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File:AS15-M-2510.png

Original file ‎(4,048 × 4,048 pixels, file size: 8.18 MB, MIME type: image/png)

Summary

Description
English: This photo was used in Figure 180 of Apollo Over the Moon: A View from Orbit (NASA SP-362, 1978), which has the following caption:
The crater Humboldt, on the east limb of the Moon, as seen from Earth, is 200 km across, a little larger than Tsiolkovsky. This view by the Apollo 15 mapping camera looks southward across Humboldt's ejecta blanket and into the crater. Irregular secondary craters partly covered by the ejecta are in the foreground, and a long chain of secondaries extends from Humboldt's rim to the foreground. Humboldt is one of the largest craters known to have a prominent central peak. If the crater is like terrestrial impact structures, the peak may expose rock uplifted about 10 percent of the crater's width, on the order of 20 km from beneath the crater floor. This would be an exciting find for future astronauts. A spider web of cracks on the crater floor suggested to R. B. Baldwin (1968) that the floor was bowed up in the middle. Later, dark mare lavas flooded low areas in the outer part of the floor and covered the cracks. A peculiar "bull's eye" double crater on the crater floor has several counterparts elsewhere on the Moon. The origin of these double craters is a continuing puzzle.-K.A.H.

Photographic data:

Image Name: AS15-M-2510
Mission: Apollo 15
Revolution (Orbit): 71
Camera: Mapping/Metric
Exposure: 00:00:00.013
Camera Tilt: 40
Sun Elevation: 26.0°
Features: HUMBOLDT
Film Type: 3400
Color: black&white
Date
Source Arizona State University, Apollo Image Archive, Apollo Browse Gallery, Apollo 15: Mapping (Metric) Camera, AS15-M-2510
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: AS15-M-2510.

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

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:

Captions

Humboldt crater

Items portrayed in this file

depicts

Humboldt

media type

image/png

File history

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Date/TimeThumbnailDimensionsUserComment
current01:33, 3 July 2023Thumbnail for version as of 01:33, 3 July 20234,048 × 4,048 (8.18 MB)JstubyUploaded a work by NASA from Arizona State University, Apollo Image Archive, Apollo Browse Gallery, Apollo 15: Mapping (Metric) Camera, [http://wms.lroc.asu.edu/apollo/view?camera=M&image_name=AS15-M-2510 AS15-M-2510] with UploadWizard
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