skyandtelescope.com
Using information gained from observing the two Mars Exploration Rover landers last year, Malin reexamined the 1999 and 2000 images looking for similar features. This time he identified what looks to be a parachute located several hundred meters away from a disturbed bit of ground with a large mark in its center. The parachute-like feature closely matches the Mars Exploration Rover parachutes (which were made of the same materials), and Malin believes the disturbed ground matches what one would see if a rocket had blasted the surface from a height of tens of meters.

"It seems that the MPL investigation board may have been correct," writes Malin in Sky & Telescope. "MPL’s descent proceeded more or less successfully through atmospheric entry and parachute jettison. It was only a few short moments before touchdown that disaster struck."

Later this year NASA will direct Mars Global Surveyor to reexamine the MPL crash site using a special technique to improve the camera's resolution to 0.5 meter per pixel. Malin hopes the new observations will provide the conclusive evidence needed to officially close the case of the missing Mars Polar Lander.

The search for Mars Polar Lander was hampered by inexperience: the team didn’t know what a parachute should look like or how the ground would be disturbed by the landing rockets. Lessons learned from observations of the Mars Exploration Rover landing sites helped team members identify what they think are the parachute (2), the rocket-blast zone, and ultimately the lander itself (3). Courtesy NASA/JPL/MSSS.


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