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Chapter 2

Exploring Space

TermDefinition
thrust the reaction force that propels a rocket forward
orbital velocity the velocity a rocket most achieve to establish an orbit around earth
escape velocity the velocity a rocket must reach to fly beyond a planet's gravitational pull
velocity speed in a given direction
satellite an object that revolves around another object in space
rocket s device that expels gas in one direction in order for the rocket to move in the opposite direction
Created by: mjbernhardt3
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