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Mercury's Izquierdo: An Impact Basin Newly Named for the Mexican Painter
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Mercury's Izquierdo: An Impact Basin Newly Named for the Mexican Painter
Release Date: September 1, 2009
Topics: Mercury Flyby 1, , , Scarps and Rupes, Volcanism

Date Acquired: January 14, 2008
Image Mission Elapsed Time (MET): 108828411
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Resolution: 500 meters/pixel (0.31 miles/pixel)
Scale: Izquierdo is 170 kilometers (106 miles) in diameter
Spacecraft Altitude: 19,400 kilometers (12,000 miles)

Of Interest: Located to the east of Beagle Rupes and Sveinsdóttir crater, a modest-sized impact basin on Mercury now bears the name of Izquierdo. It was named in July 2009 in honor of the 20th-century Mexican painter Marķa Izquierdo. As seen in this NAC image, the floor of Izquierdo is smooth, the result of having been partially filled with volcanic lava. Circular outlines of the rims of “ghost craters” – smaller, older craters that have been largely buried by the lavas that infilled the basin – are visible in a few places on Izquierdo's floor. The remnants of a buried inner ring are also barely discernable in spots, reminiscent of the image of Munkácsy released last week. There have been more recent impacts into the floor of Izquierdo, resulting in some small, sharply defined craters.

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

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