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science 6

the solar system

TermDefinition
comet space object made of dust and rock particles mixed with frozen waters, methane, an ammonia that forms a bright coma as it approaches the sun
meteor a meteoroid that burns up in Earth's atmosphere
meteorite a meteoroid that strikes the surface of a moon or planet
system a portion of the universe and all of its components, processes, and interactions
space probe an instrument that is sent to space to gather info. and send it back to earth
moon a natural satellite of a planet that is held in its orbit around the planet by the planet's gravitational pull
crater a nearly circular depression in a planet, moon, or asteroid that formed when an object from space hits its surface
solar system system of 8 planets, including Earth, and other objects that revlove around the sun
mercury smallest planet, closest to sun, doesn't have a true atmosphere has a surface with many craters and high cliffs
Earth 3rd planet from the sun; atmosphere protects life and surface temperatures that allow water to exist as a solid, liquid, and gas
great red spot giant, high-pressured storm in jupiter's atmosphere
jupiter largest and 5 planet from sun; more mass than all planets combined, continuous storms of high pressured gas, and atmosphere mostly of hydrogen and helium
mars 4 planet from sun; has polar ice caps, thin atmosphere, reddish appearance caused by iron oxide in weathered rocks and soil
asteroid a piece of rock or metal made up to that which formed the planets; mostly found in asteroid belt in between mars and jupiter
neptune 8 planet from sun; large and gaseous, has rings that vary in thickness, and is bluish-green in color
uranus 7 planet from sun; large and gaseous, has a distinct blush-green color, rotates on an axis nearly parallel to the plane of its orbit
dwarf planet pluto
saturn
venus 2 planet from sun; similar to earth in mass and size; thick atmosphere and surface with craters, fault-like cracks, and volcanos
Created by: rconner
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