Wednesday 1 October 2014
Photo, above: Rosetta is a robotic space probe built and launched by the European Space Agency to perform a detailed study of comet 67P/Churyumov–Gerasimenko. On 6 August 2014 it approached the comet to a distance of about 100 km (62 mi) and reduced its relative velocity to 1 m/s (3.3 ft/s), thus...