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This paper describes the origins of comets, large and small. The author points out the effects of the impact of a large comet with the Earth in Tunguska, Russia in 1908 and its effects on the atmosphere.
From the Paper:"Comets consist of rock ice and organic compounds and they can be several miles in diameter. They are thought to originate from a region which is beyond the orbits of the outermost planets and scientists believe that gravitational perturbations jolt them ..."
Cite this Essay:
Comets (2006, December 01) Retrieved December 11, 2019, from https://www.academon.com/essay/comets-71724/
"Comets" 01 December 2006. Web. 11 December. 2019. <https://www.academon.com/essay/comets-71724/>