Total Solar Eclipse 2017

Smithsonian Eclipse appAugust 21, 2017, the Sun and moon will align, giving Americans a front row seat to a rare celestial event—a total solar eclipse. Don't miss a moment with the Smithsonian Solar Eclipse app from the Smithsonian Astrophysical Observatory (SAO). With the app you can watch a live NASA stream of the eclipse as it travels across the continental United States, calculate your view with our interactive eclipse map, and get a virtual view in our eclipse simulator. While you wait, check out some of the Smithsonian Astrophysical Observatory's solar research and get even closer to the sun with near-live views from space.

You can also learn about the 2017 solar eclipse with the Smithsonian's National Air and Space Museum. Join the National Air and Space museum to safely view the eclipse using our solar telescopes and viewers. Enjoy tons of eclipse related events at our museums and online.