The Beidou Satellite Navigation System, the spacecraft Crew Dragon --- while grappling with the COVID-19 pandemic on Earth, humans have made several landmark steps in space in 2020. Many world firsts records of astronomy and sophisticated calendar making systems over thousands of years of history, along with love between a goddess and a human and the fight of the Monkey King against the order in the heaven --- science and humanity are always two sides of the same coin not only in astronomy in China for thousands of years, but also in any science for human today.