galactic habitable zone
English
Etymology
Noun
galactic habitable zone (plural galactic habitable zones)
- (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
Related terms
- habitable zone
- circumstellar habitable zone
- continuously habitable zone
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