File:AS15-86-11555 (21496953069).jpg

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Apollo 15 Hasselblad image from film magazine 86/NN - EVA-1 & 2
This is figure 3-14 of the Apollo 15 Preliminary Science Report (NASA SP-289, 1972), which has the following caption (slightly edited):

The tongs are used to measure the distance between the camera and the object for these closeup photographs. The depth of field is approximately 4 cm at these camera settings. This boulder, the object of much of the activity of station 2, has a well developed coating of glass that displays a range of vesicle sizes; some vesicles are approximately 2 cm in diameter.
The text of the Report describes the boulder:
The boulder is anomalously large (approximately 1 m) for the area. Coherent fragments on the surface at station 2 are scattered in occurrence and generally do not exceed 10 cm in diameter. Much of the surface of the rock is covered by bubbly glass that has not been significantly abraded. Rock edges and corners, controlled in part by surface-fracture intersections, are sharp. The boulder lies on the south rim of a small, fresh crater that appears to open to the northwest. Apparently, the boulder impacted at a low angle from the north or northwest and rolled uphill onto the rim of its own secondary crater.
(This is the stereo companion to AS15-86-11554.)
Date
Source AS15-86-11555
Author Project Apollo Archive
This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: AS15-86-11555.

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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Licensing[edit]

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.)
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This image was originally posted to Flickr by Apollo Image Gallery at https://flickr.com/photos/136485307@N06/21496953069. It was reviewed on 9 October 2015 by FlickreviewR and was confirmed to be licensed under the terms of the Public Domain Mark.

9 October 2015

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current22:31, 9 October 2015Thumbnail for version as of 22:31, 9 October 20154,175 × 4,175 (8.02 MB)0x010C (talk | contribs)Transferred from Flickr via Flickr2Commons

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