A NASA satellite in orbit around Mars appears to have spotted the remains of a European probe that crash-landed on the Red Planet.
New pictures taken by the Mars Reconnaissance Orbiter show a large, dark elliptical spot on the Martian surface that was probably made by the European Space Agency's Schiaparelli lander, NASA said on Friday, US time.
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Mars probe destroyed after plunging to surface
The European Space Agency believes its missing space probe was destroyed on impact after plummeting to the surface of Mars on Wednesday.
As Schiaparelli descended toward the surface, its thrusters shut off earlier than planned, the ESA said. That forced the craft to free-fall from a height of 2 to 4 km above ground, at a speed in excess of 300 km per hour.
Since the thruster propellant tanks were probably still full, the lander may have "exploded on impact," ESA said.
The gash imaged by the Mars Reconnaissance Orbiter's Context Camera measures about 40 metres long and 15 metres wide, NASA said.
Nearby is a bright spot that could be Schiaparelli's parachute, NASA said. Its location is 5 km west of where ESA had hoped to land the craft.
Neither of these features appeared on Mars prior to Wednesday.
Now that the space agencies think they have identified the lander, NASA will have its satellite take more detailed pictures with its High Resolution Imaging Science Experiment (HiRISE) camera. That could give engineers more clues about what went wrong on Wednesday.
Schiaparelli sent back limited data during its descent, but many questions remain.
Although the landing didn't go as planned, another part of the ESA's ExoMars 2016 mission was successful. The Trace Gas Orbiter was able to enter Mars' orbit as planned. That brings the total number of spacecraft circling the Red Planet to six.
TGO will search the Martian atmosphere for chemical signatures of biological or geological activity on the planet below. Of particular interest is methane; on Earth, methane is a byproduct of biological activity.
TNS