File:Punga Mare crop.jpg
原始文件 (1,100 × 1,000像素,文件大小:1.32 MB,MIME类型:image/jpeg)
说明
摘要
[编辑]描述Punga Mare crop.jpg |
English: This is a segment of a colorized mosaic from NASA's Cassini mission that shows the most complete view yet of Titan's northern land of lakes and seas. Saturn's moon Titan is the only world in our solar system other than Earth that has stable liquid on its surface. The liquid in Titan's lakes and seas is mostly methane and ethane.
Seas and major lakes are labeled in the annotated version. The data were obtained by Cassini's radar instrument from 2004 to 2013. In this color scheme, liquids appear blue and black depending on the way the radar bounced off the surface. Land areas appear yellow to white. Punga Mare is just below the north pole. Most of the bodies of liquid on Titan occur in the northern hemisphere. In fact nearly all the lakes and seas on Titan fall into a box covering about 600 by 1,100 miles (900 by 1,800 kilometers). Only 3 percent of the liquid at Titan falls outside of this area. Scientists are trying to identify the geologic processes that are creating large depressions capable of holding major seas in this limited area. A prime suspect is regional extension of the crust, which on Earth leads to the formation of faults creating alternating basins and roughly parallel mountain ranges. This process has shaped the Basin and Range province of the western United States, and during the period of cooler climate 13,000 years ago much of the present state of Nevada was flooded with Lake Lahontan, which (though smaller) bears a strong resemblance to the region of closely packed seas on Titan. An unannotated version and a version with explanatory text are also available in Figures 1 and 2. A related flyover can be seen at PIA17656. 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, DC. The Cassini orbiter was designed, developed and assembled at JPL. The radar instrument was built by JPL and the Italian Space Agency, working with team members from the United States and several European countries. For more information about the Cassini-Huygens mission visit http://saturn.jpl.nasa.gov and http://www.nasa.gov/cassini. The original NASA image has been modified by cropping and removing the labels. |
日期 | |
来源 | http://photojournal.jpl.nasa.gov/catalog/PIA17655 |
作者 | NASA / JPL-Caltech / Agenzia Spaziale Italiana / USGS |
其他版本 | Image:PIA17655 Punga Mare crop.jpg - Larger version (2,300 × 2,000 pixels, 891 KB) with label |
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。) | ||
警告:
|
文件历史
点击某个日期/时间查看对应时刻的文件。
日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
---|---|---|---|---|---|
当前 | 2014年2月10日 (一) 01:17 | 1,100 × 1,000(1.32 MB) | WolfmanSF(留言 | 贡献) | tweak image | |
2014年2月10日 (一) 01:03 | 1,100 × 1,000(1.31 MB) | WolfmanSF(留言 | 贡献) | remove labels | ||
2014年2月8日 (六) 10:14 | 1,100 × 1,000(1.32 MB) | WolfmanSF(留言 | 贡献) | User created page with UploadWizard |
您不可以覆盖此文件。
文件用途
全域文件用途
以下其他wiki使用此文件:
- ar.wikipedia.org上的用途
- en.wikipedia.org上的用途
- fr.wikipedia.org上的用途
- gl.wikipedia.org上的用途
- hi.wikipedia.org上的用途
- hr.wikipedia.org上的用途
- it.wikipedia.org上的用途
- ja.wikipedia.org上的用途
- ko.wikipedia.org上的用途
- no.wikipedia.org上的用途
- pt.wikipedia.org上的用途
- ro.wikipedia.org上的用途
- ru.wikipedia.org上的用途
- zh.wikipedia.org上的用途
元数据
此文件含有额外信息,这些信息可能是创建或数字化该文件时使用的数码相机或扫描仪所添加的。如果文件已从其原始状态修改,某些详细信息可能无法完全反映修改后的文件。
简短标题 |
|
---|---|
方向 | 正常 |
水平分辨率 | 300 dpi |
垂直分辨率 | 300 dpi |
使用软件 | Adobe Photoshop Elements 9.0 Windows |
文件修改日期时间 | 2014年2月9日 (日) 17:17 |
色彩空间 | sRGB |
图像宽度 | 1,100 px |
图像高度 | 1,000 px |
数字化日期时间 | 2014年2月7日 (五) 21:46 |
元数据最后修改日期 | 2014年2月9日 (日) 09:17 |
著作权状况 | 著作权状况未设置 |
原始文件唯一ID | xmp.did:347C442EA890E311BA40C060E31765E8 |
IIM版本 | 2 |