For instance, a particle at the outer edge of Saturn's B ring is in a 2: 1 resonance with Mimas, meaning that it goes around the planet precisely twice for each lap the satellite completes.
For instance, a particle at the outer edge of Saturn's B ring is in a 2: 1 resonance with Mimas, meaning that it goes around the planet precisely twice for each lap the satellite completes.
例如,土星B环外缘的粒子与土卫一周期成2:1共振,意思是粒子每绕行星两圈,卫星刚好绕一圈。