HD 189733b is a hotJupiter - a planet similar in mass to Jupiter in our Solar System, but one that orbits much closer to its star, and so is much hotter.
HD 189733 b是一个炽热的木星——一颗和太阳系中的木星极为相似的行星,但是它绕行的轨道更接近与它的恒星,因此比木星更为炎热。
2
During this period of irregularity, which may have lasted millions of years, any rocky inner world sitting in the path of the hotJupiter and its new orbit would have been obliterated.