solar eclipse in ...

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Did the astronauts of Gemini 4 have any realistic rendezvous simulator training of orbital mechanic effects?
8 votes

Let my preface my answer with a quote from Wally Schirra after Gemini 6A: "Somebody said ... when you come to within three miles (5 km), you've rendezvoused. If anybody thinks they've pulled a ...

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Clohessy-Wiltshire/Hill's Equations - F=ma?
8 votes

OK, I'll take a stab at this and try not to get too deeply buried in the math... Thanks to the above comments by members Brian Lynch and Dave, I think I can convey a pretty good intuitive feel for ...

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Is the term 'lead head' used by astronauts?
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7 votes

Long time, no answer, so I'll take a stab at it...please be aware that all of my "evidence," while purely anecdotal, is first hand. I never heard the subject term, "lead head" used in this context (I ...

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What makes Space Adaptation Syndrome worse?
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7 votes

Well, there are probably several body motions that can exacerbate SAS. Anecdotally, I can tell you that it was well understood by Shuttle flight crew that the act of doffing the Advanced Crew Escape ...

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What are the requirements differences between Escape Suit and EVA Suit?
7 votes

PearsonArtPhoto's answer is correct, as far as it goes. I'd like to add two more major differences between the two types of suits in question (FYI, I'm basing my answer here on the Launch and Entry ...

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Is this really a picture of John Young?
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4 votes

That's John...looks like he's got a good case of "launch face" going on... Sorry, I cannot back up my answer with any specific citations (beyond what Organic Marble offered in a comment to ...

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First space phlebotomy? When was the first human veinous blood sample taken in space?
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3 votes

By my count, the OP asks two questions. I'll anecdotally answer the one that asks if astronauts practice on each other. I was the "backup" medical officer for STS-109 (the primary medical ...

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How soon was the Garn scale of nausea established after the senator's spaceflight?
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3 votes

I don't consider this answer to be definitive, but it's most likely the best we will do here... I remember hearing some stories around NASA's Astronaut Office, probably in the ~1998 time frame, about ...

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How many astronauts never got to fly in space in their astronaut career?
3 votes

To add a few names to the above excellent answer: Frank Caldeiro and Gus Loria, both from NASA's astronaut class of 1996, never flew in space, due to health reasons.

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Can the Space Shuttle land on Mars assuming there is a paved surface for landing?
-4 votes

From an "agricultural" (i.e. using words that even I can understand) point of view: I'm a long-time long-distance motorcyclist. People ask me why I check my tire pressures so often during a ...

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