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Stack #4595351

QuestionAnswer
Astronomical unit Used to measure far distances in space 1 AU= distance from earth to sun
Meteoroid Chunks of rock smaller than an asteroid
Meteor Streak of light
meteorite space rock found on earth
Asteroids Millions of small rocky object 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 -rings and moons -hydrogen and helium
Mercury Closest to the sun Not the hottest So small it lacks gravity and no atmosphere
Venus Hottest planet Greenhouse effect Day is longer than a year-rotation Tim is longer that’s is 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 traps Solar energy and causes the temperature to increase
Term Description
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 it rotates like a bowling ball
Neptune Longest period of revolution Swirling t storms windiest planet
Gas giants Jupiter Saturn Uranus Neptune Nickname for the 4 outer planets
Galilean moons 4 moons Galileo discovered around Jupiter 10 Europa Ganymede Callisto
Dwarf planets Pluto was the first Same as planet but not larger than its neighbors Ceres in the asteroid belt
Created by: user-1979071
 

 



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