Lunar crater depths from orbiter IV long-focus photographs

Icarus
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Abstract

The paper presents method and results for the determination of the depths of more than 1900 small lunar craters from measures of shadows on the long-focus pictures obtained by Lunar Orbiter IV. The method for converting the measured shadow length into the true length in nature of the shadow hypotenuse is new and is applicable to other planetary bodies provided comparable spacecraft ephemerides are available. The measures were made with a simple surveyor's plotting scale on the standard Orbiter IV photographic enlargements. The results indicate that the smaller lunar (D < 30 km) craters are appreciably deeper than is indicated by earlier work using imagery obtained at terrestrial observatories.

    Publication type Article
    Publication Subtype Journal Article
    Title Lunar crater depths from orbiter IV long-focus photographs
    Series title Icarus
    DOI 10.1016/0019-1035(74)90109-2
    Volume 23
    Issue 1
    Year Published 1974
    Language English
    Publisher Elsevier
    Description 18 p.
    First page 116
    Last page 133
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