What is “weightlessness”?
A. Weight is the pull of gravity on something, your body for instance. The earth’s gravity becomes weaker as you move away from it, but it is never zero. An astronaut is not “weightless” because there is no gravity in space; the gravity in near-earth space is almost as great as gravity on the surface of the earth. Astronauts are “weightless” because they are falling to earth as they orbit around it, so there is nothing pushing upward on their feet.
Related Questions
- When the Neopet or Hero that Ring of Weightlessness is attached to loses a contest, which card does my opponent get to move to a new arena, Ring of Weightlessness or the Neopet or Hero?
- Is it true that prolonged weightlessness causes deterioration of bones?
- How do astronauts learn how to deal with weightlessness?
