onsdag 30 november 2011

Orbit-raising commands fail to budge Phobos-Grunt probe



Orbit-raising commands fail to budge Phobos-Grunt probe
Plagued by an undiagnosed problem that stranded it in Earth orbit, Russia's Phobos-Grunt Mars mission remained quiet Tuesday after renewed attempts to coax the craft back into contact with ground controllers.
European Space Agency officials transmitted signals to raise Phobos-Grunt's orbit Tuesday in hopes it would allow greater communications opportunities at a higher altitude, according to the agency's Twitter page.
The ploy didn't work, and the probe remains in a low-altitude orbit less than 200 miles above Earth.


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