Last Updated
：2025/11/29
galactic cannibalism
Noun
uncountable
Japanese Meaning
大きな銀河が、伴星となる銀河との潮汐重力相互作用によって、その伴星銀河を同化・合併し、結果としてより大きく、しばしば不規則な形状を呈する銀河になる現象
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The process by which a large galaxy, through tidal gravitational interactions with a companion, merges with that companion, resulting in a larger, often irregular galaxy.
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galactic cannibalism
Astronomers observed galactic cannibalism when a massive spiral galaxy gradually absorbed its smaller companion over billions of years.
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Astronomers observed galactic cannibalism when a massive spiral galaxy gradually absorbed its smaller companion over billions of years.
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