English Dictionary

red giant

名詞

(astronomy) A large red coloured star with a lower surface temperature than many stars, being at the final stage of moderately massive main-sequence stars.

日本語の意味

赤色巨星：天文学において、主系列星（中程度の質量の星）が進化の終末段階に達し、表面温度が低く、赤みを帯びた大きな星を指す。

Astronomers observed a red giant slowly expanding as it exhausted its core hydrogen.

天文学者は、核の水素を使い果たしてゆっくりと膨張する赤色巨星を観測した。

意味（1）

(astronomy) A large red coloured star with a lower surface temperature than many stars, being at the final stage of moderately massive main-sequence stars.

red giants （ plural ）