Libration

(n) //laɪˈbreɪʃn//

Meaning

An apparent slow oscillation of a celestial body, like the moon, allowing more of its surface to be seen

Pronunciation

UK /laɪˈbreɪʃn/

US /laɪˈbreɪʃn/

Example Sentences

Strictly speaking, we see slightly more than half the lunar surface: the Moon wobbles gently as it travels, and this libration gradually reveals about 59 percent of the whole.

Learn Libration in Context

Why the Moon Always Shows Us the Same FaceThe Moon has kept one face turned toward us for billions of years, like a dancer who never turns her back on the audience. This eternal sameness is not a coincidence but the result of a subtle gravita...Read story

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Practice Libration

Read, listen, and practise using “Libration” in fun stories and activities.

Practise Libration in a story