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Sun Earth Moon Vocab

TermDefinition
Rotation The spin of an object and it’s axis.
Rotation axis The line of which an object rotates on.
Orbit The path an object follows as it moves around another object.
Revolution The orbit of one object around another.
Solstice When Earth’s rotation axis is tilted directly toward or away from the sun.
Equinox When Earth’s rotation axis is tilted neither toward nor away from the sun.
Phase The lit part of the moon or planet that can be seen from earth.
Waxing Phase Phases of the moon during which more of the moon’s near side is lit each night.
Waning Phase Phases of the moon during which less of the moon’s near side is lit each night.
Umbra The central, darker part of a shadow where light is totally blocked.
Penumbra The lighter part of a shadow where light is partially blocked.
Solar Eclipse An occurrence during which the moon’s shadow appears on earth’s surface.
Created by: user-1973852
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