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File:Rachmaninoff crater (closeup).jpg

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English: This spectacular 290-kilometer-diameter double-ring basin seen in detail for the first time during MESSENGER's third flyby of Mercury bears a striking resemblance to Raditladi basin, observed during the first flyby. This basin, now named Rachmaninoff, is remarkably well preserved and appears to have formed relatively recently, compared with most basins on Mercury. The low numbers of superposed impact craters and marked differences in color across the basin (seen in this enhanced color image released earlier this week) suggest that the smooth area within the innermost ring may be the site of some of the most recent volcanism on Mercury.
Date Acquired: September 29, 2009
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Scale: This double-ring basin is 290 kilometers (180 miles) in diameter
(original caption, edited to include the name)
日期
来源 http://photojournal.jpl.nasa.gov/catalog/PIA12368
作者 NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

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Public domain 本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zhNASA版权方针页面JPL图片使用方针。)
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当前2010年7月17日 (六) 16:582010年7月17日 (六) 16:58版本的缩略图791 × 780(86 KB)Ruslik0{{Information |Description={{en|1=This spectacular 290-kilometer-diameter double-ring basin seen in detail for the first time during MESSENGER's third flyby of Mercury bears a striking resemblance to Raditladi basin, observed during the first flyby. This

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