Odder still, most of the irregulars have retrograde orbits, which means they each trundle around their host planet in a direction opposite to the sense of the rotation of the planet.
英
美
释义
更诡异的是,大部份的不规则卫星都是逆行的,意即它们绕行的方向与母行星的自转方向相反。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载