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vocabchptthree

astronomy vocabulary

QuestionAnswer
The average distance between the Earth and the Sun Astronomical Unit
The small,dense, rocky planets of the inner solar system Terrestrial planets
The counter-clockwise spin of a planet or moon as seen from above the planet's north pole Prograde rotation
the clockwise spin of a planet or moon as seen from above the planet's north pole Retrograde rotation
The large,gaseous planets of the outer solar system Gas giants
A natural or artificial body that rovolves around a planet Satellite
An event in which the shadow of one celestial body falls on another Eclipse
A small body of ice, rock, and cosmic dust loosely packed together that gives off gas and dust in the form of a tail as it passes close to the sun Comet
A small, rocky body that revolves around the sun Asteroid
The region of the solar system most asteroids occupy; roughly between the orbits of Mars and Jupiter Asteroid Belt
A very small, rocky body that revolves around the sun Meteoroid
A meteoroid that reaches the Earth's surface without burning up completely Meteorite
A streak of light caused when a meteoroid or comet dust burns up in the Earth's atmosphere Meteor
Created by: mrskeane on 2009-10-20



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