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Solar system

TermDefinition
Astronomical Used to measure far distance in space 1 AU= Distance from Earth to sun
Meteoroid Chunk of a small rock 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
Comet Made of gas dust and ice relive around the sun in the Kuiper Belt and Oort Cloud
Inner planets Terrestrial planets Solid rocky Mercury Venus Earth mars
Outer planets Gas plants
Mercury Closest to the sun Not the hottest Lacks of gravity and atmosphere
Venus Hottest plant Greenhouse effect Day is longer than year Acid clouds
Earth Only planet with life Moderate temperature Protective atmosphere Liquid water
Mars Largest known mountain Possible signs of life
Terrestrial planets The four inner planets
Greenhouse effect Occurs when a planet atmosphere traps solar energy and causes the temperature to increase
Created by: user-1979410
 



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