最終更新日：2024/07/30

(astronomy) a very small body orbiting a planet, often as part of a planetary ring system.

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moonlet

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moonlet

noun

(astronomy) a very small body orbiting a planet, often as part of a planetary ring system.

The moonlet orbits around the gas giant.

意味（1）

(astronomy) a very small body orbiting a planet, often as part of a planetary ring system.

A moonlet within the ring system will exert a systematic torque on ring material.