A Preliminary Study on the Reasons Why Planets Rotate Synchronously

This paper proposes the equivalent spherical surface of the planet's graviton emitted by gravitons and the gravitational action point of the planet, which illustrates the separation phenomenon of the gravitational action point and the center of mass. Taking the earth and the moon as an example, the gravitational action point of the moon is at a radius 0.5 near the earth-moon gravitational action point on the moon and the center of mass of the moon, the gravity of the earth acts on the moon, which will cause the moon to produce a centripetal force orbiting the earth, and the moon will produce a reverse rotation force. For the rotation of the moon, since the gravitational action point is relatively fixed, the moon's center of mass rotates inversely relative to the gravitational action point of the earth and moon. Under the combined action of the inertial force of the moon, the centripetal force of the earth and the rotation of the moon in the opposite direction around the gravitational action point, the moon's rotation will form an elliptical orbit. This article simulates the elliptical orbit of the moon orbiting the earth. For the moon, the rotation speed of the moon produced by the earth's gravity is 30 times faster than the actual rotation speed, and this speed is affected by the moon's revolution speed. Therefore, it can be considered that the rotation speed generated by the earth's gravity on the moon is a frequency modulated by the moon's revolution speed. The initial rotation speed of the moon is constantly superimposed with the lunar rotation speed generated by the earth's gravity. The initial rotation speed of the moon will approach the lunar rotation speed generated by the earth's gravity. When the velocities of the two are similar, the superposition of the two velocities will demodulate the lunar revolution speed modulated above the lunar rotation speed generated by the earth's gravity. The demodulated rotation plane is perpendicular to the lunar white path plane. From the results, the demodulated speed is the same as the lunar revolution speed, which means that the moon is rotating synchronously. The moon orbits the earth and revolves around the sun at the same time. The changes in the angle between the moon's equatorial plane and the white path plane are related to this. Through analysis, we can see that the solid structure of the planet's radius 0.5 to the spherical surface is a necessary condition for the planet's synchronous rotation. The planet's synchronous rotation is the final return of the planet's operation.