English Dictionary

brown dwarf

名詞

(astronomy) A starlike object that contracts to about the volume of the planet Jupiter after its formation phase; its mass may range from several times that of Jupiter, such that it fuses deuterium, up to just below the threshold of sustained hydrogen fusion.

日本語の意味

（天文学用語）形成段階を経た後、約木星の体積に収縮する、星に似た天体。質量は木星の数倍から、持続的な水素融合が起こる閾値直前までの範囲にある。

Astronomers discovered a brown dwarf orbiting the nearby star, challenging models of substellar formation.

天文学者たちは近くの恒星を回る褐色矮星を発見し、亜恒星の形成モデルに疑問を投げかけた。

意味（1）

(astronomy) A starlike object that contracts to about the volume of the planet Jupiter after its formation phase; its mass may range from several times that of Jupiter, such that it fuses deuterium, up to just below the threshold of sustained hydrogen fusion.

brown dwarfs （ plural ）

brown dwarves （ plural ）