Beginning of Essay
Of all the stars in our galaxy we find our Sun the most important. For supports life on earth and keeps the planets in a certain "line".Without the sun we could not survive. History of the Sun People have studied the stars since day one. Many cultures have st ....

Middle of Essay
.... been invented to help study the sun are the coronagraph, the spectroheliograph, the magnetograph, and the spectrograph. These tools have enabled us to better understand the magnetic field of the sun and individual characteristics of the sun. Pictured above is Galileo Composition of the Sun The radiation that Earth receives from the sun is quite remarkable. The radiation that we receive varies less than 1% over a period of twenty four hours. However this less than one billionth of the radiation given off by the sun. This energy comes from deep with in the sun. The composition of the sun consists of 71percent hydrogen, 27 percen ....