The Stars and Galaxies MEGAN JACKSON MS. KEYS SCIENCE DECEMBER 5,2000 THE STARS AND GALAXIES Have you ever looked up at the pitch and wondered what argon those bright and shiny things up there. Stars: a inborn luminious remains visible in the sky especially at night. A self-luminious gaseous celestial body ofgreat mass which produces energy by means of nuclear nuclear fusion reactions, whose shape is usually spheroidal, and whose size may be as small as the orb or larger than the earth?s orbit. Galaxies: Any of the very large groups of stars and associated matter that are found throughout the universe.
In 1802, William Wollaston noned that the spectrum of sunlight did not appear to be a continious band of colors, but rather had a series of dark lines superimposed on it. Wollaston attributed the lines to natural boundaries between colors. Joseph Fraunhofer made a more careful vex of observations of the solar spectrum in 1814 and found some 600 dark...If you want to do a full essay, order it on our website:
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