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Eclipse Over America Preview

Preview: Season 44 Episode 11 | 30s

On August 21, 2017, millions of Americans will witness the first total solar eclipse to cross the continental United States in 99 years. While hordes of citizens prepare to flock to the eclipse’s path of totality, scientists, too, are staking out spots for a very different reason: to investigate the secrets of the sun’s elusive atmosphere.

Aired: 08/02/17

Rating: NR

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