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Comets
Part 1 of Paper
....ts of these were believed to be the causes of terrible events that occurred afterwards. In more recent times, however, astronomers have found out what they really are.
A comet is basically a mixture of ices, from both water and frozen gases, and dust. They have also been given the names “dirty snowballs” or “icy.... Part 2 of Paper
.... been mixed in with the gas is also pushed out, and as more jets appear, a small gas and dust shell forms around the nucleus, and this is called the coma.
The coma, also called the head, is a dense cloud of water, carbon dioxide and other gases and comes off of the nucleus. They can be several thousand kilometers in diameter, depending on the comet’s distance from the sun and the size of the nucleus. The size of the nucleus is important because since large nuclei have a greater surface area fa.... |
| Number of words: 2266 - Approximate pages: 9 |
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