Questions tagged [astronauts]

Questions regarding people present on spacecraft or space stations.

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How to contact a member directly? [migrated]

I'd like to contact a member directly. After going through help topics, etc. etc. I found nothing. All I can do is get a profile. Same for the Moderators... Any help would be appreciated. Tom PS There ...
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Why might an astronaut wear a wristwatch very loose on board the ISS?

In this video on board the ISS, CSA Astronaut Chris Hadfield wears his watch very loosely--so that it continually bumps against different sides of his arm. I imagine this might be mildly irritating or ...
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If an astronaut needs to go to the toilet during launch, what can/need they do?

It is clear everyone that going to space is a big deal for almost everyone, and it is a known fact to me that whenever I do something important for myself, pretty much everything goes out of my body ...
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What typically gets sent to the ISS?

I'm working on a project that aims to understand what is needed to live in space. I understand the basic concepts and vital items needed, but I'd love to see a direct example of what is already being ...
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What is the backstory of this silly picture of the Apollo 1 crew?

The photograph below shows the first Apollo crew of Gus Grissom, Ed White, and Roger Chaffee wearing silly hats and acting less seriously than typical NASA publicity photos. All three were later ...
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Is the Skylab 4 mutiny just a myth?

Within the space history community, it is commonly known [citation needed] that the rookie Skylab 4 crew was over-aggressively scheduled by ground control. As they fell further & further behind ...
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Are deployed astronauts (e.g. on their way to or already on ISS) notified if something of importance happens to one of their family members?

The question is sparked in part by the "America's favorite dads in space" narrative which accompanies the recent Demo-2 mission, involving astronauts Rob Behnken and Douglas Hurley, as well as their ...
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Once in Earth orbit, what is the strongest propulsive acceleration an astronaut has experienced?

Early crewed launches subjected astronauts to large propulsive acceleration, usually right at the end of a stage before shut down and separation when the mass for that stage is minimum. (see ...
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What do astronauts do to pass time on the way to the ISS?

After watching those astronauts wait in the dragon capsule for so long on Tuesday, I started to wonder what do they do on the long trip to the space station? Can they get out of their seats? Are there ...
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472 views

What are the appropriate phrases to use to wish an astronaut safe travels?

When you want to wish an astronaut "safe travels", what particular phrases are commonly used? I'm looking for historical phrases as well as more modern. Although I'm more interested in English ...
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What is this device/object that the SpaceX astronauts are holding?

Watching the SpaceX Demo-2 launch preparation livestream, I saw both Bob and Doug using some sort of little gadget. It looks like a chunky cell phone, or a flat gopro. It appears to have an LCD on the ...
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Has anyone ever flown to space in a vehicle they helped build?

I'm sure people who build airplanes have had a chance to fly in the planes they build, and I'm confident that people who build submarines may get a chance to travel in them too. But I am under the ...
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Ken Mattingly was also a bachelor, so why did everyone give Jack Swigert a hard time?

The Apollo 13 Flight Journal notes that Swigert's bachelor status was near legendary, even in contemporary times. The prime CMP Ken Mattingly was single as well, incidentally, but did not enjoy ...
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When did Jack Swigert realize that he forgot to file his taxes?

As portrayed in the film Apollo 13, astronaut Jack Swigert forgot to file his taxes: JACK SWIGERT: Well uh, if anyone from the IRS is watching, I forgot to file my 1040 return and I meant to do ...
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Could the Apollo astronauts distinguish Earth's continents and oceans from the moon?

This article "Earthshine Reflects Earth's Oceans And Continents From The Dark Side Of The Moon" indicates that the difference in reflection of light from the Earth’s land masses and oceans can be seen ...
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Did the astronauts seated on the space shuttle mid-deck have responsibilities during reentry and landing?

Space Shuttle mid-deck, it doesn't look like there is much for the astronauts there to do. I recognize this photo was not taken during a mission. I couldn't find an image of the mid-deck during ...
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Is it possible for a petroleum engineering graduate to become an astronaut? If not, why so? If I can, what should I learn or do then? [closed]

So the question pretty much says it all. I would really appreciate it if you guys can give some detailed explanations here for why I might or might not be able to become an astronaut. And also, feel ...
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Loose items in Apollo CM during reentry?

Would there have been any danger to the astronauts or the equipment if a soft item, like a crumpled up napkin or tissue, was loose during the Apollo CM reentry, or did everything have to be secured?
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Does the speed of ISS slow down at the time of a spacewalk or does it become stationary?

The International Space Station (ISS) is orbiting at nearly 7.66 km/s. At such high speeds, how do astronauts perform tasks outside the ISS? Or is it all relative like astronauts are having same speed ...
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When during the flights did astronauts use the Valsalva device?

A spongy material is installed to the inside helmets called the Valsalva device (top right in this image) allow astronauts to do the Valsalva maneuver to relieve pressure on their eardrums when there ...
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Is there an alternate term to “fired” for the Reaction Control System?

Do the astronauts use any word, other than "fired" when referring to the use of the Reaction Control System for attitude control or translation?
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Astronauts and Time Dilation

Do astronauts experience any effects of time dilation? Based on my (very limited) understanding, both a change in speed and in gravity should have an effect - and astronauts experience both. The ...
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Do astronauts develop the ability to regularly place an object at rest inside the ISS after extended periods in microgravity?

This image from the ESA prompted the question why the fruits at the bottom left were not floating. An online response claimed after an extended time on the ISS astronauts get used to placing ...
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What does S represent in Chris Hadfield's D = ½ ρ v² S?

Retired test pilot, CSA astronaut and ISS Commander Chris Hadfield's new Master Class advertisement video Chris Hadfield Teaches Space Exploration - Official Trailer - MasterClass is heavily edited ...
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Is retired astronaut Scott Kelly now the same height as his brother?

In WIRED's new video Astrophysicist Explains One Concept in 5 Levels of Difficulty | WIRED "Astrophysicist Janna Levin, PhD, is asked to explain the concept of gravity to 5 different people; a child, ...
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What are current epidemiologic standards for space?

In the recent Mars series by National Geographic I've seen that an astronaut dies from a brain tumor because it "was not part of screening". Now could this be real and what are health standards for ...
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Exactly how does one lope on the Moon?

This answer includes several quotes from apollo astronauts that have walked on the moon. They describe a form of bipedal locomotion they call loping. Question: Exactly how does one lope on the Moon? ...
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What biomedical data indicated Apollo astronauts were sleeping?

What particular biomedical data did NASA use to determine if an Apollo astronaut was awake or asleep? From the APOLLO 11 MISSION COMMENTARY, page 72/1 "Our Flight Surgeon reported a short while ago ...
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201 views

Were flown lunar rover miniature license plates approved for the Apollo-15 flight?

A page in Space Flown Artifacts describes miniature lunar rover license plates that Dave Scott carried to the moon and back: These miniature license plates were manufactured by Boeing (makers of ...
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How often did Apollo astronauts wear red helmets?

Images of NAsA astronaut David R. Scott performing a spacewalk during Apollo 9 show a red helmet. When did NASA's use of red-colored helmets begin, and when did it end, and was there a special name ...
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Who was the first human to sleep - perchance to dream - on the Moon?

Incidentally I don't mean "on the lunar surface, asleep laying on the surface of the moon" :) So (A) who (if anyone) was the first human to actually be asleep (that is to say, presumably inside the ...
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What is the procedure for scheduling on the ISS if an astronaut oversleeps?

From the accepted answer to this question there have been times when astronauts have overslept. The morning started disastrously. I slept through two alarms, one set for 0600 and another a half-...
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Did any astronauts on a mission complain about waking up?

A bit of a strange question that comes from "The Martian" - in Chapter 12 is a sequence about the entire crew waking up and some complaining about it. I would expect that on a 31 day mission every ...
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Seeing the ground from the shuttle before launch?

With the side windows in space shuttle cockpit, as seen in this photograph, could the commander and pilot see the ground at all before launch or during the first 10-15 seconds of a shuttle ascent? ...
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Unusual position of shuttle astronauts' arms during ascent

During the ascent of STS-135 the astronauts seem to be keeping their elbows up away from their sides with their hands forward. It can be seen throughout the ascent, here are two clips when it happens....
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How was the deep blue colour of these astronaut “jump suits” selected?

I've seen most of the time Astronauts and/or Cosmonauts wearing blue coloured clothes either on Earth or in the ISS. Is there any specific reason for the choice of this colour? I think it's to show ...
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What are these Soyuz Astronauts/Cosmonauts holding in their hands before launch? [duplicate]

What are these Soyuz Astronauts/Cosmonauts holding in their left hands before launch? I suspect it must be the pump for the active cooling system by pumping water similar to those in EVA suits, but it ...
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I'm two metres tall. Do I have a chance to be an astronaut? [duplicate]

I am sixteen years old, athletic and very willing to learn to be an astronaut. The only problem is that I am two metres tall. While being tall is great in life, from what I have learned it isn't quite ...
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What protocol is in place if an astronaut kills another astronaut in or around the ISS?

Say one astronaut murders another astronaut in or around the ISS, what would happen? Are there any protocols or instructions about what to do? Calling the space police does not seem like an option.
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Do astronauts use their toes to grip with in zero gravity?

Feet and toes are not usually as dexterous as hands and fingers but they can grip and hold things. With training and practice they can be like third and fourth hands. Are there any astronauts who make ...
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What is the difference between an astronaut in the ISS and a freediver in perfect neutral buoyancy?

For example, does the blood of the freediver accumulates in his/her head while being upside down, as it would on land, or not, as it would in microgravity environment ?
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Which Apollo 12 astronaut is shown examining the Surveyor 3 lander in this photograph?

I used this image in Exactly what was Surveyor 3 doing with a spring-loaded boxing glove-like device? but in the captions for the image on two NASA sites I noticed a disagreement in the identify of ...
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Identify these astronauts

In December 2017 former astronaut Janet Kavandi tweeted a picture of a group of women astronauts taken at an astronaut reunion. There are nine of them I can't identify, can anyone name them? I've ...
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Experiments during ascent

Has any astronaut or cosmonaut personally performed experiments, that could only be done by a human in flight, during the ascent phase of a flight. If so, what kind of experiment(s) did they perform?
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Has an IV even been performed or attempted in space?

As many of you likely know, IV's are an important part of modern medicine. As more and more people go into space for longer periods, I would imagine it may become necessary for an IV to be ...
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231 views

Who was the first person in space to “be on TV”?

The Apollo missions had video cameras and transmitted live images to Earth, but I am not sure if there were any video transmission prior to the Apollo 11. Question: Who was the first person in space ...
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When did an astronaut in space first see someone on a TV screen?

The Apollo missions had video cameras and transmitted live images to Earth. But what about the other direction -- astronauts seeing live images of people on Earth? Question: When did an astronaut in ...
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How long were the Apollo astronauts allowed to breathe 100% oxygen at 1 atmosphere continuously?

This answer explains that from the time they suited up "in the Suit Lab before launch" until the time the capsule started depressurizing during ascent, the Apollo astronauts were breathing 100% oxygen ...
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712 views

Astronaut distance from Earth?

After the Apollo Missions, what is the farthest that any country has sent astronauts into space (distance from Earth)?
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To which ISS astronaut(s) did Trevor Noah speak?

In the Tonight Show with Jimmy Fallon video Trevor Noah Spoke to Astronauts in Space at NASA after about 02:10, talk show host, author and comedian Trevor Noah ...

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