Comets

Essay specific features

 

Issue:

Science

 

Written by:

Charles R

 

Date added:

May 6, 2015

 

Level:

University

 

Grade:

C

 

No of pages / words:

9 / 2298

 

Was viewed:

8121 times

 

Rating of current essay:

 
Essay content:

They spend most of their time frozen solid in the outer parts of our solar system. Comets are composed of five parts: the nucleus, coma, hydrogen cloud, dust tail, and ion tail. The nucleus is pretty solid and stable, composed mostly of ice and gas with a small amount of dust and other solids. The surface of the nucleus is best described as a black crust...
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The surface of the nucleus is best described as a black crust. Comet nuclei can range from 1 kilometer to about 50 kilometers across. The black crust on the surface of the nuclei helps the comet to absorb heat, which causes some of the ices under the crust to turn to a gas. Pressure builds up underneath the crust and causes the surface to bubble up in some places...
displayed 300 characters

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