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Vocabulary

Published on Nov 20, 2015

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PRESENTATION OUTLINE

ASTEROID

DIAMETER THAT REVOLVE ABOUT THE SUN IN ORBITS LYING MOSTLY BETWEEN THOSE OF MARS AND JUPITER.

COMET

A CELESTIAL BODY MOVING ABOUT THE SUN, USUALLY IN A HIGHLY ECCENTRIC ORBIT, CONSISTING OF A CENTRAL MASS

METEOR

a meteoroid that has entered the earth's atmosphere.

METEOR

the sun together with all the planets and other bodies that revolve around it.

KUIPER BELT

a disk-shaped region on the edge of the solar system that contains masses of ice and icy rock, believed to be the source of comets with orbital periods of less than 200 years

ASTRONOMICAL UNIT

a unit of length, equal to the mean distance of the earth from the sun

GALILEAN MOONS

MODEL

an image in clay, wax, or the like, to be reproduced in more durable material