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File:Vesta-HST-Color.jpg

Vesta-HST-Color.jpg （300 × 300像素，文件大小：50 KB，MIME类型：image/jpeg）

描述 To prepare for the Dawn spacecraft's visit to Vesta, astronomers used Hubble's Wide Field Planetary Camera 2 to snap new images of the asteroid. The image was taken on May 14 and 16, 2007. Using Hubble, astronomers mapped Vesta's southern hemisphere, a region dominated by a giant impact crater formed by a collision about a billion years ago. The crater is 285 miles (456 kilometers) across, which is nearly equal to Vesta's 330-mile (530-kilometer) diameter. If Earth had a crater of proportional size, it would fill the Pacific Ocean basin. The impact broke off chunks of rock, producing more than 50 smaller asteroids that astronomers have nicknamed "vestoids." The collision also may have blasted through Vesta's crust. Vesta is about the size of Arizona.
日期 Images taken 2007 May 14 and 16
来源 http://hubblesite.org/newscenter/archive/releases/2007/27/image/a/, http://hubblesite.org/newscenter/archive/releases/2007/27/image/c/
作者 NASA; ESA; L. McFadden and J.Y. Li (University of Maryland, College Park); M. Mutchler and Z. Levay (Space Telescope Science Institute, Baltimore); P. Thomas (Cornell University); J. Parker and E.F. Young (Southwest Research Institute); and C.T. Russell and B. Schmidt (University of California, Los Angeles)
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(二次使用本文件)		 Unless otherwise specifically stated, no claim to copyright is being asserted by STScI and it may be freely used as in the public domain in accordance with NASA's contract. [...] [1]


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当前2007年6月21日 (四) 15:332007年6月21日 (四) 15:33版本的缩略图300 × 300（50 KB）Vesta~commonswiki{{Information| |Description = To prepare for the Dawn spacecraft's visit to Vesta, astronomers used Hubble's Wide Field Planetary Camera 2 to snap new images of the asteroid. The image at right was taken on May 14 and 16, 2007. Using Hubble, astronomers m

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