Apollo 15 Hasselblad image from film magazine  86/NN - EVA-1 &amp; 2.<br>This photograph is figure 5-69 of the <i>Apollo 15 Preliminary Science Report</i> (NASA SP-289, 1972), which has the following caption:<br>Cross-Sun photograph, looking south, of large block with well-preserved coating of bubbly glass at station 2.<br>(Station 2 is at the base of Mons Hadley Delta.)<br>The text of the <i>Report</i> describes the boulder:<br>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.<br>(This is the stereo companion to AS15-86-11555.)
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2015-09-24 07:24
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/projectapolloarchive/21061096814/">AS15-86-11554</a>