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Solar System
COVERT - Planets, and Celestial Objects
| Question | Answer |
|---|---|
| inner planets | small and dense planets with rocky surfaces which are Mercury, Venus, Earth and Mars |
| outer planets | larger than Earth, gas giants which are Jupiter, Saturn, Uranus, and Neptune |
| dwarf planets | orbit the sun and have enough gravity to pull themself into a sphere, but have other objects within their orbits [Pluto, Eris, Makemake, Haumera, and Ceres] |
| asteroid belt | region of the solar system between Mars and Jupiter; between the rocky planets and the gas planets. |
| Kuiper belt | hosts frozen volatiles (ices), three dwarf planets: Pluto Haumera, and Makemake and many asteroids, extends 100 times the Earth's distance from the sun |
| Oort Cloud | a spherical region of comets |
| asteroids | rocky objects, too small to be considered dwarf planetsl not spherical, with an orbit |
| meteoroids | chunks of rock or metal smaller than asteroids (10m) |
| meteor | a streak of light from a meteoroid entering Earth's atmosphere |
| meteorite | meteroids that did not burn up after entering Earth's atmosphere and are found on Earth's surface |
| comet | a loose collection of dust and ice that orbits the sun typically in a long narrow orbit |