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Stack #113589
| Question | Answer |
|---|---|
| Astronomical Unit | Earth’s average distance from the Sun, which is approximately 150 million Kilometers |
| Ring | wide, flat zone of small particles that orbit around a planet’s equator |
| Ellipse | an oval or flattened circle |
| Asteroid | small, rocky body that orbits close to the Sun |
| Terrestrial Planet | planets that have a rocky surface |
| Comet | small, icy body in the outer solar system which can or does produce a coma of gas and dust |
| Tectonics | process of change in a crust due to the movement of hot material underneath |
| Meteor | brief streak of light produced by a small particle entering Earth's atmosphere at a high speed |
| Volcanism | the process of molten material moving from a planet's hot interior onto its surface |
| Meteorite | small object from outer space that passes through the Earth's atmosphere and reaches the surface |
| Gas Giant | a large planet that consists mostly of gases in a dense form |