The Planets and the Solar System Planets 2 " A planet is a celestial body that revolves around a central star and does not shine by its own light " (Grolier, 1992). The only planetary system that is known to man is our solar system. It is made up of nine planets which range in size and make-up. The nine major planets in our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. There are …
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…will never fully be understood and will always be a great topic of discussion. Bibliography Planets 9 Works Sited Cattermole, P. (1995). Earth and Other Planets. New York: Oxford University Press. Grolier Electronic Publishing, Inc. (1992). Hunt, G. & Moore, P. (1983). Atlas of the Solar System. Chicago: Rand Mc Nally & Company. Morrison, D. (1993). Exploring Planetary Worlds. New York: Scientific American Library. Thompson, G. & Turk, J. (1993). Earth Science and the Environment. New York: Saunders College Publishing & Harcourt Brace College Publishers.