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13 Cards in this Set
- Front
- Back
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Axis |
An imaginary line that cuts through the center of a planet around which it spins |
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Day |
Based on 24 hours it takes Earth to rotate |
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Eclipse |
Result of an alignment of the Earth, Sun, and Moon |
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Equinox |
Occurs when the tilt of Earth causes the length of day and night to be equal; this is the start of sprint and autumn |
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Lunar eclipse |
Occurs when Earth is directly in between the sun and the Moon |
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Revolution |
An elliptical orbit around a central body; around the sun and the moon |
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Rotation |
The spinning of a planet (like Earth) on its axis |
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Seasons |
We have these because of the tilt of earth's axis in the same direction as it moves around the sun |
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Solar eclipse |
Occurs when moon is directly in between the sun and the earth |
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Solstice |
Occurs when the tilt of earth causes the length of day to be the longest or shortest; this is the start of summer or winter |
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Sphere |
A around 3 dimensional object who surface is the same distance from the center at all points |
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Title of earth's axis |
23 1/2 degrees |
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Year |
Based on 365 1/4 days it takes Earth to revolve around the sun |
