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Solar System
| Question | Answer |
|---|---|
| Heliocentric | Based on the belief that the sun is the center of the universe |
| Geocentric | A model of the universe in which Earth is at the center of the revolving planets and stars. |
| solar system | sun, planets, and all the other objects that revolve around the sun |
| Matter | Anything that has mass and takes up space |
| Solar Nebula Theory | a theory for the evolution of the solar system from a rotating cloud of gas |
| Big Bang Theory | The theory that the universe originated in a huge explosion that released all matter and energy. |
| orbit | The path of an object as it revolves around another object in space |
| planet | A large body in space that orbits a star and does not produce light of its own |
| Dwarf Planets | Smaller, round objects that orbit the sun. |
| Comet | A ball of frozen dust and rock that orbits the sun and has a tail that glows |
| Asteroid | A rocky object that orbits the Sun, found mostly in the region between Mars and Jupiter. |
| Meteoroid | A relatively small (sand-grain to boulder size) piece of debris chipped off from an asteroid or comet. |
| Meteor | A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere. |
| Meteorite | A meteoroid that passes through the atmosphere and hits Earth's surface. |
| Space Shuttle | a vehicle used for traveling in space. |
| Telescope | an instrument that is used to view distant objects |
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