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#SpaceNews: Europe’s ExoMars spacecraft begins lowering its orbit

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.
The effort to reshape the craft’s course around Mars uses aerodynamic drag from repeated dips into the upper atmosphere to gradually drag down the high point of the probe’s orbit from its current altitude of 20,500 miles (33,000 kilometers) to a planned perch 250 miles (400 kilometers) above the Martian surface. spaceflightnow.com

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