“2017年IOAA理论第13题-系外卫星”的版本间的差异
来自astro-init
第4行: | 第4行: | ||
'''Exomoon''' [60 marks] | '''Exomoon''' [60 marks] | ||
− | Exomoons are natural satellites of exoplanets. The gravitational influence of such a moon will affect the position of the planet relative to the planet-moon barycentre | + | Exomoons are natural satellites of exoplanets. The gravitational influence of such a moon will affect the position of the planet relative to the planet-moon barycentre |