ESA's cosmic explorers in flight: stunning images from ground and space

Stunning images taken from Earth and space show Herschel and Planck in flight on 14 May 2009. The first, taken from Herschel, show the Planck-Sylda composite just after Herschel's separation, about 1150 km above Africa. A second set taken from ESA's Optical Ground Station, shows Herschel, Planck, Sylda and the launcher’s upper stage long after separation, travelling together at an altitude of about 100 000 km.

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