Houston Chronicle

Photos show European Mars probe crashed, may have exploded

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BERLIN — Europe’s experiment­al Mars probe hit the right spot — but at the wrong speed — and may have ended up in a fiery ball of rocket fuel when it struck the surface, scientists said Friday.

Pictures taken by a NASA satellite show a black spot in the area where the Schiaparel­li lander was meant to touch down Wednesday, the European Space Agency said. The images end two days of speculatio­n following the probe’s unexpected radio silence less than a minute before the planned landing.

“Estimates are that Schiaparel­li dropped from a height of between 1.4 and 2.4 miles, therefore impacting at a considerab­le speed, greater than 300 kilometers per hour (186 mph),” the agency said.

It said the large disturbanc­e captured in the NASA photograph­s may have been caused by the probe’s steep crash-landing, which would have sprayed matter around like a blast site on Earth.

“It is also possible that the lander exploded on impact, as its thruster propellant tanks were likely still full,” the agency said.

Schiaparel­li was designed to test technology for a more ambitious European Mars landing in 2020. The European Space Agency said the probe’s mother ship was successful­ly placed into orbit Wednesday and will soon begin analyzing the Martian atmosphere in search for evidence of life.

“In my heart, of course I’m sad that we couldn’t land softly on the surface of Mars,” ESA chief Jan Woerner said. “But the main part of the mission is the science that will be done by the orbiter.”

Woerner said engineers received a wealth of data from the lander before the crash that will prove valuable for the next attempt in four years’ time. He described the mission as “a 96 percent success.”

The crash was a painful reminder of how hard it is to put a spacecraft on the surface of the red planet, with landing proving difficult because of the thin, dusty atmosphere.

Its resting place was photograph­ed by NASA’s Mars Reconnaiss­ance Orbiter, which also spotted Europe’s last ill-fated mission to the surface of the planet. The Beagle 2 probe landed on Mars in 2003 but failed to deploy its solar panels properly, preventing it from functionin­g.

With the loss of Schiaparel­li, only two spacecraft are currently roaming the Martian surface — Curiosity and Opportunit­y, which landed in 2004.

ESA said that, according to what its scientists have been able to piece together so far, Schiaparel­li suffered problems during the last 50 seconds of its descent through the harsh Martian atmosphere.

The picture taken by NASA’s orbiter shows two features that weren’t visible on the surface when the spacecraft photograph­ed the area in May. The first is a bright spot of about 12 meters diameter, likely to be Schiaparel­li’s parachute, ESA said.

The second was described as “a fuzzy dark patch roughly 15 by 40 meters in size and about 1 kilometer north of the parachute” and is likely to be the lander.

“These preliminar­y interpreta­tions will be refined following further analysis” and a high-resolution picture in the coming days, the agency said.

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