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Answering the question why the maximum number of phenomena occurs precisely at the perigee and apogee, it is worth resorting to the concept that the retention of one planetary body by another is due to the attraction between their central parts. And this will certainly be the most suitable material for research. Let's consider it reasonable to start with the notion that the phenomena observed on the planet's surface are mainly generated by endogenous forces. Therefore, first of all, the question arises: will the solidified shell of a planetary body behave in the same way if the core changes the mode of action on it?
Read more: The maximum number of events on the Moon occurs at perigee and apogee
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In this case, we are interested in: the lunar seas can be located above the general surface level. Lava was thrown out on the already hardened crust, that is, on areas of the lunar surface, which were a petrified mass, similar to the continental plains, but with some differences: there were no ring structures and no mountain structures in these areas.
Read more: Layers of lava flows on the surface of the seas of the Moon
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Through the gaps formed in the fossilized shell, a huge mass of fiery-liquid substance poured onto the surface of the crust, which, according to its volume, occupied the surface area. Well, after cooling it down, what do we see? Not the same lunar seas and oceans! Not the same lava flows on Earth? So that's the point. And no meteorites are involved here. And if they were involved, then only in the past, and by that time they had weakened the bark.
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According to the laws of isostasy, an evolving planetary body should acquire a spherical shape, without any significant deformation of its solidified shell. According to the laws of isostasy, the selenosphere should be attracted around with the same force by its own center of gravity. Without hesitation, with a light hand, one could say that the pear-shaped of the Moon, that is, its elongation towards the Earth, is due to the tidal forces of the Earth. The substance of the Moon, which is closer to the Earth, is attracted by the earth's forces of attraction with a greater force, and more distant - with a lesser force. Along the way, the reason for the violation of the laws of isostasy would arise. But in reality - all this is only an apparent and false idea.
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If each particle of the lunar were attracted with the same force, regardless of its location, on the surface or inside the planetary body, plus the gravitational field itself, which would hold them all together, then no external forces would violate the correct shape of the moon ball, according to the law of isostasy. But in reality, the Moon has an elongated shape, and moreover, in the direction of the Earth. Isn't this suspicious? Therefore, not all lunar matter is equally and not with the same force attracted to the Earth.
Read more: Why does the shape of the Moon elongated towards the Earth
