File:PIA17202_-_Approaching_Enceladus.jpg
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本预览的尺寸:600 × 600像素。 其他分辨率:240 × 240像素 | 480 × 480像素 | 1,020 × 1,020像素。
原始文件 (1,020 × 1,020像素,文件大小:1.1 MB,MIME类型:image/jpeg)
摘要
描述PIA17202 - Approaching Enceladus.jpg |
English: Original caption: NASA's Cassini spacecraft captured this view as it neared icy Enceladus for its closest-ever dive past the moon's active south polar region. The view shows heavily cratered northern latitudes at top, transitioning to fractured, wrinkled terrain in the middle and southern latitudes. The wavy boundary of the moon's active south polar region -- Cassini's destination for this flyby -- is visible at bottom, where it disappears into wintry darkness.
This view looks towards the Saturn-facing side of Enceladus. North on Enceladus is up and rotated 23 degrees to the right. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Oct. 28, 2015. The view was acquired at a distance of approximately 60,000 miles (96,000 kilometers) from Enceladus and at a Sun-Enceladus-spacecraft, or phase, angle of 45 degrees. Image scale is 1,896 feet (578 meters) per pixel. |
日期 | |
来源 | PIA17202 from the NASA/JPL Photojournal |
作者 | National Aeronautics and Space Administration (NASA) / Jet Propulsion Laboratory (JPL) |
许可协议
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。) | ||
警告:
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28 10 2015
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