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cock-a-doodle-do!!!!
10 cards
Question | Answer |
---|---|
rocket | an object that shoots gas out one way to go the other way |
thrust | reaction force that propels a rocket forward |
velocity | speed in a given direction |
orbital velocity | velocity a rocket must achieve to establish an orbit around earth |
escape velocity | velocity a rocket must achieve to fly beyond a planets gravitational pole |
satelite | an object that revolts around another object in space |
space shuttle | space craft that can carry a crew in orbit |
space station | artificial satelite on which people can live and work for long periods |
space probe | space craft that carries scientific instruments that can collect data |
robers | small robots that move around on a planets surface |