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Comets
Part 1 of Paper
....t was? That little ball is called a comet.
are small, fragile, and irregularly shaped. Most are composed of frozen gas.
However, some are composed of frozen gas and non-volatile grains. They usually
follow very strict paths around the sun. Comets become most visible when they
cross the sun. This also applies to .... Part 2 of Paper
....ly in the outer part of the solar system, which did not become
incorporated into planets. This material is from when the planets just started
forming. This makes comets an extremely interesting topic to scientists who are
studying the history of the solar system.
In comparison to planets, comets are very small. They can be anywhere
from 750 meters (or less) to 20 kilometers in diameter. However, lately,
scientists have been finding proof that there are comets 300 kilometers in
diameter or g.... |
| Number of words: 1865 - Approximate pages: 7 |
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