Space.com #Europe’s Rosetta Spacecraft Marks 2 Years Orbiting Comet (Video) 8 August 2016 fborgosano Leave a comment Share: On Aug. 5, 2014, Europe’s Rosetta probe became the first spacecraft ever to orbit a comet when it arrived at an icy wanderer known as 67P/Churyumov-Gerasimenko. You can see the paths Rosetta has taken around the comet in a new video animation. from Space.com ift.tt/2b9a6Oh Share: