Curiosity Rover snaps selfies on Mars trek

Aug 20, 2015 2:18 PM by NBC News, Photo: NASA/JPL-Caltech/MSSS

NASA's Curiosity rover captured a glorious selfie on Mars this month, shortly before resuming its trek up a huge mountain.

The vehicle snapped several low-angle shots with the camera at the end of its robotic arm on August 5 at a site called Marias Pass in the foothills of the 3.4-mile-high Mount Sharp. Mission team members then stitched those photos together into the amazing selfie, which NASA released on Tuesday.

Curiosity stayed at Marias Pass for several weeks, studying a "geological contact zone" where two different rock types come together. Curiosity's Dynamic Albedo of Neutrons (DAN) instrument measured high levels of hydrogen beneath the rover's wheels in the area, suggesting that lots of water molecules are bound to minerals in the rocks there.

"The ground about one meter beneath the rover in this area holds three or four times as much water as the ground anywhere else Curiosity has driven during its three years on Mars," DAN principal investigator Igor Mitrofanov, of the Space Research Institute in Moscow, said in a statement.

The rover drilled into a Marias Pass rock dubbed "Buckskin," collecting powdered samples for future analysis by its onboard instruments. The mission team hopes those analyses help them understand why the Marias Pass region is so "wet," NASA officials said.

The Buckskin operations marked Curiosity's first full-on drilling work since a brief short circuit was observed in the drill's hammering percussive mechanism in February.

"We were pleased to see no repeat of the short circuit during the Buckskin drilling and sample transfer," Steven Lee, deputy project manager for Curiosity at NASA's Jet Propulsion Laboratory in Pasadena, California, said in the same statement.

The six-wheeled robot has covered 433 feet over the past week, bringing its total distance traveled since touching down on the Red Planet in August 2012 to 6.9 miles.


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