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Astronauts

This category is for questions related to the personal requirements of Astronautical missions. The training, living accommodations, and working conditions both on the Earth and in space are discussed here. For further information on a particular astronaut, please see the name in question.

1,993 Questions

Why a space suit must for the astronaut?

One: Because there is no air.

Two: Because there is more pressure in our bodies than in space so the suit keeps the pressure on the outside of us equal to the inside

hope this helps :)
Because there is no air in space. This means that unless you wear a pressurized suit you die.

Also because there are no air molecules so there is little air pressure. They need a balance in pressure to survive because like on Earth our bodies and the air outside them balance one another. So they wear these in order to live have the balance in pressure.

If the pressure of atmosphere is changed suddenly, the blood vessels in our body will burst due to the pressure of the blood and other fluids inside. This is why astronauts have to wear special pressurized suits-there is no air and, therefore, no air pressure in space.
Astronauts wear space suits because it protects them from the pressure and temperature in the vacuum of space. It provides an atmosphere similar to Earth's including oxygen and nitrogen. It provides water and the diaper handles waste. If they did not wear a space suit then this would mean they would die. However, this is because they wouldnt be able to breath so that they would not be able to breath in the oxygen they need to keep them alive.

What is the head astronaut called?

He is called the Chief Astronaut. The first Chief Astronaut of NASA was Deke Slayton, a position he held from 1963 until his return to flight status in 1972.

Which of the Mercury astronauts did not fly into space?

Shuttles have only been designed to be in low earth orbit and do not have the capability to go to the moon. The Apollo missions were the ones that traveled to the moon, and there have been no lunar missions since 1973.

How do astranouts go to the toilet?

They pee into s small device, and the urine ends up in a small container. When they press a button, the urine sprays out into space.

Where does Julie Payette live now?

You wouldn't be able to know what they are doing because people are active all the time so they are doing different things all day unless you just like doing only one activity all day. The only way you would know what they are doing is if you watched them. (i recommend not doing that for you may creep that person out.)

What do astronauts get when they do their homework?

Astronauts who do their homework and learn what they're supposed to learn are rewarded with a flight into space.

Why is chris hadfield important in Canada?

Chris Hadfeild is important because in June 1992 Chris Hadfield was selected to become one of four new Canadian astronauts from a field of 5330 applicants.

Can astronauts speak in space?

Yes, astronauts talk in space, as they always have acess to oxygen.(using radios)

Who was the first astronaut in the moon?

Most likely Gene Cernan. As commander he was the first out of the LM and the last back into the LM. And since A-17 has the longest duration EVA and most total EVA hours, Gene Cernan must hold this record.

What are the requirements you need to become an astronaut?

you need to study mathematics,astronamy,engineering,geology,chemistry,biology,physics and electronics. you dont have to be a champion athelete,but fitness is very important too.

How do astronauts control temperature while on a space mission?

Strangely, both heating and cooling are required in spacecraft: radiant heat is constantly being lost to the cold of space, while the radiation from the Sun will rapidly heat any object in orbit around the Earth or Sun.

Spacecraft use both passive and active temperature controls. Reflective materials and coatings prevent the buildup of heat from the Sun. Active systems remove heat from the sunward side and use it to warm the interior. For astronauts outside a spacecraft, excess body heat has to be removed from their cramped spacesuits, while the suit exteriors insulate them from both the Sun's rays and the frigid cold of space.

What is one word for an astronaut?

Those who were involved in the pioneer exploration of space, in the former Soviet Union, call their space travelers cosmonauts.

How can astronauts hear each other in spacecraft?

In space, there is no wind or something to carry the sound waves. Sound waves must travel for people to hear. For example, if an explosion took place in space, you will not hear anything because the sound waves created by the explosion won't travel.

Who are famous Canadian astronauts?

Roberta Bondar andJulie Payette are the names of the canadian female astronauts


1) Roberta Lynn Bondar 2) Julie Payette

Did any female astronaut travel to the moon?

No female astronaut has ever been to the moon. There have been only 12 Astronauts who have landed on the moon. All of them were men.

Why did Gemini astronauts have a mirror on their suit?

The Laser Ranging Retroeflector (LRRR) is an optical corner reflector used to measure lunar librations (both in latitude and longitude), the recession of the moon from the Earth due to tidal dissipation, and the irregular motion of the Earth, including the Chandler wobble of the poles. This is accomplished by using the technique of short-pulse laser ranging. NASA astronauts placed 3 LRRR's on the lunar surface. The LRRR of Apollo 14 differed in only main design aspects from that on Apollo 11. The LRRR on Apollo 15 was the largest, with 300 separate sub-reflectors - The previous two had only 100. The Apollo 15 array consisted of a hinged, two panel assembly (204 and 94 reflectors) mounted on a leg assembly, which was deployed by the astronaut. The larger array was to allow smaller telescopes on Earth to receive signals from it, but a report on July 31, 1971 showed that the larger array was comparable, but not superior, to the smaller arrays.

How much money do astronauts get paid per mission?

Yes, astronauts do get paid for their work. NASA pays its astronauts a salary based on their experience and qualifications, with the average astronaut earning around $70,000 to $100,000 per year. In addition to their base salary, astronauts may also receive bonuses and other benefits. The exact amount an astronaut earns can vary depending on a number of factors, including their specific job duties and the length of their mission.

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What other modes of communication astronauts can use when they are outside the space shuttle?

Two astronauts sitting in the same space ship can communicate by mouth ... at least while it's full of air ... or by passing notes. As soon as they put on their space suits, though, or if they feel like talking to anyone on earth or in another spaceship, radio is the only way.

However, they could revert back to "archaic" technologies like sign language or perish the thought semaphore.

What kinds of food does astronauts eat now?

These days, astronauts have a much wider variety to choose from than in the early years of space flight, but even now, food must be prepared in a special way to be appropriate for space travel. Not every food works well is a zero gravity environment: some foods are too hard to digest, such as anything carbonated. Space food must be nutritious and easily digestible, but it must also taste good, since the astronauts will be relying on it for a prolonged period of time. In addition, the food must be specially engineered for consumption in a zero gravity environment (you may see astronauts eating food from tubes-- which are easier to handle and less likely to float away).

In order to be used in space, the food must be well-packaged, able to be served quickly, and not need much cleaning up after being eaten. (For example, a food item that leaves crumbs would be a problem.) Above all, foods to be used in space should require very little preparation; they must store well over long periods of time; and they must be easy to open. NASA has successfully packaged a wide variety of foods, some freeze-dried, some powdered, that are able to be prepared on the space shuttle (in some cases, water is added, and the food can then be heated up). You can see photos of men and women in space eating everything from grilled cheese sandwiches to spaghetti and meatballs or various kinds of stews. There is even a space ice cream dessert that is available to the astronauts.

Who is the first astronaut to go to Mercury?

Gordon Cooper, on board the Mercury-Atlas 9 mission spacecraft named FAITH 7, was the astronaut on the final Mercury mission on May 15-16, 1963.

(John Glenn was later to go into space on board a shuttle mission, so technically he was the last of the astronauts of Project Mercury in space.)

What jobs or tasks do astronauts do in space?

They eat and stuff :)

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No, that answer was not "useful". In a space-shuttle itself, they can do no more than fly it to the Space Station or back to Earth - rather as its name implies. Once in the Space Station most of their working time is spent in performing various scientific experiments and measurements.

What did Neil Armstrong do after he landed in space?

  • In 1970, he was honored with the Robert H. Goddard Memorial Trophy.
  • In May 1970, Armstrong went to the Soviet Union to speak on Space Research, at the 13th annual conference of the International Committee.
  • He resigned from NASA in 1971 and started working at the University of Cincinnati in Ohio.
  • Seven years later that is in 1978, he was given the Congressional Space Medal of Honor.
  • In 1980 Armstrong became the chairman of Cardwell International, a supplier of oil-drilling equipment.
  • In 1986 he became the vice-chairman of Challenger inquiry to find the cause of explosion of the Challenger space shuttle.
  • He later worked with the EDO Corporation.
  • Armstrong married Carol Knight on June 12, 1994. This was his second marriage.
  • He was troubled when Hallmark Cards used one of his quotes in a Christmas ornament without his permission. He sued them for that in 1994.
  • He retired from the post of Chairman of Board, from the EDO Corporation in 2002.
  • In October 2004, Purdue University announced that they were going to name their new engineering building as Neil Armstrong Hall of Engineering.
  • In May 2005 Armstrong had a strange battle with his barber who had sold his hair after cutting them and made money in the name of Armstrong.
  • Armstrong's authorized biography titled 'First Man: The Life of Neil A. Armstrong' was brought out in the year 2005.
  • Armstrong is often asked by the press, about the future of space flights. In his opinion, the mission of a man on mars is going to be less challenging than the lunar landing. Today, at the age of 78, he looks at aeronautics with concern and foresight.

What contributions did Roberta Bondar make to science and technology?

As Roberta Bondar is a neurologist and an astronaut, her contribution to science and technology has been in the study of the mechanisms in the human body that enable it to recover from exposure to space.

Bondar is Canada's first woman astronaut, and has worked as NASA's head of space medicine for over 10 years. She holds a number of degrees in the fields of zoology, agriculture, pathology, as well as a PhD in Neuroscience. She is a Fellow of the Royal College of Physicians and Surgeons of Canada.

Subjects on which Roberta Bondar is considered an authority include 'disorientation and adaptive decisions' and 'space medicine and related earth diseases'. She had made any new innovations and inventions to the world of science. Her inventions have been placed and used by the UNIVERSITY OF NEW MEXICO. She performed life science and material science experiments that studied the effects of weightlessness on the human body.