found on Mars, given the name "Block Island." The news release states:"Analysis of Block Island's composition using the rover's alpha particle X-ray spectrometer confirmed that it is rich in iron and nickel. The rock is about 60 centimeters (2 feet) across. This is a false-color, red-green-blue composite view generated from images taken through the Pancam's 750-nanometer, 530-nanometer and 430-nanometer filters."In addition, here's a short article that discusses what this metallic meteorite can tell us about the Martian atmosphere.
Image credit: NASA/JPL-Caltech/Cornell University
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