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8 Cards in this Set
- Front
- Back
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Rocket
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A machine that uses escaping gas to move
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NASA
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National Aeronautics and Space Administration; founded to combine all of the separate rocket-development teams in the United States.
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Thrust
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The force that accelerates a rocket
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Orbital Velocity
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The speed and direction a rocket must have in order to orbit the Earth
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Escape Velocity
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The speed and direction a rocket must travel in order to completely break away from a planet’s gravitational pull
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Artificial Satellite
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Any human-made object placed in orbit around a body in space
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Low Earth Orbit
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An orbit located a few hundred kilometers above the Earth’s surface
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Geosynchronous Orbit
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An orbit in which a satellite travels at a speed that matches the rotational speed of the Earth exactly, keeping the satellite positioned above the same spot on Earth at all times
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