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Solar system

TermDefinition
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 objects that obit the sun in the asteroid belt between mars and Jupiter
Comets Made of gas dust and ice revole
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.
Mercury Closest planet to the sun not the hottest so small it lacks gravity and atmosphere.
Venus Hottest planet greenhouse effect day is longer then its year acis clouds
Earth Only planet with known life moderate temperatures protective atmosphere liquid water
Mars Largest known mountain Olympus mons possible
Terrestrial The four inner planets
Greenhouse effect Occurs when a planets atmosphere traps solar energy and cause the temperature to increase.
Jupiter Largest planet Galilean moons Great Red Spot
Saturn Most complex ring system least dense planet it would float titan largest moon
Uranus Rotation axis is tilted 90 degrees so rotation like a ball
Neptune Longest period of r
Gas giants Jupiter Saturn Uranus Neptune nickname for the 4 planets
Galilean moons 4 moons Galileo discovered around Jupiter
Created by: user-1979336
 

 



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