Herschel, Planck cosmic explorers in flight: stunning images from ground and space

(PhysOrg.com) -- 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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