Europeans report contact with Russia's Mars probe

The European Space Agency reported Wednesday that a ground station in Australia has re-established contact with Russia's Phobos-Grunt probe, two weeks after a mysterious post-launch glitch.

The report sparked a glimmer of hope for a mission that Russian officials were close to giving up on.

The $170 million Phobos-Grunt ("Phobos-Soil") mission was designed to land on Phobos, the larger of Mars' two moons, scoop up a soil sample and return it to Earth. The spacecraft is also carrying China's first interplanetary probe, Yinghuo 1, which is supposed to be dropped off in Martian orbit.

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Before its Nov. 9 launch from the Baikonur Cosmodrome in Kazakhstan, the Phobos-Grunt mission was heralded as a sign of Russia's resurgence in interplanetary exploration.

The 13-ton spacecraft reached Earth orbit but did not fire its engines as scheduled to start its months-long cruise toward the Red Planet. Russian controllers have been trying to contact the probe for days, aided by ESA as well as NASA.

On Tuesday, the Interfax news agency quoted Russia's deputy space chief, Vitaly Davydov, as saying that "chances to accomplish the mission are very slim." Then ESA said its tracking station in Perth, Australia, made contact with the probe late Tuesday (20:25 GMT, or 3:25 p.m. ET).

"ESA teams are working closely with engineers in Russia to determine how best to maintain communication with the spacecraft," the agency reported on its website Wednesday.

It's not clear what options are still available for continuing Phobos-Grunt's mission. Some reports from Russia have suggested that the opportunity for a round trip to Phobos and back has been lost. Davydov, however, said Russian engineers had until the end of the month to fix the probe's engines and send it on a path to Phobos.

Russian scientists could fix the problem if the probe failed because of a software flaw, but some experts think that the failure was rooted in hardware that's difficult to fix.

If the mission fails, that could affect Russia's priorities for space research. The Russian space agency would more likely focus on moon research instead of studying Mars, Davydov said.

Davydov said that if engineers can't take control of the spacecraft, it could crash to Earth sometime between late December and late February. The site of the crash cannot be established more than a day in advance, he said.

"If you calculate the probability of it hitting somebody on the head, it is close to zero," he said.

More about Mars:

This report includes information from msnbc.com and The Associated Press.

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Source: http://www.msnbc.msn.com/id/45413483/ns/technology_and_science-space/

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