Roche limit

短语

洛希极限（卫星运行轨道与主星之间的理论临界距离）

词形变化

Roche limits 复数 Roche limits

释义与例句

n.
  1. 1.

    The closest a satellite can approach its parent body before the gravitational forces holding it together are overwhelmed by tidal forces pulling it apart.

    天文

词源

Named after French astronomer Édouard Roche, who first calculated the limit in 1848.

来源：wiktionary