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Ch 7 Solar System

Ch 7 Solar System GLencoe TN Grade 6

TermDefinition
Great Red Spot Giant, high-pressure storm in Jupiter's atmosphere
Jupiter largest planet, 5th planet from the sun, atmosphere made up mostly of hydrogen and helium
Neptune Usually the 8th planet from the Sun; large, gaseous, and bluish-green in color
Pluto dwarf planet, has solid icy rock surface and 3 moons : Charon, Hydra, and Nix
Saturn 2nd largest planet, 6th planet from the Sun; has complex ring system, and at least 31 moons, with atmosphere made of hydrogen and helium
Uranus (YOOR uh nus) Seventh planet from the Sun; large and gaseous, has distinct bluish-green color
Earth 3rd planet from the Sun, has liquid water and an atmosphere that protects life.
Mars 4th planet from the Sun; has polar ice caps and a reddish appearance caused by iron oxide in the soil
Mercury Planet closest to the Sun; does not have a true atmosphere; surface has many craters and high cliffs
Venus 2nd Planet from the Sun; similar to Earth in mass and size; has thick clouds; violent weather; similar to a run-on greenhouse effect;
asteroid a piece of rock made up of material similar to that which formed the planets
comet space object made of dust and rock particles mixed with frozen water, methane, and ammonia
meteor a meteoroid that burns up in Earth's atmosphere
meteorite a meteoroid that strikes Earth's surface
Oort Cloud Area located further than Pluto, containing billions of comets
Kuiper Belt Area that is home to Pluto, Dwarf Planets, and short lived planets.
rotation one turn on it's axis
revolution orbit around the sun
atmosphere layer of gases around a planet; these tend to trap heat
Terrestrial Planets Inner Planets, Mercury, Venus, Earth, Mars
Jovian Planets Outer, Gaseous Planets. Also known as gas giants.
Frost Line Invisible boundary which gases condense near planets.
Created by: green.michael