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Timothy ES Review 2

Moon and planets

Mercury No atmosphere, so both hot and cold, no moons, closest to the sun, terrestrial
Venus Very thick sulfur atmosphere, very hot, no moons, retrograde rotation, terrestrial, known as "Morning Star" or "Evening Star"
Earth Atmosphere, able to sustain life, 1 moon, terrestrial
Mars No atmosphere, red planet, surface is iron oxide, 2 moons: Phobos and Deimos, terrestrial, 1/2 the size of earth
Jupiter Jovian, known for the Great Red Spot, largest planet in the solar system, has over 60 moons, Largest 4 moons: Io, Callisto, Ganymede, Europa
Saturn Jovian, cold, known for colorful rings, has over 30 moons, largest moon is Titan,
Uranus Jovian, cold, pale blue color, "rolls" around the sun at a 90 degree angle instead of a slight tilt like the rest of the planets, over 20 moons, has a few, light rings
Neptune Jovian, cold, over 13 moons,largest moon is Triton, has the Great Dark Spot,
Pluto now considered a plutoid or dwarf planet because it is so small,very cold, terrestrial, 3 moon, large moon named Charon, frozen ball of methane, water, and rock
centripetal force force that causes something to move in a circle
vortex a spiraling mass of water or air
satellite something that orbits around another body, can be man-made or natural
retrograde rotation movement that is backwards or opposite that of earth
terrestrial "earth-like", planet of solid rock
jovian "jupiter-like", planet made of gas
Created by: marlynp