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The effect of tides and an inner core on the forced longitudinal libration of Mercury

✍ Scribed by Tim Van Hoolst; Attilio Rivoldini; Rose-Marie Baland; Marie Yseboodt


Book ID
116453734
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
442 KB
Volume
333-334
Category
Article
ISSN
0012-821X

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The influence of Mercury’s inner core on
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As Mercury orbits the Sun, gravitational torques on its equatorial elliptical shape give rise to a planetary libration. The amplitude of Mercury's libration, as determined from Earth-based radar speckle pattern observations, suggests that only the mantle participates in the motion. This indicates a