habitable zone(redirected from Circumstellar Habitable Zones)
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Related to Circumstellar Habitable Zones: Solar System Habitable Zone
habitable zonethe area around a star (such as the sun) in which there is sufficient energy present to sustain life.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005