I'm uncertain what the question means. Astronauts do not normally 'train' while in space. They train in preparation for space. Assuming that is what the question means:
There are two ways astronauts train for weightlessness. Neither is satisfactory.
* They train it a place called the WIF or Water Immersion Facility. You can think of this as a swimming pool where the astronauts and the equipment they handle are made neutrally buoyant. That is, heavy or light material is attached so they neither float nor sink in water, but remain suspended in the water. The resistance of the water on movement and the fact that your internal organs still feel the pull of gravity limit it's value for simulating weightlessness in space. * They ride on an airplane that makes zero-g parabolic flights (visit link below). The airplane (called variously, the Vomit Comet, the Weightless Wonder, etc.) climes to a peak then allows itself to fall for about 30 seconds. When you are falling you are weightless, so this accurately simulates the weightlessness of space. But, but the short periods and the high forces when the plane pulls out of the fall make it of limited value for training.
my answer is gravity
it is advantageous for astronauts to live on a space station rather a space shuttle because a space station allow astronauts to stay and work extended time . A space shuttle is a space craft to transport astronauts , satellites, and other materials to and from space.
Astronauts ride in a STS (Space Transporation System/Space Shuttle)
We see astronauts floating in space but not on earth.why?
The Apollo 13 astronauts were not on the space shuttle.
Suckkkin dick
Weightlessness.
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.
The spacecraft that astronauts go up in, have their own life support systems which regulate conditions to keep the spacecraft hospitable.
No one being able to hear them scream.
my answer is gravity
trained space astronauts
Astronauts are people who fly in space
Most astronauts have to go to the hospital anyways for a check up before they leave for space. Some astronauts get hurt or injured n space and may need to get tothe hospital when they return. When astronauts get back they have an examination too. Astronauts are highly trained, but they are still human and can get sick or injured like anyone else.
The astronauts can float in the
it is advantageous for astronauts to live on a space station rather a space shuttle because a space station allow astronauts to stay and work extended time . A space shuttle is a space craft to transport astronauts , satellites, and other materials to and from space.
Astronauts ride in a STS (Space Transporation System/Space Shuttle)