If the moon attracts the earth, will the earth move to the moon?

The law of universal gravitation says that every mass in the universe attracts other masses, and the gravitation between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. So, the earth and the moon really attract each other.

The mass of the earth is 8 1 times that of the moon, and the distance between them is 385,000 kilometers.

According to Newton's third law of motion, if the earth exerts a force on the moon, the moon will inevitably exert an equal force on the earth, but this does not mean that these equal forces have the same influence, because the masses of the two objects are different. The influence of a given force on the earth's motion is small 8 1 times that on the moon.

The most obvious influence of the earth's gravity is that the moon orbits the earth once in 27 days, and its elliptical orbit is about 385 thousand kilometers away from the earth. The most obvious effect of lunar gravity is to cause the ocean to expand towards the moon. Less obviously, the Earth also "goes around the moon once every 27 days", and its elliptical orbit is 0/times that of the small 8/kloc-of the moon, with a distance of 4,800 kilometers. However, because two objects can't really "orbit" each other, they both orbit around the same point, that is, the center of mass. The earth's orbit is about 4,800 kilometers, and the moon's orbit is about 385,000 kilometers. Distance is the distance from the center of the earth to the center of the earth-that is, the center of gravity is located inside the earth-about 1700 km below the surface of the earth.

In the early solar system, around the time when the earth was formed, another planet called Teia hit the earth, producing millions of tons of debris. At that time, nothing on earth could witness this, which was still a theory, although there was sufficient evidence, especially after 1969 and the early 1970s, the moon rocks were studied. Imagine what it would be like if there was life watching on the earth.

This is the so-called "big collision hypothesis". Therefore, if it is true, it will follow the same physical rules as when the other two objects collide. First of all, collision must obey the third law of network motion, remember what I said in high school? Every action has an equal and opposite reaction force and space debris will be projected into a force equal to collision, so that it can get rid of the gravity of the earth and adapt to its orbit around the earth in the next 4 billion years. Gravity will work together and buy debris to form the moon.

When we use the expression "into orbit" on the earth, we take human beings as the benchmark, not the time scale of the universe as the benchmark. It was never in orbit, but it was the gravity of the earth that pulled it back to the earth slowly (millions of years or more), or just gravity was in orbit, but there was still enough force to influence it to be slightly away from the earth 4.5 billion years ago. The moon seems a little late at a speed of about 3.87 cm per year. According to calculations, the moon was only 22,000 kilometers away from the Earth when it was first formed. Since its formation, it has moved far outward, and now it is 450 thousand kilometers (or about 450 thousand kilometers) away from the earth.