土星壁纸
by NASA/JPL-Caltech/University of Arizona/LPG/CNRS/University of Nantes/Space Science Institute
NASA Image Library · 公有领域（Public Domain）
关于这张图
New composite images made from NASA's Cassini spacecraft data are the most detailed global infrared views ever produced of Saturn's moon Enceladus. And data used to build those images provides strong evidence that the northern hemisphere of the moon has been resurfaced with ice from its interior. During Cassini's 13-year exploration of the Saturn system, the spacecraft's Visible and Infrared Mapping Spectrometer (VIMS) collected light — both visible to the human eye and infrared light — reflected off the planet, its rings, and its 10 major icy moons. VIMS then separated light into its various…
