libration 的定义
Astronomy.
- a real or apparent oscillatory motion, especially of the moon.
更多libration例句
- For other worlds, we usually have to rely on other data: fluctuations in gravity, or the gentle rocking motion known as libration.
- The authors of the new study used data from the Cassini probe orbiting Saturn to measure the libration of Mimas.
- However, both the Moon and Mimas experience libration wobbling slightly and bringing part of the “far side” into view.
- To see how a global ocean could affect libration, take two bottles, fill one with sand and the other with water, then spin them.
- But it is only an insignificant margin of the far side of the moon which this libration permits us to examine.
- One more astronomical discovery also he was to make—that of the moon's libration.
- Its rhythmic libration typified to him the principle of change in existence and of existence in change.
- Here the honourable luminary gave a sort of modest libration, which convulsed the meeting with laughter.
- At no time did Browning write verse which soars with a more steadfast and impassioned libration of wing.