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Faculty of Mathematics and Computer Science

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80. Geburtstag von Prof. Dr. Hans-Joachim Vollrath

11/24/2014

Am 24. November 2014 feiert Prof. Dr. Hans-Joachim Vollrath seinen 80. Geburtstag. Über viele Jahrzehnte hinweg hat er die Mathematikdidaktik in Deutschland mitgeprägt.

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Copyright ESA/Rosetta/Philae/ROLIS/DLR

ROSETTA delivered the PHILAE lander with very high precision at comet 67P Churjumov-Gerassimenko and PHILAE landed well. In deviation from the plan the harpoons did not fire to fix PHILAE on the comet's surface, so he seems to have landed twice. But PHILAE is on the surface, exciting measurement data are acquired and transferred to Earth. Prof. Klaus Schilling, who had responsibilities in the mission feasibility and definition phases followed this mission for 25 years, attended this event live in the European Space Control Center ESOC.

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