Summarize the main content of the novel Three-body in one sentence.

1. This work tells the story of the rise and fall of earth civilization in the universe. It covers human history, physics, astronomy, sociology, philosophy and religion, and makes an in-depth discussion on human nature from the perspective of science fiction.

2. Creative background

Liu is an engineer and works in a power station near Shaanxi (the power station has been temporarily closed to reduce air pollution). He ran his hobby in his spare time and became a science fiction writer in China.

3. Introduction to the author

Liu is the main representative writer of contemporary science fiction in China, and is regarded as the leader of science fiction literature in China. Member of Chinese Popular Science Writers Association, Chinese Writers Association, Shanxi Writers Association, 20 13 Chinese writers' rich list. He has published sci-fi works since 1990s, and won the China Science Fiction Galaxy Award for eight consecutive years from 1999 to 2006. His works are widely praised for their grand, gorgeous imagination and great creativity. His sci-fi novels successfully combine extremely ethereal with heavy reality, pay attention to scientific connotation and aesthetic feeling at the same time, have humanistic thinking and care, and strive to create a sci-fi literary style with China characteristics.