NPR

NASA Jets Will Extend Eclipse By Chasing Moon's Shadow

Cold War-era tactical bombers specially equipped with stabilized telescopes will fly over the central United States on Aug. 21, taking detailed observations of the Sun's atmosphere.
A NASA illustration showing twin WB-57F research planes tracking the eclipse over North America.

If you're lucky enough to be in the path of totality for the Aug. 21 solar eclipse over North America, you will get at best about 2 ½ minutes to view "totality" – when the moon almost completely covers the disc of the Sun.

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