English translation for "银道旋转周期"

galactic year

Similar Words：

"银道" English translation, "银道超新星" English translation, "银道面" English translation, "银道圈" English translation, "银道系" English translation, "银道坐标" English translation, "银道坐标系" English translation, "银道座标系" English translation, "银的" English translation, "银的；银色的；银" English translation