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The Mars Pathfinder was launched on December 4, 1996. It was launched by NASA, aboard a Delta 2 booster. It consisted of a lander renamed, Sojourner http://en.wikipedia.org/wiki/Mars_Pathfinder
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It landed in Mars's northern hemisphere. The landing site was an ancient flood plain called "Ares Vallis". It landed at 2:56:59 am on July 4,1997. http://en.wikipedia.org/wiki/Mars_Pathfinder
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The pathfinder took more than 16,500 pictures. The pathfinder took measurements of wind speed, atmospheric pressure and temperature. http://en.wikipedia.org/wiki/Mars_Pathfinder
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The Mars Pathfinder mission was supposed to last up to a month but was extended to three. September 27, 1997 at 10:23 UTC, the cotact with the rover ended. The mission ended on March 10, 1998. http://en.wikipedia.org/wiki/Mars_Pathfinder http://en.wikipedia.org/wiki/Mars_Pathfinder
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The pathfinder took multiple photos of the sky at different distances from the sun. It collected some of the first images from one of Mars's moons, Demos. It shows that Demos might be slightly reddish in color. http://en.wikipedia.org/wiki/Moons_of_Mars http://en.wikipedia.org/wiki/Mars_Pathfinder
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Tony Spear was the leader of the mission. In 1998, Tony retired from JPL. He received his B.S degree in electrical engineering in 1962 at Carnegie Mellon University. http://en.wikipedia.org/wiki/Tony_Spear
