然而，还有一颗绕着母星逆行的行星。
There is, however, a planet known to orbit backwards around its parent star.
youdao
大多数行星都是在与母星赤道一致的平面上公转。
Most planets orbit in a plane that corresponds to their parent star's equator.
行星会和母恒星一样大吗？
Can a planet be as large as the star that it orbits?
应用推荐
模块上移
模块下移
不移动