File:PIA18309-SaturnMoonTitan-SenkyoRegion-20150108.jpg
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描述PIA18309-SaturnMoonTitan-SenkyoRegion-20150108.jpg |
English: PIA18309: Frozen Paradise
http://photojournal.jpl.nasa.gov/catalog/PIA18309 Named after a Japanese paradise, the Senkyo region of Titan (the dark area below and to the right of center) is a bit less welcoming than its namesake. With a very inhospitable average temperature of approximately 290 degrees below zero Fahrenheit (-180 degrees Celsius), water on Titan (3,200 miles or 5,150 kilometers across) freezes hard enough to be essentially considered rock. Even if you enjoy cold temperatures, Titan's dense nitrogen-rich atmosphere contains no oxygen. This view looks toward the Saturn-facing side of Titan. North on Titan is up and rotated 33 degrees to the right. The image was taken with the Cassini spacecraft narrow-angle camera on Jan. 8, 2015 using a near-infrared filter which is centered at 938 nanometers. The view was acquired at a distance of approximately 1.2 million miles (1.9 million kilometers) from Titan. Image scale is 7 miles (11 kilometers) per pixel. The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL. The imaging operations center is based at the Space Science Institute in Boulder, Colo. For more information about the Cassini-Huygens mission visit http://saturn.jpl.nasa.gov and http://www.nasa.gov/cassini. The Cassini imaging team homepage is at http://ciclops.org. |
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来源 | http://photojournal.jpl.nasa.gov/jpeg/PIA18309.jpg |
作者 | NASA/JPL-Caltech/Space Science Institute |
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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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