This Book Contains Biographies of 6 Great Scientists and Astronomers in a very concise manner in about 39000 words approximately.Extraordinary Astronomers Covers in this Book areIsaac NewtonGalileo GalileiNicolaus CopernicusJohannes KeplerEdmond HalleyTycho BraheAbout Newton Conceived in 1643 in Woolsthorpe, England, Sir Isaac Newton started building up his hypotheses on light, math, and heavenly mechanics while on break from Cambridge University. Long periods of exploration finished with the 1687 distribution of "Principia," a milestone work that set up the general laws of movement and gravityAbout GalileoGalileo found four of Jupiter's moons very nearly 400 years prior. Galileo Galilei was an Italian physicist and cosmologist. He was conceived in Pisa on February 15, 1564. ... Later that equivalent year, he turned into the primary individual to take a gander at the Moon through a telescope and make his first stargazing revelation.About Nicolaus CopernicusNicolaus Copernicus was a Polish Renaissance-period mathematician and space expert, who detailed a model of the universe that set the Sun as opposed to Earth at the focal point of the universe, more than likely freely of Aristarchus of Samos, who had planned such a model about eighteen centuries sooner.About Johannes KeplerJohannes Kepler was a German cosmologist, mathematician, and celestial prophet. He is a key figure in the seventeenth-century logical insurgency, most popular for his laws of planetary movement, and his books Astronomia nova, Harmonices Mundi, and Epitome Astronomiae Copernicanae.About Edmond HalleyEdmond Halley, FRS was an English stargazer, geophysicist, mathematician, meteorologist, and physicist. From an observatory he developed on Saint Helena, Halley recorded travel of Mercury over the Sun.About Tycho BraheTycho Brahe was a Danish aristocrat, cosmologist, and author known for his precise and far-reaching galactic perceptions. He was conceived in the then Danish promontory of Scania. Tycho was notable in the course of his life as a space expert, soothsayer, and chemist.Above mentioned 6 Scientists had lots of givings to the whole world.These 6 are great Scientists and Astronomers from all around the World and attain name and fame over the years for their great works. We had individual books too which we had published also. this is the combined version of all the 6 books.