What you just saw was sunlight glinting off a line of ten geosynchronous satellites stretched over Rigikulm, Switzerland, on March 5th. One by one, the illuminated satellites flare and then subside as they enter the shadow of our planet.
"The 'string of pearls' phenomenon is best seen during early-spring nights when the declination of the sun is equal to that of the geosychronous orbit, e.g. -7o as measured from Switzerland," says photographer Roland Stalder. "This short video sequence (130 images at 25 fps) is part of an all-night timelapse with 1630 images, where over 50 geosynchronous satellite flares can be found. A FullHD BlueRay disk can be ordered though me."
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