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Stack #4595121

QuestionAnswer
Astronomical Unit Used to measure far distances in space. 1 AU= Distance from earth to sun
Meteoroid Chunks of rock smaller than asteroid
Meteor Streak of light
Meteorite Space rock found on earth
Asteroid Millions of small rocky objects that orbit the Sun in the asteroid belt between Mars and Jupiter
Comets Made of gas, dust, and ice that revolves around the sun in the Kuiper Belt and Oort Cloud
Inner planets Terrestrial planets All 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 to the sun NOT THE HOTTEST- so small it lacks gravity and atmosphere
Versus Hottest planet- greenhouse effect Acid clouds Day is longer then year- rotation time is longer then revolution
Earth Only planet with known life Moderate temperatures Protective atmosphere Liquid water
Mars Largest known mountain-Olympus Mons Possible signs of life
Terrestrial planets The four inner planets
Greenhouse effect When planets atmosphere traps solar energy and causes the temperature to increase
Jupiter Largest planet Galilean moons Great red spot
Saturn Most complex ring system Least dense planet-would float Home of titan-a moon
Uranus Rotation axis is tilted 90 degrees so it rotates like a bowling ball
Neptune Longest period of revolution Swirling storms-windiest planet
Gas giants Jupiter, Saturn, Uranus, Neptune-nicknamed for the 4 outer planets
Galilean moons 4 moons Galilean discovered around Jupiter -Io, Europa, Ganymede, Callisto
Dwarf planet Pluto was first Same as planet but not larger then its neighbors Ceres in the asteroid belt
Created by: user-1978834
 

 



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