Last Updated
：2025/11/19
comet
IPA(Pronunciation)
Noun
Japanese Meaning
彗星：太陽系内を公転する、小さな天体。主に揮発性の氷、塵、および岩石の粒子で構成され、非常に偏心の軌道で太陽に近づくと氷が昇華してコマ（大気）を形成し、太陽風によって引かれる尾を生じることがある。
Sense（1）
Sense（2）
（ plural ）
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(astronomy) A small Solar System body consisting mainly of volatile ice, dust and particles of rock whose very eccentric solar orbit periodically brings it close enough to the Sun that the ice vaporises to form an atmosphere, or coma, which may be blown by the solar wind to produce a visible tail.
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comet
We watched the bright comet streak across the night sky, its icy nucleus releasing gas and dust that formed a glowing tail.
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We watched the bright comet streak across the night sky, its icy nucleus releasing gas and dust that formed a glowing tail.
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