Although the Earth's gravity has a lesser effect on an astronaut orbiting the Earth in a spaceship than on a person on the surface of the Earth, this is not the reason why an astronaut experiences weightlessness. The space shuttle, International Space Station and most other manned vehicles don't get that far from the Earth. The Earth's gravitational attraction at those altitudes is only about 11% less than it is at the Earth's surface. If you had a ladder that could reach as high as the shuttle's orbit, your weight would be 11% less at the top. Put another way, a person who weighs 100 pounds on the Earth's surface would weigh about 89 pounds at the top of the ladder.
the gravity
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yes
The statement that astronauts on the Moon are weightless is true.
Yes, but they do have the same mass. Weight is based off the effect of gravity pulling something down, because there is no gravity in space astronauts are weightless.
What happens to your bones when you are weightless, is that your bones will get weaker and weaker. That is why everyday, astronauts, have to spend two hours on a treadmill everyday of there space expedition.
yes there are
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yes
They are in the vacuum of space.
Astronauts are weightless in space because there is no gravity in space. The lack of gravity is what allows them to float.
the absence of the gravitational force or field in space causes the astronauts to become weightless
They do not. Astronauts in space are effectively weightless, so for them, there is no up or down; the idea of "upright" has no meaning.
The statement that astronauts on the Moon are weightless is true.
Because of the weightless conditions in space, astronauts' muscles are not getting exercised therefore they waste away.
It makes astronauts weightless.
Yes, but they do have the same mass. Weight is based off the effect of gravity pulling something down, because there is no gravity in space astronauts are weightless.
As there is no gravity in space, everything will float........... Because They're in free fall ........