https://motherboard.vice.com/en_us/article/8q8qwk/the-concorde-and-the-longest-solar-eclipse >In the 1970s, a small group of astronomers used the first prototype of the Concorde to pursue a total eclipse across the Sahara at twice the speed of sound. >On Wednesday, a solar eclipse gave people across a swath of Indonesia and the South Pacific the chance to see a generous 4 minutes and 9 seconds of totality: the awe-inspiring sight of the moon completely covering the sun, turning day into night and offering a rare glimpse of the corona, the gas swirling in the Sun's outer atmosphere.