A total solar eclipse seen from the Lowell Observatory Solar Eclipse Experience on August 21, 2017 in Madras, Oregon. Emotional sky-gazers on the US West Coast cheered and applauded Monday as the Sun briefly vanished behind the Moon -- a rare total solar eclipse that will stretch across North America for the first time in nearly a century. / AFP PHOTO / STAN HONDA (Photo credit should read STAN HONDA/AFP/Getty Images)