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7 Cards in this Set
- Front
- Back
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Mass
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The mass of something is the amount of substance or matter it contains.
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Weight.
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Weight is the force of gravity pulling on a mass
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Gravity
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Gravity is the force of attraction between two masses
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Satellites
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A satellite is anything that orbits around a planet.
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Space probes
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Unmanned space craft that are sent to take pictures or gather data about other planets or moons.
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Orbiter
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An orbiter is a space probe that is put into orbit around another planet and takes pictures or measurements from space
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Landers
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Landers are space craft that land on other planets or moons, to take pictures or analyze samples of rock or soil.
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