Nicholas Copernicus(1473-1543) most likely developed his main theory—that the Earth and all of the other planets revolve around the sun some time around 1508.
Johannes Gutenberg is generally credited with the creation of movable type printing -- the process that made it possible to publish many copies of a single work at one time.
The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home. -Carl SaganIf the story of our entire Universe's history, from the last stages of inflation and the Big Bang up to the present day, were to be compressed into one calendar year, what would it look like? As 2011 comes to an end, here's my final present of the year to you.