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Science lesson 4


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
latitude distance north or south from the equator measured in degrees
longitude distance measured by degrees or time east or west from the prime meridian
ellipse an oval-shaped closed curve: the shape of a planet's orbit
summer solstice the solstice on or about June 21st that marks the beginning of the summer in the Northern Hemisphere
winter solstice the solstice on or about December 21st that marks the beginning of winter in the Northern Hemisphere
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
Created by: svryan_07