On August 12, a total solar eclipse crosses Greenland, Iceland, and Spain. while a portion of the U.S. will see a partial eclipse.

Wednesday’s total solar eclipse will alter weather conditions along its path from the Arctic to western Europe.

He has created eclipse maps for over two decades, visualizing for the public the path of totality so that others get the chance to see and even chase eclipses.

Skywatchers across the U.S. and Canada have two celestial events to catch within 24 hours.