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The solar system

QuestionAnswer
Astronomical unit Used to measure far distances in space 1 AU=Distance from earth to sun
Meteoroid Chunk of rock smaller than asteroid
Meteor Streak of light
Meteorite Space rock found on earth
Asteroids Millions of small rocky that orbit the sun in the asteroid belt between Mars and Jupiter
Comets Made of gas, dust, and ice, revolve around the sun in the Kuiper Belt and Oort Cloud
Inner planets Terrestrial planets Solid and rocky Mercury, Venus, earth, mars
Outer planets Gas giants Made of ice and gas Jupiter, Saturn, Uranus, Neptune Rings and moons Hydrogen and Helium
Mercury Closest planet to the sun.
Venus Hottest planet cause green house effect, day longer than year, acid clouds
Earth Only planet with life
Mars Largest known mountain Olympus-mons, possible signs of life
Terrestrial planets The Four inner planets
Greenhouse effect Occurs when a planets atmosphere trap solar energy and cause the temperature to increase
Jupiter Great Red Spot Galilean moons largest planet
Saturn Most complex ring system least dense planet titan largest moon
Uranus Rotation axis is tilted 90 degrees so rotates like a bowling ball
Neptune Longest period of revolution swirling storms-windiest planet
Galilian moons Io, Europa, Ganymede, Callisto
Dwarf planet Pluto was the first ceres in the asteroid belt
Created by: user-1979381
 

 



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