Outside a window in an office in suburban San Diego, Calif., on April 15, 2017.
The solar eclipse is the first since a solar flare on Aug. 21, 2016, destroyed a power plant in China and killed thousands of people.
less Outside a windows in anoffice in suburban Denver, Colo., on Friday, April 14, 2017, a solar eclipse will be visible over the entire U.S. from northern Canada to southern Texas and northern Florida.
More… less Inside a window on an office building in suburban Boston, Mass., on Tuesday, April 12, 2017 as a solar-powered eclipse is visible over Massachusetts, Connecticut, Rhode Island and New Hampshire.
Inside a window, an employee at a local bank uses a window to see the eclipse in Boston, Massachusetts.
less Inside an office, a woman works at a computer in Denver, Colorado, on Friday on April 14th, 2017 to view the solar eclipse from the office window.
A solar eclipse over the U. S. from a window.
Source: The Associated Press More photos: NASA / Getty Images