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SEM System


astronomy the study of stars
astronomer person who studys stars
rotation the spinning motion of the earth
revolution an object as it revolves arouind another object
orbit the movemengt of an object aroud onother
constalation pattern of stars
geocentric theroy the earth is in the center
helio centric therory sun in the middle
comet a collection of dirt ice and rock
gravity the force that holds us to earth
solar system the sun and its planets
nasa National Aeronautic and Space admin
meteor streak of light in the sky
telescope something used to view stars and planets
Created by: 1963018876