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20-5

Bonnie Branch 6th Grade - 20-5 / Comets, Asteroids, Meteors

TermDefinition
comet A ball of ice and dust whose orbit is a long, narrow ellipse.
asteroid Objects revolving around the sun that are too small and too numerous to be considered planets.
asteroid belt The region of the solar system between the orbits of Mars and Jupiter, where many asteroids are found.
meteor A streak of light in the sky produced by the burning of a meteoroid in Earth’s atmosphere.
meteoroid A chunk of rock or dust in space.
meteorite A meteoroid that has hit Earth’s surface.
nucleus The head or solid part of a comet.
coma Gas cloud that surrounds the nucleus of a comet.
tail Long, ribbon-like trail of comet’s dust and gas.
Created by: kjanelli
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