Last Updated
：2025/11/29
galactic habitable zone
Noun
Japanese Meaning
銀河の円盤内に位置し、核に近すぎず遠すぎない（重元素の供給や超新星からの影響が適度な）生命が発生可能な領域、すなわち「銀河居住可能領域」 / 知的生命体が進化する可能性がある、重元素が確保できる一方で過度な超新星の被曝を避けられる銀河内の狭域
（ plural ）
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(astrobiology, astronomy) the zone in a disk galaxy lying within the disk which is neither too far from the core so as to be lacking in heavier elements, nor too close to the core as to experience excessive exposures to supernovae, where intelligent life may develop
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galactic habitable zone
Scientists often debate how the galactic habitable zone shifts over time as stars form and die.
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Scientists often debate how the galactic habitable zone shifts over time as stars form and die.
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