Tyler Hanson, of Fort Rucker, Ala., watches the sun moments before the total eclipse, Monday, August 21, 2017, in Nashville, Tenn. Millions of Americans gazed in wonder through telescopes, cameras and disposable protective glasses Monday as the moon blotted out the sun in the first full-blown solar eclipse to sweep the U.S. from coast to coast in nearly a century. (Photo by John Minchillo/AP Photo)
