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Stack #4548970
| Question | Answer |
|---|---|
| Satellite | A body that orbits a planet |
| Star | A giant ball of superheated gas, or plasma, composed of hydrogen and helium |
| Planet | An object that orbits the sun |
| Meteor | A streak of light produced when a small piece of rock or ice |
| Comet | A cold mixture of dust and ice that develops a long trail of light |
| Constellation | A pattern or group of stars that people imagine represents a figure, animal, or object |
| Geocentric | Earth-centered model |
| Heliocentric | Sun-centered model |
| Ellipse | An oval shape |
| Axis | An imaginary line that passes from the North Pole, through the Earths center, to the South Pole |
| Rotation | The spinning of earth |
| Revolution | The movement of one object around another |
| Orbit | One revolution of Earth around the sun takes one year |
| Solstice | Earth is directly tilted toward or away from the sun which causes the longest or shortest daylight of the year |
| Equinox | Earth is not tilted toward the Sun which causes equal day and night |
| Gravity | Force that attracts all objects toward each other |
| Law of universal gravitation | States that every object in the universe attracts every other object |