galactic habitable zone

短语

词形变化

galactic habitable zones 复数 galactic habitable zones

释义与例句

n.
  1. 1.

    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

    天文

词源

From galactic + habitable zone.

来源：wiktionary