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SEM System
science
Question | Answer |
---|---|
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 |