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In its trek on the surface of Mars, the rover Opportunity has recently come across an ancient meteor, made almost entirely out of metal, according to investigators at the Jet Propulsion Laboratory (JPL), in Pasadena, California. The peculiar formation is currently helping planetary scientists gain a deeper insight into the ancient environmental history of the planet, and Opportunity has taken a break from its long journey so that it can analyze it further. Opportunity's new object of interest, called Block Island, is among the largest meteorites thus far discovered on the Red Planet. Analyzing it poses some questions about the atmosphere, researchers say. They argue that a meteorite this size couldn't have entered it intact, and that it most likely broke off in several pieces. Unless, of course, the atmosphere was a lot thicker when it landed than it is estimated to be today. Additionally, experts hope to probe the rock for more details on how the climate has affected the r!
ock over the years. By the time pictures of the rock reached the Earth, some two weeks ago, the rover had already driven more than 600 feet passed it. Mission controllers were so puzzled by the appearance that they had the robot backtrack, and commanded it to start investigations. The probe even touched the meteorite with its robot...
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http://news.softpedia.com/news/039-Block-Island-039-Reveals-Clues-of-Mars-039-Past-118924.shtml
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