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Solar system

QuestionAnswer
Astronomy unit Used to measure far distance in space 1 AU =92,955,807.273 mi distance from earth to the sun
Meteoroid Chunk of rock smaller then asteroid
Meteor Streak of light
Meteorite Space rock found on earth
Asteroids Millions on small rocky objects that orbit the sun in the asteroid belt between Mars and Jupiter
Comets Made of gas, dust and ice revolves around the sun
Inner planets Terrestrial planets solid and rocky mercury,Venus,earth,mars
Outer planet Rings and moons hydrogen and helium Gas giants made of ice and gas Jupiter Saturn Uranus Neptune
Planet Spherical, orbits the Sun , clears its orbit
Mecury Closest planet to the sun not the hottest so small it lacks gravity and atmosphere no moon
Venus Hottest planet greenhouse effect day longer than year acid clouds no moon
Earth Only planet with known life moderate temps protective atmosphere liquid
Mars Largest known mountain Olympus mons passage sighs of life
Terrestrial planets The four inner planets
Greenhouse effect Occurs when a planets atmosphere traps solar energy and causes the temp increase
Created by: user-1979326
 

 



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