File:AS08-17-2673 (22144143489).jpg

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Apollo 8 Hasselblad image from film magazine 17/C - Lunar Orbit. This photo was used in Figure 2-21 of the Analysis of Apollo 8 Photography and Visual Observations (SP-201), which has the following caption:

A probable volcanic crater chain (Apollo 8 frame 2673-C).

The text of he Analysis refers to the figure as follows:

Apollo 8 photography includes several examples of crater chains (figs. 2-21 and 2-22). In figure 2-21, a crater chain is made of several round-to-elongated craters alined in one direction. The chain is discontinuous; the crater in the lower right corner of the photograph is separated from the rest of the chain. Between this crater and the next one in the chain is a trough which is probably a graben. The four craters in the middle are of approximately equal size but of varying depth. The largest depression, on the upper left end of the chain, has an elongated form, a raised-but-not-very-sharp rim, and an irregular interior. This interior is suggestive of a crater pair rather than of a single crater. These characteristics suggest that the chain is of internal origin; that is, that it is a volcanic crater chain.
Note that the modern interpretation of this chain is that the depressions are secondary craters, not of volcanic origin.
Date
Source AS08-17-2673
Author Project Apollo Archive
Permission
(Reusing this file)
Public domain 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.)
Warnings:
This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: AS08-17-2673.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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This image, originally posted to Flickr, was reviewed on 6 July 2016 by the administrator or reviewer Taketa, who confirmed that it was available on Flickr under the stated license on that date.

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current04:20, 31 May 2016Thumbnail for version as of 04:20, 31 May 20164,400 × 4,600 (1.55 MB)Tm (talk | contribs)Transferred from Flickr via Flickr2Commons

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