Europe’s ExoMars spacecraft begins lowering its orbit

20 March 2017 Stephen Clark

The ExoMars Trace Gas Orbiter, a Russian-launched, European-built spacecraft that arrived at Mars in October, is starting to dip into the upper reaches of the red planet’s atmosphere in a year-long “aerobraking” campaign place the observatory in the right position to hunt for methane, an indicator of potential biological activity.


ExoMars orbiter fine-tunes path toward red planet

29 July 2016 Stephen Clark

A European spacecraft cruising toward Mars fired its main engine, tweaking its trajectory and helping set up for carefully-choreographed simultaneous maneuvers to place part of the tandem mission into orbit around the red planet and deposit a stationary battery-powered lander on the Martian surface.