23 Astronauts on the orbiting space shuttle are weightless because... there is no gravity in space and they do not weigh anything.space is a vacuum and there is no gravity in a vacuum.space is a vacuum and there is no air resistance in a vacuum.the astronauts are far from earth's surface at a location where gravitation has a minimal effect.
24 The Big Misconception"Doesn't a massive object accelerate at a greater rate than a less massive object?".
25 Falling and Satellite Motion What does falling have to do with keeping a satellite in orbit?
26 What if there where no gravity? Satellite MotionWhat if there where no gravity?
27 Falling into the EarthA satellite does fall towards the Earth; only it never falls into the Earth.
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