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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 |