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The free librations of Mercury and the size of its inner core

✍ Scribed by Dumberry, M.


Book ID
119681186
Publisher
American Geophysical Union
Year
2011
Tongue
English
Weight
190 KB
Volume
38
Category
Article
ISSN
1944-8007

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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