Last Updated：2025/12/05

(astronomy) A period of cometary activity when the comet becomes exceptionally bright.

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great comet

Source Word

great comet

(astronomy) A period of cometary activity when the comet becomes exceptionally bright.

Japanese Meaning

（天文学）彗星が非常に明るく現れる期間、すなわち大彗星として知られる現象

Astronomers gathered on the hill to watch the great comet brighten the night sky.

天文学者たちは丘に集まり、夜空を明るく照らす大彗星を観測した。

Sense（1）

(astronomy) A period of cometary activity when the comet becomes exceptionally bright.

great comets

（ plural ）