Questions tagged [astronauts]

Questions regarding people present on spacecraft or space stations.

Filter by
Sorted by
Tagged with
6
votes
1answer
1k views

Why was Buzz Aldrin not Awarded the Congressional Space Medal of Honor? [closed]

According to the award's requirements, the Congressional Space Medal of Honor may be awarded to "any astronaut who, in the performance of his duties, has distinguished himself by exceptionally ...
9
votes
1answer
2k views

How many astronauts are left handed?

One kind of 'popular science' fun facts that is very popular is to show how many of the individuals belonging to a notable group of people that are left handed, often showing a large disproportionally ...
13
votes
4answers
997 views

What was the reason for an odd number of astronauts in almost every group of the early US space program?

We are familiar with the first groups of NASA astronauts, like the Mercury Seven and the New Nine. Something about that struck me as (literary) odd; All the first twelve astronaut groups had an odd ...
14
votes
3answers
1k views

How many seconds of near-zero gravity are practical with a Reduced Gravity Aircraft?

When I saw "50 seconds of weightlessness" (see quote below) I made a very rough estimate based on 45 degrees nose-up to 45 degrees nose-down Reduced Gravity Flight centered at about 35,000 feet where ...
11
votes
1answer
1k views

How is ISS commander chosen?

I've been looking at the ISS's List of International Space Station expeditions, and I'm curious about how the commanders are chosen. I can't really find anything that stands out. Sometimes the ...
8
votes
1answer
2k views

Oxygen toxicity vs Apollo mission preparation

In the article on Apollo command module design, I read: The cabin atmosphere at launch was changed to 60% oxygen and 40% nitrogen at sea-level pressure: 14.7 psi (10.1 N/cm2). During ascent the cabin ...
1
vote
0answers
101 views

NASA Astronaut Group 2 Press Conference

Is there footage of the NASA Astronaut Group 2 press conference online? I can watch the press conference for the Mercury astronauts here, but can't find Group 2 footage. I've seen snippets of the 1962 ...
7
votes
2answers
294 views

Cosmonauts and Astronauts

American, Japanese and ESA space travellers are astronauts, Russian or Soviet space travellers are cosmonauts. But are there exceptions from this? Americans visiting the ISS the last years have used ...
18
votes
3answers
11k views

What prompted Lovell on Apollo 8 to announce “there is a Santa Claus”?

On Apollo 8, following the first trans-Earth injection, when the crew came back into contact with Houston, Lovell said: "Please be informed there is a Santa Claus." (Transcript) Given that Apollo 8 ...
8
votes
4answers
33k views

Becoming an astronaut with engineering background

Which engineering branch will be most suitable for becoming an astronaut, and what other options do I have if I want to become an astronaut with an engineering background?
17
votes
1answer
3k views

Would it be possible to get back to Earth from the ISS without any ground support?

In the TV show Last Man On Earth we follow a small group of immune survivors after an apocalyptic plague has essentially wiped out humanity. It is revealed that a single astronaut on the ISS has also ...
26
votes
1answer
3k views

When/where did the cosmonauts fight wolves?

When/where did the cosmonauts fight wolves? or was it bears? With a gun? Could someone provide a more complete story? One of comments on the article TidalWave linked in the Soyuz joysticks question ...
24
votes
2answers
4k views

How long does it take to get from a spacewalk to being inside the ISS and out of your suit in an emergency?

I just saw a show that featured an incident in which an astronaut on a spacewalk to install the Canada 2 arm on the ISS was temporarily blinded by contaminated water inside his helmet. His colleague ...
6
votes
1answer
5k views

How do we create a zero gravity environment on earth?

I have read somewhere that to-be astronauts are trained on earth to be deft enough when they are in space which has zero gravity. How do we create a zero gravity situation on earth? On earth even if ...
19
votes
6answers
9k views

How can astronauts float in space without being affected by the gravitational force of nearby objects?

According to the Newton's law of universal gravitation: Any two bodies in the universe attract each other with a force that is directly proportional to the product of their masses and inversely ...
2
votes
0answers
61 views

How to be an astronaut? [duplicate]

I always wanted being an astronaut. I am now going to high school and want to major astronomy in university. The problem is I live in South Korea, not US. Can you guys tell me how a foreigner can be ...
28
votes
1answer
3k views

What are the “unpleasant effects” of having a cold in microgravity?

I went to Technik Museum Speyer's space exhibition, which presented an excellent overview of the Apollo missions in a series of posters. The poster describing the Apollo 7 mission (an Earth orbit test ...
22
votes
3answers
4k views

Is water on Mars the same as Earth water?

I would like to know how similar Mars water is to Earth water. Can we survive on Mars with Martian water without any major health issues etc?
10
votes
2answers
3k views

How important is the size of an astronaut?

It seems to me that weight and size would be important in choosing spacefarers for many reasons; I came across this Wikipedia article where the Chinese astronauts (taikonauts) have to be between 50 ...
15
votes
1answer
2k views

How many astronauts have had spiritual experiences while in space?

In the video Overview 5 astronauts talk about having powerful spiritual experiences in space, and their descriptions match enlightenment experiences. This strikes me as rather more important than you'...
57
votes
3answers
12k views

Why did NASA send two astronauts to the moon instead of one?

I can think of a lot of good reasons for both arguments, and the Soviets made the opposite call for their lander, but what I'm interested in here is this: Given the mass penalty of another man (body ...
39
votes
4answers
4k views

When the ISS accelerates, do the astronauts feel it?

The ISS has thrusters to avoid debris and to combat orbital decay. Do the astronauts feel the station accelerating? Do they have to hold onto something and is it the same when they rotate the station ...
2
votes
2answers
220 views

Is exposure to cosmic radiation more dangerous on some body parts than on other?

Radiation causes genetic mutation and every (human) cell in our body have the same genes. But on Earth we don't get cancer as often in the foot as in the genitals or in the brain. Some parts of our ...
24
votes
2answers
2k views

Will a Dragon v2 ever bring 7 astronauts to the ISS?

The Dragon v2 has 7 seats whereas the Soyuz only has 3. But the Soyuz uses all 3 seats for astronauts/cosmonauts to bring to the ISS. I suspect that Dragon v2 will bring 3-4 people to the ISS in one ...
13
votes
2answers
3k views

Does NASA hire foreign nationals as astronauts?

I've dreamed about it ever since I was six, and where I live people laugh at me when I tell them about this because for one, no one's ever been an astronaut in my country and two, I'm a girl. But I'll ...
7
votes
2answers
2k views

How do astronauts sleep in zero G?

Perhaps this is a strange question but I've always wondered how astronauts, particularly those aboard the ISS, sleep in zero G. Do they just hang out in "space" or do they have beds they strap ...
16
votes
2answers
9k views

Do astronauts get Netflix on ISS?

I've been wondering about the internet connection on the ISS, and how it's used. We were talking in chat about astronauts personal belongings and free time, and it made me wonder about how they use ...
5
votes
1answer
197 views

ISS: Procedure in case of collision warning

In case of collision warning occurring to the ISS, if ISS can't be moved the procedure is to go to a Soyuz and wait. Can anyone gives details about the procedure? Is the Soyuz hermetically closed ...
19
votes
2answers
7k views

Was Valentina Tereshkova pregnant while in space?

Valentina Tereshkova was the first woman in space. I have been reading the book called "The Astronaut Wives club". In it, they discuss women flying in space, and mention that Valentina was the first ...
19
votes
2answers
3k views

Is it possible for a human to walk on an asteroid?

"We’ll start by sending astronauts to an asteroid for the first time in history" (President Barack Obama on Space Exploration in the 21st Century".) With a very low gravity, an asteroid is not ...
18
votes
4answers
11k views

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

We know that many people who take astronaut training and become astronauts may never get to fly to space at all. How many astronauts (number or %, or both) have never flown to space in their ...
7
votes
2answers
1k views

How do astronauts overcome the boredom from “the daily routine”?

When I was flying in the plane the other day, I just noticed how many systems checks are completed before the plane even takes off. This makes sense, considering how many human lives depend on it. ...
4
votes
4answers
7k views

How do jetpacks work in space?

I've seen in some videos of astronauts that they used to use a jetpack type system to maneuver in the vacuum of space around the ISS and other satellites using pressurized gas. From Wikipedia ...
5
votes
1answer
1k views

Lunar astronauts and freezing temperatures

How do astronauts walking on the moon keep their waste body fluids from freezing in the extremely cold environment? I understand that if they need to release waste body fluids, they do so into ...
5
votes
3answers
15k views

How are astronauts protected from radiation in a spacecraft?

How are astronauts protected from radiation (alpha, beta, gamma rays, uv rays) by their spacecraft? Is the spacecraft built in a special material?
4
votes
1answer
2k views

Is it possible to bring “nothing” back from space?

I think the ultimate souvenir would be not a moon rock or a martian, but space "nothing", but I wonder if this is physically possible... Can an astronaut go out to space with an open container, close ...
24
votes
1answer
4k views

Do astronauts go on a random banter with mission control like in the film 'Gravity'?

In the film 'Gravity', astronauts can be seen having casual chat with mission control. Do astronauts do that in real life? Do they have any specific policy that states what can be communicated over ...
9
votes
1answer
914 views

Why do we differentiate between astronauts and cosmonauts?

And how tenable is this distinction now that a third space agency carries out manned flights (China), and others are poised to follow? I can think of no other profession/job title where this ...
8
votes
1answer
310 views

Does a persons weight effect their potential selection to be an astronaut?

Every extra bit of weight cost extra to send to orbit. Presumably it also impacts the possible payload. Assuming a generally healthy build, and otherwise physically able and fit person. In ...
12
votes
5answers
9k views

What are the consequences if an astronaut's helmet gets damaged during a spacewalk?

Note: This has become a frequently asked question. Some related situations which have been regarded as duplicates of this question include these: Leaving vehicle / going outside without spacesuit or ...
14
votes
3answers
2k views

If a human is being sent to space in a rocket, does the seating angle matter?

All manned spacecraft have had seats in an "on-back" angle for launch. What is the benefit of this seating position for a manned spacecraft launch?
14
votes
1answer
1k views

Why did NASA discontinue use of the MMU?

One of the comments on this recent question touched on the use of the Manned Maneuvering Unit. It seemed like a good idea at the time: a system that would allow astronauts to do EVA without being ...
9
votes
1answer
223 views

How would one come up with an optimal team-size for a manned interplanetary mission?

How big would a manned ascent stage for Mars need to be? assumes 3 astronauts. That question appears to draw inspiration from the Apollo programme, and the Soyuz evolution. Part of the rationale ...
7
votes
1answer
487 views

Is the use of “former” with astronauts really necessary?

When reading space exploration related articles, I often come across the use of "former" to classify astronaut's status. NASA even puts "former astronauts" as a separate classification on their pages, ...
1
vote
3answers
21k views

How would one go about proving humans have really been to outer space?

Background: I am 40 years old, and in my entire life the only face to face eyewitness event that I can remember where humans actually observed an attempt to fly into outer space, the craft exploded ...
13
votes
1answer
707 views

Are all crew on board a spacecraft trained to handle flight-systems?

Spaceflightnow.com writes to say (Edited to apply my highlights) "The improvements are rather significant," Kelly said in a NASA interview. "The displays that the cosmonauts and myself ...
42
votes
1answer
6k views

What would happen if a mutiny occurred on the International Space Station?

Historically, mutiny has often occurred in close-quarter situations. While the International Space Station (ISS) is not a military operation, the term mutiny is often used to refer any sort of ...
15
votes
2answers
2k views

Do astronauts qualify to be calculated for hazardous duty in their pay?

Earlier today a grotesque incident occurred. My attempt to navigate to SOHO was redirected instead to this notice which wrote to say Due to the lapse in federal government funding, this website is ...
20
votes
2answers
11k views

Size of Apollo era astronauts

I had read that the early astronauts were all 'short guys'. This made a lot of sense. A short man can have as much stamina and endurance as a large man, yet eat less, consume less oxygen & (...
23
votes
2answers
3k views

Will the foot print of Neil Armstrong erode?

The Moon has a very thin (practically non-existent) atmosphere so the foot print left by Neil Armstrong won't be eroded for centuries. But there are solar winds. Is it possible that solar wind would ...