Skip to main content

Questions tagged [astronauts]

Questions regarding people present on spacecraft or space stations.

Filter by
Sorted by
Tagged with
5 votes
1 answer
474 views

How would humans with appropriate equipment travel the surface of Saturn's moon Titan on foot?

Taking into account the physical characteristics of Titan (e.g. surface gravity, atmospheric pressure), what would be the most efficient method of motion for an astronaut to travel the surface of ...
Oak's user avatar
  • 51
6 votes
1 answer
2k views

What was the colour of the shoes used by the Apollo astronauts in moon landing?

The pictures from Apollo landing despite being in high resolution, does not reveal the right colour of the shoes used by the astronauts during the EVA on the moon. An example - Buzz Aldrin picture ...
karthikeyan's user avatar
  • 4,479
25 votes
5 answers
10k views

Have there ever been people trapped in a shut down spacecraft?

I was reading some one-line sad stories and came across this one: Goodbye mission control, thanks for trying. So I was wondering if there have ever been people trapped in a spacecraft without a ...
darnok's user avatar
  • 369
3 votes
2 answers
215 views

Have astronauts seen asteroids or comets?

Have astronauts ever seen asteroids or comets from space, either by eye, through a camera, or a telescope?
uhoh's user avatar
  • 149k
0 votes
0 answers
467 views

What would happen if an astronaut walked on mars without a spacesuit i.e. wearing just earth clothes? [duplicate]

Which will happen first: Would she die due to lack of oxygen/suffocation or due to lack of pressure/boiling bodily fluids?
Someone's user avatar
40 votes
3 answers
13k views

Did the Apollo astronauts ever take any medications while on their mission in order to calm their nerves?

Are there any indications that Apollo astronauts took any medication to overcome conditions like fear or claustrophobia? Or did NASA rely purely on training to prepare the astronauts for situations in ...
chris's user avatar
  • 501
10 votes
1 answer
881 views

Did Charlie Duke actually get the measles?

Deke Slayton: Jim, we've got a problem. I got some blood work back from the lab. Charlie Duke has the measles. Jim Lovell: [Unconcerned] So we need a new back-up. Deke Slayton: You'...
DrSheldon's user avatar
  • 48k
2 votes
0 answers
161 views

Had Apollo astronauts practiced getting up from a fall?

The question "Could an Apollo astronaut stand up if they fell on the moon?" describes several incidents of Apollo astronauts falling over while on the moon, and their attempts to get back up. Did the ...
DrSheldon's user avatar
  • 48k
6 votes
2 answers
638 views

How closely can ground control monitor ISS astronauts?

How closely can ground control monitor astronauts aboard the ISS. Are there cameras or microphones that the ground can use to see and hear what's happening, or are they reliant on the crew to relay ...
lijat's user avatar
  • 1,778
89 votes
3 answers
23k views

Could Apollo astronauts stand up if they fell on the moon?

I was watching old Apollo footage and noted how astronauts on the moon had a very particular gait most likely due to the poor flexibility of the EVA suits, low gravity, and need for safety. I was ...
RoboKaren's user avatar
  • 1,163
2 votes
0 answers
71 views

What forces and motion would astronauts experience in a spacecraft in Earth-Moon L1 & L2 Lissajous orbit?

What is the maximum velocity they would experience? Would they be aware of the movement based on the positions of the Earth, Moon, or stars, or would it be too slow to notice? Would they feel any G ...
Bob516's user avatar
  • 6,999
11 votes
1 answer
587 views

Did the crew of Soyuz MS-10 pass the Karman Line?

Just wondering if Nick Hague got his gold astronaut wings.
Organic Marble's user avatar
7 votes
2 answers
2k views

How long would a stranded Apollo crew have survived on the Moon?

If the Apollo ascent vehicle hadn't been able to take off from the Moon, how long was the crew expected to have survived? And what would the likely natural cause of death be? I've heard that partial ...
LocalFluff's user avatar
-6 votes
1 answer
125 views

Queries regarding deep space missions [closed]

What is deep space refers to? We have not even explore our nearby planets (till Mars) then why space agencies are going for deep space missions (like voyager-1 and voyager-2)? What do they want to ...
Amar's user avatar
  • 2,246
3 votes
1 answer
594 views

Do astronauts have to use sunscreen?

Of course the space suits can block most part of the radiation, but do the astronauts need to use sunscreen to protect their faces from the radiation passing thought the helmet or passing through the ...
user avatar
5 votes
1 answer
372 views

Where did the families of astronauts watch the launch?

Where did the families of American astronauts watch the launch from? I've heard the Saturn V Center and also the Launch Control Center. Maybe it was different for each launch? TIA
DanaBear's user avatar
  • 151
6 votes
1 answer
398 views

Where and when did the traditional “wave across the ditch” take place?

I’ve heard that before a launch American astronauts had one last chance to see their family by waving across a ditch (which apparently wasn’t really a ditch?). I’m curious, where and exactly when (day ...
DanaBear's user avatar
  • 151
1 vote
1 answer
442 views

What was it like for the family members of astronauts before a launch? [closed]

What was it like to be the family member of an astronaut in the days and hours before a launch? Specifically, I'm curious about launches during NASA'S space shuttle program. Where did family members ...
DanaBear's user avatar
  • 151
6 votes
1 answer
277 views

How far/much time could a fleshy appendage extend outside of the ISS before succumbing to severe damage?

I was reading the question asked here in regards the Alexander Gerst's patching of a small (5mm) hole with his thumb temporarily. This got me wondering, if his thumb was only fine because the majority ...
Magic Octopus Urn's user avatar
17 votes
2 answers
3k views

Was Alexander Gerst the first man to have bare skin exposed to the vacuum of space and live?

On August 30, 2018, a hole was found in the Soyuz Orbital Module on the ISS. Astronaut Alexander Gerst initially plugged it with his thumb, meaning a part of his bare skin touched space. I can't find ...
PearsonArtPhoto's user avatar
  • 121k
35 votes
2 answers
16k views

Do Astronauts have their appendix removed?

A recenct article on the BBC news got me wondering about Astronauts in the ISS. technically they are fewer miles from the closest hospital, but the transportation is bit more complex. Imagine that ...
James Jenkins's user avatar
7 votes
1 answer
1k views

What is astronaut Alexander Gerst signaling with this K-shaped hand signal?

In this AP/WISN news item Air leak at International Space Station temporarily plugged by a thumb they show a file photo of German astronaut Alexander Gerst at the Baikonur cosmodrome, making what ...
uhoh's user avatar
  • 149k
1 vote
0 answers
79 views

Where does one go to school to be in a space program? [closed]

I am interested into going to college. What school or degree should I take to get a seat in the Mars missions? Space Camp? Which school has the highest student to space program statistic?
Muze's user avatar
  • 1
8 votes
1 answer
721 views

Has the Earth's shadow on the Moon (lunar eclipse) ever been photographed from Space?

The questions Has the Moon's shadow on the Earth (solar eclipse) ever been photographed from beyond Earth orbit? Is this the only eclipse where Moon's shadow on the Earth (umbra) has been ...
uhoh's user avatar
  • 149k
14 votes
3 answers
12k views

Do astronauts live longer than earthlings?

Why is it believed that astronauts live longer than earthlings? So, what I would like to know is that "If the belief is correct". If the belief is correct, how does that happen (what are the ...
Amar's user avatar
  • 2,246
4 votes
1 answer
477 views

Which astronaut boots might it be that inspired Michael Jackson's patent?

The BBC article Doctors explain Michael Jackson's impossible dance move describes the recently published article in the Journal of Neurosurgery: Spine How did Michael Jackson challenge our ...
uhoh's user avatar
  • 149k
8 votes
1 answer
1k views

How much jerk do astronauts experience? Is there a safety limit?

From Wikipedia: In physics, jerk is the rate of change of acceleration; that is, the derivative of acceleration with respect to time, and as such the second derivative of velocity, or the third ...
uhoh's user avatar
  • 149k
3 votes
0 answers
79 views

Are alternatives to spacesuits, like one person pods, being developed? [duplicate]

I'm thinking that for extended zero gee extravehicular activities (say space construction) a single person pod (if that's the right word) would be more all round useful than a space suit. Faceplate ...
Ken Fabian's user avatar
  • 1,042
14 votes
1 answer
588 views

Astronaut orientation etiquette

How does the microgravity environment on the ISS change how people interact or converse? Is it polite or common to be oriented the same direction as who you're talking to? Also, when you see new ...
Dragongeek's user avatar
  • 19.2k
1 vote
1 answer
220 views

Were there special circumstances leading to these astronauts' spacewalking 5 days after arrival at the ISS?

@This answer describes two cases where astronauts performed space walks less than six days after arriving at the ISS; Timothy Kopra (Expedition 46) Andrew Feustel and Richard Arnold (Expedition 55) ...
uhoh's user avatar
  • 149k
0 votes
1 answer
130 views

Are there rules, policies, or guidelines regarding spacewalking soon after launch?

In light of this answer, where except for a few cases, space walks from the ISS are usually performed starting about a month after arrival at the ISS, are there any rules, policies, or guidelines that ...
uhoh's user avatar
  • 149k
3 votes
1 answer
390 views

Who is the unnamed astronaut in this uncredited photo used in commercial promotional material?

When I linked back to Do ISS astronauts notice, or experience symptoms of elevated CO2 levels? Do they wear monitors regularly? in this question, I was surprised to find that I hadn't named the ...
uhoh's user avatar
  • 149k
11 votes
2 answers
5k views

What is Astronaut Sunita Williams wearing on their wrist?

The most recent installment of NPR's Brave New Workers A NASA Astronaut Stays In Orbit With SpaceX And Boeing (article & podcast) covers Astronaut Sunita Williams extremely cool new job. She's ...
uhoh's user avatar
  • 149k
3 votes
0 answers
141 views

What are the physical requirements of an astronaut for a Mars mission likely to be?

I realize that there's a lot of speculation involved here, but current actual mission profiles have PT programs and general wellness specifications. It seems like the qualifications would be a ...
Chris B. Behrens's user avatar
4 votes
2 answers
2k views

When astronauts or cosmonauts get seated in the spacecraft, are they actually sitting up or lying down?

This might be more of a physics question. If it is, I'll post it in the physics site. If the spacecraft is vertical, wouldn't the astronauts be seated in a lying position so that the G forces do not ...
HeavenlyHarmony's user avatar
17 votes
4 answers
3k views

How were the pilots of the space shuttle able to operate the rudder after time in space?

I've just watched this video showing three astronauts who've returned from space. At around the 5:46 mark in the video we can see astronaut Chris Hadfield being carried out of the Soyuz capsule. I've ...
user23315's user avatar
  • 171
3 votes
1 answer
533 views

As they were all qualified, how/why were the Apollo Astronauts chosen for their individual missions? [duplicate]

Why did some fly multiple Apollo missions, while others flew only once?
v15's user avatar
  • 1,189
6 votes
1 answer
1k views

How did astronaut Ellison Onizuka's words end up in my passport?

Astronaut Jack Fischer's Tweet about the late Ellison Onizuka (lost in the shuttle Challenger disaster) mentions that Onizuka is quoted in US passports. I looked, and sure enough it's there, right ...
uhoh's user avatar
  • 149k
4 votes
1 answer
242 views

Origin and history of the traditional tree planting ceremony at the Cosmonaut Hotel?

Looking through NASA Johnson's Flickr I saw this photo (and also this one). The complete caption is shown below. Expedition 49 Preflight nhq201609160011 (09/16/2016) --- Expedition 49 flight engineer ...
uhoh's user avatar
  • 149k
17 votes
3 answers
2k views

Do ISS astronauts notice, or experience symptoms of elevated CO2 levels? Do they wear monitors regularly?

A recent (Sept. 2017) news item on the company website of Gas Sensing Solutions Innovative sensor technology assists NASA with vital wearable CO2 monitoring equipment caught my eye. A section of the ...
uhoh's user avatar
  • 149k
6 votes
3 answers
682 views

Did any astronaut take a Bible into space?

I am wondering if any astronauts took a copy of the Holy Bible into space. I know the crew of Apollo 8 read part of Genesis 1 in space, but I am wondering if anyone took a full Holy Bible into space.
space1234599's user avatar
15 votes
2 answers
3k views

Why are these astronauts green?

The Space.com article Space Station Crew Returns to Earth Tonight: Watch It Live leads with a photo of three astronauts on the ISS that are backlit with bright green light, which can also be seen ...
uhoh's user avatar
  • 149k
32 votes
2 answers
4k views

Were cosmonauts equipped with poison pills?

It's frequently claimed without citation that Alexey Leonov carried a poison pill of some kind during his Voskhod 2 spacewalk mission, to commit suicide should he be unable to re-enter the spacecraft. ...
Russell Borogove's user avatar
2 votes
1 answer
524 views

Is this the only eclipse where Moon's shadow on the Earth (umbra) has been photographed by a person in space?

In this nice video musing about (among other things) the US Naval Observatory's $3,500 expedition to Baker City or at least Baker County Oregon to observe the June 18, 1918 solar eclipse, there is ...
uhoh's user avatar
  • 149k
10 votes
1 answer
10k views

Can astronauts wear eyeglasses inside their helmets during launches and landings?

Are astronauts allowed to wear their eyeglasses inside their helmets during launches and landings?? Are there any special considerations or rules? During spaceflight (launches and landings) there can ...
uhoh's user avatar
  • 149k
21 votes
4 answers
7k views

Why doesn't the ISS start to spin if people walk inside?

I have read that prior to launch all people and tools are fastened down to prevent a rocket from losing the balance. Why doesn't the ISS begin to spin as astronauts are walking inside of it? Or is ...
Denis Kulagin's user avatar
-3 votes
1 answer
358 views

Sharing the skies with Russia, for how long? [closed]

Everyone knows that there are tensions with Russia that have existed for years. At what point do they stop cooperating with NASA and the USG in general? Have there never been worries about what ...
camping's user avatar
  • 61
11 votes
2 answers
930 views

Can you enjoy a cold carbonated drink in space?

I will grant that launching a can of soda pop, or beer into space would be very expensive. Alternately it is not unreasonable to make it in the space station, carbonated drink makers are easily ...
James Jenkins's user avatar
8 votes
1 answer
1k views

How did Alexey Leonov bleed off the pressure in his space suit?

On the Voskhod 2 mission, cosmonaut Alexey Leonov performed a spacewalk which ran into issues when Lenov's spacesuit had some sort of pressure buildup. From the wiki - [Leonov] was forced to bleed ...
David says Reinstate Monica's user avatar
23 votes
1 answer
1k views

Does SpaceX have any significant additional legal hurdles for flying private citizens around the moon?

SpaceX recently announced they are planning to fly two private citizens around the moon. I'm sure a normal space flight has all sorts of legal complications, but does the addition of 2 private ...
David says Reinstate Monica's user avatar