Instruments The 100 kg Rosetta Lander will be the first spacecraft ever to make a soft landing on the surface of a comet nucleus. The Lander is provided by a European consortium under the leadership of the German Aerospace Research Institute (DLR). Other members of the consortium are ESA, CNES and institutes from Austria, Finland, France, Hungary, Ireland, Italy and the UK. with 2ndasteroidsastronomycometsconradearthrosettaspacecraft