Copernicus: (1473 - 1543)
Copernicus is said to be the founder of modern astronomy.
He made his celestial observations from a turret situated on the protective wall around the cathedral, observations were made "bare eyeball," so to speak, as a hundred more years were to pass before the invention of the telescope. In 1530, Copernicus completed and gave to the world his great work De Revolutionibus, which asserted that the earth rotated on its axis once daily and traveled around the sun once yearly: a fantastic concept for the times. Up to the time of Copernicus the thinkers of the western world believed in the Ptolemiac theory that the universe was a closed space bounded by a spherical envelope beyond which there was nothing.
Sources: http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Copernicus.html
http://www.blupete.com/Literature/Biographies/Science/Copernicus.htm
Copernicus is said to be the founder of modern astronomy.
He made his celestial observations from a turret situated on the protective wall around the cathedral, observations were made "bare eyeball," so to speak, as a hundred more years were to pass before the invention of the telescope. In 1530, Copernicus completed and gave to the world his great work De Revolutionibus, which asserted that the earth rotated on its axis once daily and traveled around the sun once yearly: a fantastic concept for the times. Up to the time of Copernicus the thinkers of the western world believed in the Ptolemiac theory that the universe was a closed space bounded by a spherical envelope beyond which there was nothing.
Sources: http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Copernicus.html
http://www.blupete.com/Literature/Biographies/Science/Copernicus.htm
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