英语翻译However,a decade of study has not turned up any obvious flaws in the basic theory.As a result,scientists now suspect that the “hot Jupiters” were indeed born with circular orbits far from their stars and that those that now have close-in or highly elliptical orbits underwent some sort of “planetary migration” or suffered gravitational interactions with other massive objects.

英语翻译
However,a decade of study has not turned up any obvious flaws in the basic theory.As a result,scientists now suspect that the “hot Jupiters” were indeed born with circular orbits far from their stars and that those that now have close-in or highly elliptical orbits underwent some sort of “planetary migration” or suffered gravitational interactions with other massive objects.