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vocab

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
polaris   the polestar or North pole, a star of the second magnitude situated close to the north pole of the heavens, in the constellation Ursa Minor: the outermost star in handle of the little dipper  
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latitude   distance north or south from the equator measured in degrees  
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longitude   distance measured by degrees or time east or west from the prime meridian  
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ellipse   an oval-shaped closed curve: the shape of a planet's orbit  
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summer solstice   the solstice on or about June 21st that marks the beginning of the summer in the Northern Hemisphere  
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winter solstice   the solstice on or about December 21st that marks the beginning of winter in the Northern Hemisphere  
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equinox   the time when the sun crosses the plane of the earth's equator, making night and day of approximately equal length all over the earth and occurring about March 21  
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