Definition

A slow movement or oscillation of a satellite as seen from the larger body it orbits, making it appear to wobble slightly.

Example

The libration of the moon allows us to see slightly more than half of its surface from Earth.

Conversation

Have you ever heard about the concept of libration in space?

Yeah, it’s fascinating how moons and planets can appear to wobble a bit.

Exactly! The way they move can really change how we see them from Earth.

I love learning about that stuff; it makes the universe feel so dynamic!

Synonyms & Antonyms

Root Explanation

Libration is derived from the Latin "librare" (meaning to balance or weigh) and the suffix "-tion" (indicating the action or process of). The word "libration" refers to the action of balancing or oscillating, particularly in the context of celestial bodies.

Memory Tip

Think of 'balancing' ('librare') as a way to remember that 'libration' means the action of balancing or oscillating.

Visually Confused Words