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Space and Stars
 Asteroids and Comets

Asteroids and Comets
Reading Level
     edHelper's suggested reading level:   high interest, readability grades 5 to 8
     Flesch-Kincaid grade level:   5.4

Vocabulary
     challenging words:    circumference, collision, elliptical, nucleus, orbit, extinction, formation, gravity, crater, totally, drawing, core, meteor, comet, impossible, difference
     content words:    Oort Cloud, When Earth

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Asteroids and Comets
By Patti Hutchison 		  
1     Caption: drawing of a comet
 
2     Rocks fly through space all the time. Some of these rocks are asteroids; some are comets. What's the difference?
 
3     Asteroids are made up of rock and iron. They are similar to the rocky planets closest to the sun. Some asteroids are so large that scientists call them minor planets or planetoids. Like planets, some asteroids have moons.
 
4     There is an area in space called the asteroid belt. This belt exists between Mars and Jupiter. Here is where millions of asteroids are found. The asteroid belt has an elliptical path, moving in the same direction as the planets.

Paragraphs 5 to 13:
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