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Topic: Mars Rover Spirit
NASA stops trying to communicate with Mars Rover Spirit
November 30, 2015 | 
Written by Guy Webster
NASA’s Jet Propulsion Laboratory
Pasadena, CA – NASA is ending attempts to regain contact with the long-lived Mars Exploration Rover Spirit, which last communicated on March 22nd, 2010.
A transmission that ended Wednesday, May 25th, is the last in a series of attempts. Extensive communications activities during the past 10 months also have explored the possibility that Spirit might reawaken as the solar energy available to it increased after a stressful Martian winter without much sunlight.
Artist concept of Mars Exploration Rover. (NASA/JPL-Caltech)
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NASA’s Mars Exploration Rover Opportunity takes photos of small Spherical Objects on an outcrop along the rim of Endeavour Crater
Written by DC Agle
NASA’s Jet Propulsion Laboratory
Pasadena, CA – NASA’s long-lived rover Opportunity has returned an image of the Martian surface that is puzzling researchers.
Spherical objects concentrated at an outcrop Opportunity reached last week differ in several ways from iron-rich spherules nicknamed “blueberries” the rover found at its landing site in early 2004 and at many other locations to date.
Small spherical objects fill the field in this mosaic combining four images from the Microscopic Imager on NASA’s Mars Exploration Rover Opportunity. (Image credit: NASA/JPL-Caltech/Cornell Univ./ USGS/Modesto Junior College)
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Video Documents Three-Year Trek on Mars by NASA Rover
Written by Guy Webster
Jet Propulsion Laboratory
Pasadena, CA – While NASA’s Mars Exploration Rover Opportunity was traveling from Victoria crater to Endeavour crater, between September 2008 and August 2011, the rover team took an end-of-drive image on each Martian day that included a drive. A new video compiles these 309 images, providing an historic record of the three-year trek that totaled about 13 miles (21 kilometers) across a Martian plain pocked with smaller craters.
It shows the rim of Endeavour becoming visible on the horizon partway through the journey and growing larger as Opportunity neared that goal. The drive included detours, as Opportunity went around large expanses of treacherous terrain along the way.
This image from the navigation camera on NASA's Mars Exploration Rover Opportunity shows the view ahead on the day before the rover reached the rim of Endeavour crater. It was taken during the 2,680th Martian day, or sol, of the rover's work on Mars. (Image Credit: NASA/JPL-Caltech)
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NASA Mars Rovers Win Popular Mechanics ‘Breakthrough’ Award
Written by Guy Webster
Jet Propulsion Laboratory
Pasadena, CA – More than seven years after completing their three-month prime missions on opposite sides of Mars, NASA rovers Spirit and Opportunity have been selected for lifetime achievement award honors as part of the Breakthrough Awards presented by Popular Mechanics magazine.
The magazine today announced recipients of awards to be presented October 10th in New York.
The announcement cites the Mars rovers’ engineers, as well as the robots themselves, “for overcoming great challenges in their dogged pursuit of new discoveries on the Red Planet.”
An artist's concept portrays a NASA Mars Exploration Rover on the surface of Mars. Two rovers have been built for 2003 launches and January 2004 arrival at two sites on Mars. Each rover has the mobility and toolkit to function as a robotic geologist. (Image credit: NASA/JPL-Caltech)
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NASA’s Mars Rover Opportunity Begins Study of Martian Crater
Pasadena, CA – The initial work of NASA’s Mars rover Opportunity at its new location on Mars shows surface compositional differences from anything the robot has studied in its first 7.5 years of exploration.
Opportunity arrived three weeks ago at the rim of a 14-mile-wide (22-kilometer-wide) crater named Endeavour. The first rock it examined is flat-topped and about the size of a footstool. It was apparently excavated by an impact that dug a crater the size of a tennis court into the crater’s rim. The rock was informally named “Tisdale 2.”
NASA's Mars Exploration Rover Opportunity used its front hazard-avoidance camera to take this picture showing the rover's arm extended toward a light-toned rock, "Tisdale 2," during the 2,695th Martian day, or sol, of the rover's work on Mars (August 23rd, 2011). (Photo by NASA/JPL-Caltech)
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