Picture of blog But when I was young, I was full of reverie about the vastness, "Are stars and diamonds?" "Does the distant universe also watch us?" Questions like this are in my mind. We know that the earth already existed for 4.6 billion to 50 million 100,000,000 years, and human civilization is only 10,000 years old, compared to human fatigue is so tiny. Nevertheless, the ancients also realized that the universe was vast and had scientific research. In ancient China, people invented astronomical phenomena. People judged the weather by observing astronomical phenomena and good and bad farming. People invented astronomical instruments to observe the distant universe. In 1973, the Mawangdui archaeologists unearthed in China discovered an exquisite comet map of the picture, which undoubtedly proves the great discovery of the ancients in studying the universe. The detailed depiction of the clouds, moon and minor planets in the picture undoubtedly play