Why are there no stars in winter?

Because it takes one year for the earth to orbit the sun. In summer, the earth is moving between the center of the Milky Way and the sun. The broadest, densest, and brightest central part of the Milky Way appears in the sky at night, so you can see particularly many stars in summer. In winter, the earth is moving between the edge of the Milky Way and the sun. Between the sun, the central part of the Milky Way can only be seen during the day, but due to the strong sunlight during the day, we cannot see the stars. At night, what we see is the thin edge of the Milky Way, where there are particularly few stars. Therefore, there are fewer stars in the night sky in winter than in summer. \x0d\In fact, it is related to the weather on the earth. The proposition "there are more stars on a summer night than on a winter night" is inherently wrong. Specifically, there should be more stars on summer nights in the Northern Hemisphere than on winter nights. This is not the case in the Southern Hemisphere. Therefore, the above answer is not quite correct. In my opinion, the main reason is that there are more cold weather in winter, and the thick clouds block the stars in space. Moreover, in the northern hemisphere, pollution is much greater than in the southern hemisphere. Human activities have made the night sky less "pure". Didn't you see that the night sky in cities is usually red? Is it possible to see stars in such an environment? \x0d\There are more than 100 million star chambers in the entire Milky Way, and they are roughly distributed in an oval shape. In summer, the broadest, densest, and brightest part of the Milky Way appears in our sky at night. In other seasons, some of the brightest parts of this section appear during the day and some at dusk. Some appear in the early morning, sometimes close to the horizon, so that it is not easy to see it, so we see more stars on summer nights than on winter nights.

\x0d\From another perspective, the answer is that there will be fewer people going out at night in winter, and the cold makes people feel lonely, so the stars are the same in the eyes, but there are much less psychologically.