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[[Image:Nicholas_copernicus.gif|thumb|right|150px|Nicholas Copernicus]]A remarkable Polish scientist named Nicolaus Copernicus (1473-1543) made a stunning claim that rocked the religious and scientific world:  he asserted that the earth revolved around the sun, not the sun around the earth.  "Finally we shall place the Sun himself at the center of the Universe.  All this is suggested by the systematic procession of events and the harmony of the whole Universe, if only we face the facts, as they say, 'with both eyes open.'"   

[[Image:Nicholas_copernicus.gif|thumb|right|150px|Nicholas Copernicus]]

 

A remarkable Polish scientist named '''Nicolaus Copernicus''' (1473-1543) made a stunning claim that rocked the religious and scientific world:  he asserted that the earth revolved around the sun, not the sun around the earth.  "Finally we shall place the Sun himself at the center of the Universe.  All this is suggested by the systematic procession of events and the harmony of the whole Universe, if only we face the facts, as they say, 'with both eyes open.'"   

Copernicus worked for years on his book describing his theory, and published it near the very end of his life.  He entitled it, "De revolutionibus orbium coelestium" ("On the Revolutions of the Heavenly Spheres"), and published it in 1543.  The major parts of Copernican theory are:

Copernicus worked for years on his book describing his theory, and published it near the very end of his life.  He entitled it, "De revolutionibus orbium coelestium" ("On the Revolutions of the Heavenly Spheres"), and published it in 1543.  The major parts of Copernican theory are:

== Notes ==

== Notes ==

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