最終更新日：2024/07/29

A planetary mass object, less massive than a brown dwarf star, and not in orbit around a star.

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sub-brown dwarf

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sub-brown dwarf

noun

A planetary mass object, less massive than a brown dwarf star, and not in orbit around a star.

Scientists have discovered a sub-brown dwarf in the outer regions of our solar system.

意味（1）

A planetary mass object, less massive than a brown dwarf star, and not in orbit around a star.