from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy A planet which
orbitsin the habitable zonearound a star, where temperatures like those on Earthoccur, allowing for the possibleexistence of liquid water and of life.
from Wiktionary, Creative Commons Attribution/Share-Alike License
From the children's story Goldilocks, in which a bowl of porridge is neither too hot nor too cold.
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