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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 or smaller than asteroid
Meteor Streak of light
Meteorite Space of rock found in earth
Astroids Millions of small rocky objects that orbit the Sun in the asteroid belt between Mars and Jupiter
Comets made of has,dust, and ice , revolve around the sun in the Kuiper Belt and the Oort cloud
Inner planets Terrestrial planets Solid and rocky Mercury, Venus, Earth, and Mars
Outer planets Gas giants Made of ice Jupiter, Saturn, Uranus, Neptune Rings and moons
Mercury Closest planet to the sun Not the Hottest- so small it lacks gravity and atmosphere
Venus Hottest planet Greenhouse effect Day is longer than a year round time is longer than it’s reveloution Acid clouds
Earth Only planet with known life Moderate temperatures Protective atmosphere Liquid water
Mars Largest known mountain- Olympus moms Possible signs of life
Terrestrial planets The four inner planets- nickname
Greenhouse effect Occurs when a planet’s 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-it would float Home of Titan-a moon
Uranus Rotation axis is tilted 90 degrees so rotates like a bowling ball
Neptune Longest period of revolution Swirling storms-windiest planet
Gas giants Nickname for the outer planets
Galilean moons Four moons Galileo discovered around Jupiter IO, Europa, Ganymede Callisto
Dwarf planet Pluto was the first Same as a planet but not larger than its neighbors Ceres is in the Astro belt
Created by: user-1979164
 

 



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