Explainer: What happens during a solar eclipse?

Ahead of the Great American Eclipse, NBC News’ Angie Lassman uses augmented reality technology to give a visual example of what happens during a solar eclipse. » Subscribe to NBC News: NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features , , , Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! Breaking News Alerts: Visit : Find NBC News on Facebook: Follow NBC News on Twitter: Get more of NBC News