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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
Space does not "lose" oxygen as it is a vacuum. Oxygen is present in the Earth's atmosphere, but it becomes extremely sparse as you move away from the planet. The lack of oxygen in space can make it uninhabitable for humans without proper life support systems.
How long does space go on for?
No one knows.
We can measure space distance in light years (distance light travels in a year, at 186,000 miles a second or 300,000 km/s). One light year is nearly 10 trillion km.
Current best estimates suggest the universe has an age of about 13.7 billion years. At the very beginning, just after the big bang, it briefly but dramatically expanded at a rate far faster than the speed of light (known as the period of inflation) and then at a lesser speed since then. This has placed much of the universe so far away that it can never now be reached if travelling at the speed of light.
We can see 'back' to some distant objects as they appeared about 13 billion years ago (and theoretically we could see back to just after the big bang 13.7 billion years ago). The calculations for their current distance (and thus the radius of the visibleuniverse) are complicated by the fact that the space has been expanding in the meantime, but it must exceed (the speed of light) x (the time taken to get here), i.e. over 13 billion light years [or 130 billion trillion kilometers]. Taking interim expansion into account multiplies this figure by about three times, and also gives the radius of the observable universe - the bits we can see assuming we can see back to just after the big bang - as 46.5 billion light-years.
But, how big is the universe including the non-observable portion, the bit we have permanently lost track of because of inflation? The answer has been estimated as at least 1023 times as large, that's 100,000,000,000,000,000,000,000 times as large, and possibly far, far larger than that.
How do astronauts get skinny legs?
In microgravity of space, astronauts don't use their leg muscles as much, leading to muscle atrophy. This can result in skinny legs when they return to Earth. Regular exercise and physical therapy help astronauts regain muscle mass and strength.
Note: This is science fiction. The LOST TAPES episode "Alien" begins with: "The presence of hidden creatures is the subject of continued debate" ... "The following story is INSPIRED by the possibility of their existence"... It could happen...but it has not yet...that we know of... :)
What are juggernauts suit made out of?
Juggernaut's suit is made out of a mix of steel, kevlar, and various other advanced composite materials. It provides enhanced durability and protection against physical and energy-based attacks.
How old was Guion S Bluford when he died?
GUION S BLUFORD IS NOT DEAD YET , BUT HE IS ABOUT 67 YEARS OLD IN 2009.
Astronauts are important because they advance our knowledge on space, and space exploration. They find cures for diseases or sickness's such as bone cancer or motion sickness. They can also tell what the temperature or weather is.
They can also report to other countries if something bad is coming toward them like, a worldwide flood.
How fast do astronauts travel?
Astronauts in the International Space Station (ISS) travel at an average speed of about 28,000 kilometers per hour (17,500 miles per hour) in their orbit around Earth. This high velocity allows them to complete roughly 16 orbits of the planet in a 24-hour period.
How many astrounats have died?
It depends on precisely what you are asking - just American Astronauts or including Russian or Soviet Cosmonauts, whether they were in a space mission or training, and some other variables. The best answer to your question is 18. See the related link for more information.
How do astronauts drink water?
Astronauts drink water in space by having a lid on their cup so the water doesn't go out of the cup and damage the shuttle. They could also drink water from packets like drink bottles. They try not to spill it all over themselves.
What do you call the meaning of the word for a person who travels in space?
The dictionary definition is astronaut! Here is the meaning of the word.
An astronaut is a person who goes into space. Astronauts travel in spaceships. Some astronauts have walked on the moon.
What was the exact quote that Scott carpenter said to john glenn?
As mission control performed its final system checks, Scott Carpenter, the backup astronaut for the mission, said "Godspeed, John Glenn."
Who was the first American astronaut to preform spacewalk?
The first American to perform an EVA (ExtraVehicular Activity) was Edward H. White II, on Gemini 4. This occurred on June 3, 1965, just four years before mankind would perform an EVA on the lunar surface.
How is the spacesuit designed to protect the astronaut outside of a spacecraft?
A spacesuit contains air under pressure to protect from the vacuum in space. It must be designed with a compromise of rigidity and flexibility, so that it does not inflate like a balloon (preventing him from reentering the spacecraft) and allowing him to move and perform tasks.
Were did john glenn land when he returned from space?
NASA astronaut John Glenn's February 20, 1962 flight splashed down in the Atlantic Ocean after circling the earth three times.
How does being an astronaut serve the larger world community?
being an astronaut serves the larger world community by
What contry was john Glenn born in?
Former NASA astronaut and U.S. Senator from Ohio John Glenn was born in Cambridge, Ohio on July 18, 1921.
