File:LRO Tycho Central Peak 0.25.jpg
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[edit]DescriptionLRO Tycho Central Peak 0.25.jpg |
English: On 10 June 2011 the LRO spacecraft slewed 65° to the west, allowing the LROC NACs to capture this dramatic sunrise view of Tycho crater. A very popular target with amateur astronomers, Tycho is located at 43.37°S, 348.68°E, and is ~82 km (51 miles) in diameter. The summit of the central peak is 2 km (6562 ft) above the crater floor, and the crater floor is about 4700 m (15,420 ft) below the rim. Many "clasts" ranging in size from 10 meters to 100s of meters are exposed in the central peak slopes. Were these distinctive outcrops formed as a result of crushing and deformation of the target rock as the peak grew? Or do they represent preexisting rock layers that were brought intact to the surface? Imagine future geologists carefully making their way across these steep slopes, sampling a diversity of rocks brought up from depth. Tycho's features are so steep and sharp because the crater is young by lunar standards, only about 110 million years old. Over time, micrometeorites, and not so micro meteorites, will grind and erode these steep slopes into smooth mountains. For a preview of what Tycho's central peak may look like in a few billion years, visit Bhabha crater. This is a version with about one fourth the linear pixel density of the original NASA full size image. |
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Source | http://lroc.sese.asu.edu/news/?archives/411-Tycho-Central-Peak-Spectacular!.html (downloaded TIFF file from http://wms.lroc.asu.edu/lroc_browse/view/M162350671) |
Author | NASA / GSFC / Arizona State University |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 10:55, 6 January 2013 | 5,400 × 2,480 (4.52 MB) | WolfmanSF (talk | contribs) | User created page with UploadWizard |
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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Width | 21,467 px |
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Height | 9,860 px |
Compression scheme | Uncompressed |
Pixel composition | Black and white (Black is 0) |
Orientation | Normal |
Number of components | 1 |
Horizontal resolution | 72.009 dpi |
Vertical resolution | 72.009 dpi |
Software used | Adobe Photoshop Elements 9.0 Windows |
File change date and time | 02:45, 6 January 2013 |
Color space | Uncalibrated |
Image width | 5,400 px |
Image height | 2,480 px |
Bits per component | 8 |
Date and time of digitizing | 07:03, 21 June 2011 |
Date metadata was last modified | 18:45, 5 January 2013 |
Unique ID of original document | xmp.did:098011740720681188CFBEE5F5082684 |