Millions of Americans witnessed the first total solar eclipse to cross the continental United States in 99 years on August 21, 2017. Scientists gathered to investigate the secrets of the sun's atmosphere, gathering clues on how the sun works, produces solar storms, and has a hot atmosphere.
Nova
A nationwide phenomenon unfolds as the first total solar eclipse to cross the U.S. mainland in decades mesmerizes scientists and citizens alike with its celestial display.
