Description:
This resource covers the general features of comets, such as their orbit, head, coma and tail; the comets Hyakutake and Hale-Bopp; Halley's comet; collisions of comets with other bodies; and the possibility of small water comets bombarding the Earth, with implications for the history of the atmosphere and oceans. There is information on the Tunguska Event, and the comet Shoemaker-Levy 9 and its encounter with Jupiter. A link is provided to a site for plotting your own orbits.
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