File:Ganymede Surface Roughness - Voyager 2 (26647118054).png
Original file (2,448 × 1,621 pixels, file size: 4.82 MB, MIME type: image/png)
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Summary
[edit]DescriptionGanymede Surface Roughness - Voyager 2 (26647118054).png |
5 frame mosaic of Ganymede taken during Voyager 2's flyby of the moon on July 9, 1979. This image is captures the southern two-thirds of Gilgamesh Crater. This image has been processed by creating a duplicate layer, setting the blending mode to 'difference', and offsetting it by a pixel. This method creates a crude surface roughness map, highlighting features that might not be visible otherwise. Here, we see a large arc of flat material ringing Gilgamesh Crater, suggesting that this crater system is much larger than it appears under normal lighting conditions. During the flyby, Voyager 2 was not able to capture the moon in a single mosaic due to the angular size of Ganymede and the spacecraft's motion. Instead, it took multiple mosaics, each covering a different part of the surface, with a bit of overlap between each. Image Credit: NASA / JPL / Voyager-ISS / Justin Cowart |
Date | |
Source | Ganymede Surface Roughness - Voyager 2 |
Author | Justin Cowart |
Licensing
[edit]Public domainPublic domainfalsefalse |
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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This image was originally posted to Flickr by jccwrt at https://flickr.com/photos/132160802@N06/26647118054. It was reviewed on 20 August 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
20 August 2018
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current | 06:24, 20 August 2018 | 2,448 × 1,621 (4.82 MB) | PlanetUser (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Horizontal resolution | 28.35 dpc |
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Vertical resolution | 28.35 dpc |