File:PIA10447 Janus.jpg
原始文件 (877 × 469像素,文件大小:26 KB,MIME类型:image/jpeg)
说明
摘要[编辑]
Cassini spacecraft image of Janus, one of Saturn's inner moonlets, acquired on 2008-06-30.
描述PIA10447 Janus.jpg |
This shadowy scene is one of Cassini's closest views of Saturn's moon Janus. The slopes of some craters here display hints of the darker material better seen on Epimetheus in PIA09813. A bright linear feature runs up the wall of the large crater at bottom center. The view looks toward southern latitudes on Janus (179 kilometers, 111 miles across). North is up and rotated 58 degrees to the right. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on June 30, 2008. The view was obtained at a distance of approximately 33,000 kilometers (21,000 miles) from Janus and at a Sun-Janus-spacecraft, or phase, angle of 120 degrees. Image scale is 200 meters (656 feet) per pixel. The Cassini Equinox Mission is a joint United States and European endeavor. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. The imaging team consists of scientists from the US, England, France, and Germany. The imaging operations center and team lead (Dr. C. Porco) are based at the Space Science Institute in Boulder, Colo. For more information about the Cassini Equinox Mission visit http://ciclops.org, http://www.nasa.gov/cassini and http://saturn.jpl.nasa.gov. |
日期 | |
来源 | http://www.ciclops.org/view.php?id=5117 |
作者 | NASA / Jet Propulsion Laboratory / Space Science Institute |
许可协议[编辑]
Public domainPublic domainfalsefalse |
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/zh、NASA版权方针页面或JPL图片使用方针。) | ||
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当前 | 2010年9月8日 (三) 02:22 | 877 × 469(26 KB) | WolfmanSF(留言 | 贡献) | {{Information |Description=This shadowy scene is one of Cassini's closest views of Saturn's moon Janus. The slopes of some craters here display hints of the darker material better seen on Epimetheus in PIA09813. A bright linear feature runs up the wall o |
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