galaxy group
plural of captainship
(astronomy) A group of galaxies that hold together gravitationally.
That which is not a legume.
State of nonexistence; the condition of being nothing. / Void; emptiness. / Quality of inconsequentiality; lacking in significance.
天文学者たちは、近くの銀河群がゆっくりと単一の巨大な系に合体しつつあることを観測した。
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