The Folger is open this weekend (August 22-23). The roads directly around our building are not impacted by the Grand Prix race. For a list of road closures that may affect your travel route, visit the city government website.
In 1543, this book presented a new approach to knowledge—and nothing was the same after it appeared. Copernicus was the first to propose a heliocentric theory of the cosmos, which describes the sun standing still and the earth revolving around it. In doing so, he set in motion one of the greatest ever shifts in the history of human thought.
