Where does the moon come from? Where does the moon come from?

From the great ** of the universe.

The average distance of the Moon from the Earth is about 10,000 kilometers, the distance from the Earth's farthest apogee is 10,000 kilometers, and the distance from the Earth's perigee is 10,000 kilometers. The moon generally refers to the moon, which is a spherical celestial body that revolves around the earth and is also the only natural satellite of the earth.

The Moon is the fifth-largest moon in the solar system, with an average radius of about kilometers, which is equivalent to times the radius of the Earth; The mass is close to kilograms, which is twice that of the Earth. The surface of the Moon is covered with craters formed by the impact of small celestial bodies.

The rotation of the moon. The Moon rotates while revolving around the Earth, and the period day is exactly a sidereal month, so we can't see the far side of the Moon. This phenomenon is called "synchronous rotation", or "tide locking", and is almost a universal law in the world of solar system satellites.

It is thought to be the result of the long-term tidal action of satellites on planets. The balance movement is a wonderful phenomenon that allows us to see 59% of the surface of the moon. There are mainly the following reasons:

1) In different parts of the elliptical orbit, the rotation speed does not match the angular velocity of the revolution.

2) The intersection of the white and equator.

The moon rises from the east because the moon rotates counterclockwise from west to east around the earth.

The front side of the moon is dotted with huge impact craters filled with basalt lava flows ejected from dark volcanoes, forming a vast plain called the "Moon Sea", in fact, there is not a drop of water in the "Moon Sea".

Between the outer and lunar seas are bright, ancient plagioclase highlands and conspicuous impact craters. It is the brightest object in the sky other than the Sun, and although it appears very bright white, its surface is actually very dark and its reflectivity is only slightly higher than that of old asphalt.

Since the earth rotates from west to east, the sun and moon are seen rising from the east when we see the sun and moon on the earth. However, because of the different counterparts, people often get the direction wrong.

If you look at the moon from the first day of the lunar calendar, the moon rises in the east and sets in the west, but from the age of a month, if you choose the same time to see the position of the moon every day, you will find that the moon is constantly moving from the west to the east, such as around the third day of the lunar month, the moon is in the western sky at sunset, and around the eighth day of the lunar month, the moon reaches the eastern sky, which is the moon revolving around the earth. In the first half of the lunar calendar, the moon is already in the sky when it gets dark; After the fifteenth day of the lunar calendar, you can see that the moon rises from the east and sets the moon, so it is best to choose a few days after the third day of the month, when the moon will set from the west.

The moon was beautiful, but one day, it suddenly disappeared.

Where the hell did the moon go? Maybe the naughty kids went back to play? Maybe it was stolen by a thief? Maybe it's comforting a weeping tree.

I think the moon and the little star play hide and seek together, and it hides behind the clouds to play'I'm so glad that I forgot the time, forgot that I was going to light up the people who walked at night, and forgot that people were waiting for it to come out. People couldn't see the moon and were very distracted, thinking that maybe the moon was caught by Big Brother Dark Cloud, maybe the moon fell into the stream? Maybe it was eaten by a puppy?

Maybe the moon is sick?

People were thinking about the moon, it turned out that the moon was caught by the dark cloud brother Yuchang, the dark cloud was gone, and the moon came out again.