How do satellites stay in space?



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    The Earth’s gravity pulls all objects towards itself at a certain speed. This is the speed at which you would fall towards the Earth with no atmosphere to slow you down. When a rocket carrying a satellite is launched into orbit, there is an exact speed (25,000 Mph) which the rocket needs to move at in order to escape Earth’s gravity. The satellite orients it’s velocity parallel to the Earth’s surface. At this speed, the rocket moves around the Earth at the same speed as Earth pulls the rocket downward. Thus, although the satellite falls towards the Earth, it also moves far enough around the planet to never hit it’s surface.

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