NPR News: NASA Jets Will Extend Eclipse By Chasing Moon's Shadow

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.

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Làm đẹp Blog 247 August 3, 2017 at 12:25AM
Category Health & Science