Mars Rover Curiosity Takes a Break to Survey Conquered Terrain (Photos, Video)

NASA’s Mars rover Curiosity recently took a quick break from its mountain-climbing work to reflect on its epic Red Planet journey.

About three months ago, the car-size robot captured a series of photos from Vera Rubin Ridge, more than 1,000 feet (300 meters) above the floor of Mars’ 96-mile-wide (154 kilometers) Gale Crater. Mission team members have stitched these images into a panorama that shows some of the key regions Curiosity has explored since touching down on the Red Planet in August 2012. [Photos: Spectacular Mars Vistas by NASA’s Curiosity ]

A view of “Vera Rubin Ridge” provided NASA’s Curiosity Mars rover: This is a detailed look back over the area where the rover began its mission inside Gale Crater, and of more-distant features of the crater. The right-eye, telephoto-lens camera of the rover’s Mastcam took the component images on Oct. 25, 2017.

Credit: NASA/JPL-Caltech/MSSS

“Even though Curiosity has been steadily climbing for five years, this is the first time we could look back and see the whole mission laid out below us,” Curiosity project scientist Ashwin Vasavada, of NASA’s Jet Propulsion Laboratory in Pasadena, California, said in a statement Tuesday (Jan. 30).

“From our perch on Vera Rubin Ridge, the vast plains of the crater floor stretch out to the spectacular mountain range that forms the northern rim of Gale Crater,” Vasavada added .

Climbing “Vera Rubin Ridge,” NASA’s Mars rover Curiosity captured this view of the interior and rim of Gale Crater. The scene includes much of the rover’s route since its 2012 landing as well as features located up to about 50 miles away. The left-eye camera of the rover’s Mastcam took the component images Oct. 25, 2017.

Credit: NASA/JPL-Caltech/MSSS

Curiosity’s landing site is hidden behind a small hill, but “Yellowknife Bay” — the spot where the rover first found evidence that Gale hosted a potentially habitable lake-and-stream system long ago — is visible, mission team members said. So are other important locales, such as “Kimberley” and “Murray Buttes.” 

Much of Curiosity’s work at such sites involved analyzing samples from the interiors of rocks, which the rover snagged using the rock-boring drill at the end of its robotic arm. That drill has been out of commission since December 2016, sidelined by a problem with the motor that pushes the drill bit forward relative to two “stabilizer points” on either side of it. 

This image of the northwestern part of Mars' Gale Crater and terrain north of it, from the European Space Agency's Mars Express orbiter, gives another perspective of some features visible in an October 2017 panorama from NASA's Curiosity Mars rover.

This image of the northwestern part of Mars’ Gale Crater and terrain north of it, from the European Space Agency’s Mars Express orbiter, gives another perspective of some features visible in an October 2017 panorama from NASA’s Curiosity Mars rover.

Credit: ESA/DLR/FU Berlin/NASA/JPL-Caltech

Curiosity team members have been troubleshooting this issue for more than a year now, and they’ve come up with a possible solution: using the robotic arm to push the extended bit against a rock, without the use of the stabilizer points. 

Tests of this new method using a Curiosity twin at JPL have been promising, and the mission team aims to try the technique out for real before the rover leaves Vera Rubin Ridge, NASA officials said.

Follow Mike Wall on Twitter @michaeldwall and Google+ . Follow us @Spacedotcom , Facebook or Google+ . Originally published on Space.com .

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