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13 Cards in this Set
- Front
- Back
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rotation |
the act of rotating on an axis |
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revolution |
the act of rotating around the sun which takes 1 year |
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axis |
an imaginary line that something rotates on |
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orbit |
the curved path of a celestial object or spacecraft around a star, planet, or moon |
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tilt |
move or cause to move into a sloping position |
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solstice |
either of the two times in the year, the summer solstice and the winter solstice, when the sun |
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equinox |
the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length |
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seasons |
each of the four divisions of the year (spring, summer, autumn, and winter) marked by particular weather patterns and daylight hours, resulting from the earth's changing position with regard to the sun. |
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sphere |
a three-dimensional circle |
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hemisphere |
half of a circle |
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equator |
an imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres and constituting the parallel of latitude 0°. |
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latitude |
the angular distance of a place north or south of the earth's equator (vertical lines on a map) |
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longitude |
the angular distance of a place east or west (horizontal lines on a map) |
