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Lunar gravity via Apollo 14 Doppler radio tracking. (1972)

Sjogren, W. L. ; Wollenhaupt, W. ; Gottlieb, P. ; [et al.]

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Publication Date: 2011-08-16

Description: Gravity measurements at high resolution were obtained over a 100-kilometer band from +70 to -70 deg of longitude during the orbits of low periapsis altitude (approximately 16 kilometers). The line-of-sight accelerations are plotted on Aeronautical Chart and Information Center mercator charts (scale 1:1,000,000) as contours at 10-milligal intervals. Direct correlations between gravity variations and surface features are easily determined. Theophilus, Hipparchus, and Ptolemaeus are negative features, whereas Mare Nectaris is a large positive region. The acceleration profiles over Mare Nectaris are suggestive of a broad disk near the surface rather than a deeply buried spherical body.

Keywords: SPACE SCIENCES

Type: Science; 175; Jan. 14

Format: text

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