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Stack #4595142

TermDescription
Astronomical unit Used to measure far distances in space 1 AU= Distance from earth.
Meteoroid Chunks of rock smaller than asteroid
Meteor Streak of light
Meteorite Space rock found on earth
Asteroids Millions of small rocky objects 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.
Outer planets .Gas giants .made of ice and gas . Jupiter, Saturn, Uranus, Neptune . Rings and moons . Hydrogen and helium
Inner planets . Terrestial planets . Solid and rocky .mercury. Venus, earth, mars
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 rotation time is longer than its revolution Acid clouds
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 Occurs when a planets atmosphere trans 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 tilted 90 degrees so it rotates like a bowling ball
Neptune Long period of revolution Swirling storms windiest planet
Gas giants Nickname for the four outer planets
Galilean 4 moons Galileo discovered Around Jupiter It, Europa, Ganymede, callisto
Dwarf planet Pluto was the first Same as planet but not larger than its neighbors Ceres in the asteroid belt
Created by: user-1978843
 

 



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