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Fate of 'Life on Mars' lander in balance after descent to planet

By Maria Sheahan

DARMSTADT, Germany (Reuters) - A European space lander reached Mars on Wednesday in what scientists hope will mark a major milestone in exploration of the Red Planet, but whether it touched down on the surface in good working condition was far from certain.

Older European and U.S. spacecraft already in orbit relayed data of the lander's six-minute descent. Then the transmission stopped, leaving questions over what state the disc-shaped 577-kg (1,272 lb) Schiaparelli probe was in.

"It is clear that these are not good signs," said Paolo Ferri, the European Space Agency's (ESA) head of mission operations.


However, the primary part of the mission, bringing the lander's mothership into orbit around Mars to search for signs of life, was a success, the agency said.

"To fly to Mars is a very big challenge. To fly and be in safe orbit is a very big challenge," ESA Director General Jan Woerner said at ESA's Space Operations Centre in Darmstadt, Germany.



“The design of the system has changed over the last few years ... We will not reuse all the technology from Schiaparelli, so it will impact, but not dramatically, if there is a failure with Schiaparelli,” Witasse said.


"Cross your fingers, we still have hope," Woerner said.

Landing on Mars, currently some 35 million miles (56 million km) away from its nearest planetary neighbor Earth, is a notoriously difficult task that has thwarted a single previous effort by Europe, most of Russia’s probes and given U.S. space agency NASA trouble as well.

The planet's hostile environment has not detracted from its allure, with U.S. President Barack Obama recently highlighting his pledge to send people to the surface by the 2030s.

"With this mission we're laying the foundation for going there," astronaut Alexander Gerst, who is set to become the first German commander of the International Space Station in 2018, told Reuters TV.

Elon Musk's SpaceX is developing a massive rocket and capsule to transport large numbers of people and cargo to Mars with the ultimate goal of colonizing the planet, and the U.S. entrepreneur has said he would like to launch the first crew as early as 2024.




Scientists believe that methane, a chemical that on Earth is strongly tied to life, could stem from micro-organisms that either became extinct millions of years ago and left gas frozen below the planet's surface, or that some methane-producing organisms still survive.

"If there is life in our solar system beyond Earth, then Mars is the most interesting planet," ESA's Woerner told Reuters TV.

The second part of the ExoMars mission, delayed to 2020 from 2018, will deliver a European rover to Mars. It will be the first with the ability to both move across the planet's surface and drill into the ground to collect and analyze samples.

The ExoMars 2016 mission is led by the European Space Agency (ESA), with Russia's Roscosmos supplying the launcher and two of the four scientific instruments on the trace gas orbiter. The prime contractor is Thales Alenia Space, a joint venture between Thales TCFP.PA and Finmeccanica SIFI.MI.

The cost of the ExoMars mission to ESA, including the second part due in 2020, is expected to be about 1.3 billion euros ($1.4 billion). Russia's contribution comes on top of that.

(Additional reporting by Irene Klotz in Cape Canaveral, Fla; editing by Ralph Boulton)

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