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6th Gr AstroCh 2/1&2
Astronomy -Chap 2
Question | Answer |
---|---|
Thrust | reaction force that propels a rocket forward |
velocity | speed in a given direction |
orbital velocity | velocity a rocket thrust achieves to establish an orbit around Earth |
escape velocity | velocity for a rocket to fly beyond a planet's gravitational pull |
satellite | object that revolves around anther object in space |