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Revolution Vocab

TermDefinition
rotate/revolution to spin on an axis or the spinning of Earth on its axis that causes day and night to occur
axis the imaginary line through the Earth that extends from the north pole to the south pole and is the center is the Earth's rotation
tilt the slant of Earth's axis, which is 23.5 degrees from vertical compared to Earth's orbital plane around the Sun. As a result, the North Pole always points towards the north star.
revolve, revolution move in an elliptical path around a center
orbital path the gravitationally-curved path of an object around a point in space
seasons the four natural divisions of the year based on changes in temperature due to the varied amounts of sunlight (both intensity and number of daylight hours received) caused by the tilt of Earth during revolution.
hemisphere half of a sphere; the earth and celestial sphere can be divided into northern and southern or eastern and western hemispheres
direct rays the shortest possible way without intermediates.
indirect rays Direct: the shortest possible way without intermediates.
Created by: isid2790
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