File:AS16-M-0712.png

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English: Ptolemaeus crater (foreground), Alphonsus crater, and Arzachel crater, looking south.

This photo is used in Figure 29-123 of the Apollo 16 Preliminary Science Report (NASA SP-315), which has the following caption:

Alphonsus Crater (center) exhibits many of the characteristics of type 3 craters. The most conspicuous characteristics are the fracture pattern and dark vent areas.

The text of the Report explains Type 3 craters:

Type 3 craters are partially flooded, but the rims are unbreached by the adjacent mare materials. Most of these craters have, or appear to have, crater floors below the level of the adjacent mare surfaces. Many type 3 craters contain a network of arcuate rifles and radial, grabenlike fractures; occasionally, they contain sinuous rifles. The fracture patterns often suggest general expansion of the crater floor.

Photographic data:
Image Name: AS16-M-0712 Mission: Apollo 16 Revolution (Orbit): 26 Camera: Mapping/Metric Camera Tilt: 40 Start Time: (DOY:112) 1972-04-21T22:10:37 Spacecraft Altitude: 110.75 km Center Coordinates (lat, lon): -12.37°,-1.51° Sun Elevation: 7.0° Features: ALBATEGNIUS, PTOLEMAEUS Film Type: 3400

Color: black&white
Date
Source Arizona State University, Apollo Image Archive, Apollo Browse Gallery, Apollo 16: Mapping (Metric) Camera, AS16-M-0712
Author NASA
This image or video was catalogued by one of the centers of the United States National Aeronautics and Space Administration (NASA) under Photo ID: AS16-M-0712.

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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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current13:58, 4 December 2021Thumbnail for version as of 13:58, 4 December 20214,048 × 4,048 (9.75 MB)Jstuby (talk | contribs)Uploaded a work by NASA from Arizona State University, Apollo Image Archive, Apollo Browse Gallery, Apollo 16: Mapping (Metric) Camera [http://wms.lroc.asu.edu/apollo/view?camera=M&image_name=AS16-M-0712 AS16-M-0712] with UploadWizard

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