MUNICH, GERMANY - MARCH 20: A school class on Marienplatz uses special glasses to look into the sky at a partial solar eclipse on March 20, 2015 in Munich, Germany. Over Central Europe the moon was scheduled to cover approximately 75% of the sun for a short period starting at approximately 9:30am. The next solar eclipse will not occur until 2021. (Photo by Joerg Koch/Getty Images)
