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Visit
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Picture Credit: NASA/JPL |
Visit
these amazing |
Printable Page
Only on KBears.com, by the Knowledge Bears
|
Visit
these amazing |
|
Picture Credit: NASA/JPL |
Visit
these amazing |
 |
Comets |
| A comet is
like a giant snowball made of dust, dirty ice, and gas. It also has
a tail. Scientists believe comets formed from the debris of the solar nebula that formed our solar system. Every comet consists of a nucleus made of frozen water and gases, a coma surrounding the nucleus with a glowing haze, and a tail following behind it. The tail of a comet always points away from the sun because of the force of solar flares, and the it gets longer the closer the comet gets to the sun. Most comets are believed to come from the Oort Comet Cloud located 1,000 times farther away than Pluto is from our sun. Comets tend to follow a regular orbit around the sun, and some of the comet melts away every time its orbit brings its close to the sun. Comets emit no light, but like the moon they reflect light from the sun. |
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