摘要
According to Density wave theory, catastrophes can be related to spiral arms in galaxy. Each time solar system entered into the spiral arms corresponds to impact events, respectively. The spiral arms would impose an influence on Earth and the solar system.
According to Density wave theory, catastrophes can be related to spiral arms in galaxy. Each time solar system entered into the spiral arms corresponds to impact events, respectively. The spiral arms would impose an influence on Earth and the solar system.
出处
《科技风》
2010年第11期261-262,共2页