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Objects in Space

Unit 10

Comet made of ice, dust, and rocks; called "dirty snowballs"; have long tails due to getting close to the sun; have very large orbits around the sun
Asteriods Small, rocky bodies that revolve around the sun; mostly found between Mars and Jupiter
Asteriod Belt A region between Mars and Jupiter in which most asteriods orbit the sun
Meteoriods Smaller than asteriods; rocky and metallic; travels through space; probably pieces of asteroids
Meteors A bright streak of light cause by a meteoroid burning up in the Earth's atmosphere; sometimes known as "Shooting Stars"
Meteorites A meteoroid that hits the Earth's surface without completely burning up
Meteor shower Large numbers of meteors burning in the Earth's atmosphere at same time
Terrestrial Planets The four inner planets (Mercury, Venus, Earth, & Mars) that have rocky surfaces; Earth-like planets
Gas Giants The four outer planets that are massive and are made of different types of gases; these planets have large atmospheres
Planet Greek for "wanderer"; originally thought to be wandering stars by ancient astronomers
Created by: jeffsingleton