Video documents three-year trek on Mars by NASA rover

Oct 11, 2011
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

(PhysOrg.com) -- 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.

The video featuring the end-of-drive images is now available online, at http://www.nasa.gov/multimedia/videogallery/index.html?media_id=114782241 . It shows the rim of 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.

The rover team also produced a sound track for the video, using each drive day's data from Opportunity's accelerometers. The low-frequency data has been sped up 1,000 times to yield audible frequencies.

"The sound represents the vibrations of the rover while moving on the surface of Mars," said Paolo Bellutta, a rover planner at NASA's Jet Propulsion Laboratory, Pasadena, Calif., who has plotted many of Opportunity's drives and coordinated production of the video. "When the sound is louder, the rover was moving on bedrock. When the sound is softer, the rover was moving on sand."

Opportunity and its rover twin, Spirit, completed their three-month prime missions on Mars in April 2004. Both rovers continued for years of bonus, extended missions. Both have made important discoveries about wet environments on ancient Mars that may have been favorable for supporting microbial life. Spirit stopped communicating in 2010. Opportunity continues its work at Endeavour. will launch the next-generation Mars rover, car-size Curiosity, this autumn, for arrival at Mars' Gale crater in August 2012.

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User comments : 3

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Gigel01
not rated yet Oct 11, 2011
Time to go and live there.
hush1
not rated yet Oct 11, 2011
lol
Don't forget your Adaptics Kit.
Adaptic optics, sound, touch, smell, and taste kits.
Makes the transition easier.
Remember all your senses perceive differently under new gravitational and biospheric conditions.
sherriffwoody
not rated yet Oct 12, 2011
I couldn't see the martains?

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