Copernicus gave Astronomy a start-point Defining moment by demonstrating that the motions of celestial objects can be explained without putting the Earth at rest, in the center of the universe...
If it bordered on Psychology, I'd call it tolerance...
The astronomer Copernicus: Conversation with God.
February 19, 1473-1543 | (Wikified)On the Revolutions of the Celestial Spheres, is often regarded as the starting point of modern astronomy and the defining epiphany that began the Scientific Revolution.
And while it is said that Greek, Indian and Muslim savants had published heliocentric hypotheses centuries before Copernicus; his publication of the first modern formulation of a heliocentric (Sun-centered) theory of the solar system; became a landmark in the history of modern science that is known as the Copernican Revolution.
Interesting links for:
Shadow and Substance -- eclipse animations created by graphic artist Larry Koehn
Don't Miss The Last Total Lunar Eclipse For Three Years! -- Jack Horkheimer, Miami Museum of Science and Space Transit Planetarium
Eclipse visibility map -- sky watchers in the Americas, Europe, and parts of western Africa can observe the eclipse.
Total Eclipse of the Moon: Feb. 20, 2008 -- complete details from NASA's eclipse expert Fred Espenak