Part one of term paper
Ninety three years ago an astrologer noticed slight variations in the orbit of the planet Uranus.Then the search began for a ninth planet.Twenty five years later a startling discovery was made. The year was nineteen thirty when Clyde William Tombaugh had discovered a ninth planet beyond Neptune.The telescopic search initiated twenty five year ...

Part two of term paper
... hundred twenty miles (2284 kilometers) making it the smallest planet, and yet the furthest from the sun.Its mass only point four percent of Earth's, and radius only eighteen percent of Earth's it is quite a small planet.It has a density of one hundred ninety nine percent almost twice water. Plutos environment is one of a cold desolate place.The tempeture ranges from a frigid negative two hundred twenty three to negative two hundred thirty three degrees Celsius which converts to negative ...