How Astronomers Used the First Concorde Prototype To Chase a Total Eclipse (vice.com) 30
tedlistens writes: 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. But in 1972, a small group of astronomers from around the globe sought a way for seeing a longer eclipse than ever before: a prototype Concorde, capable of chasing the eclipse for a whopping 74 minutes across the Sahara Desert, at twice the speed of sound.