Harmonic Analysis of the Librational Model of the Lunar Liquid Core
Zagidullin A. A. 1, Petrova N. K. 2, Andreev A. O. 1,2, Nefedyev Y. A 1
1Kazan Federal University, Kazan, Russia
2Kazan State Power Engineering University, Kazan, Russia
Email: arhtur.zagidullin@ya.ru, nk_petrova@mail.ru, alexey-andreev93@mail.ru, star1955@yandex.ru

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A method for constructing a theory of rotation of the Moon, which has a liquid core, is presented. The solution to the problem is carried out within the framework of the Poincare method, which allows one to consider the rotational motion of a body with a cavity filled with a homogeneous incompressible liquid located in the gravitational field. A mathematical apparatus for solving a similar problem for the simplified model of a two-layer Moon is given. Keywords: lunar core, physical libration of the Moon, Poincare method.
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