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15 Cards in this Set
- Front
- Back
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Axis of Rotation
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The spinning of objects around an imaginary center line
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Orbit
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The path of a planet or moon takes during its revolution
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Phases of the Moon
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The different shapes of the moon during a lunar cycle
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Reflection
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The process of bouncing off
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Revolution
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The circling of an object in space around another object in space
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Earth's axis of rotation
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Imaginary poles on which the Earth spins
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Earth's tilt
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a 23.5 degree angle
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Asteroids
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Irregular pieces of rock that move through space
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Celestial Objects
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All of the different objects in space that make up our universe
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Comets
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Celestial objects made up of dust, ice, gases that orbit our sun in a large elliptical course
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Distance
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A measure of the amount of space between odjects
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Gravitational Force
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The measurement of the pull of gravity
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Gravity
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The attraction of one mass to another
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Mass
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The amount of matter in something
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Meteor
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One of the small particles of matter in the Solar System that is visible when it falls into the Earth's atmosphere
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