Goldilocks zone

So called because, like the third of the three bowls of porridge in the fairy tale Goldilocks, it is neither too hot nor too cold, but just right.

Goldilocks zone (plural Goldilocks zones)

1. Synonym of habitable zone
   • 2021, Kevin Hand, Alien Oceans: The Search for Life in the Depths of Space, Princeton University Press, →ISBN, page 43:

     This plot may be a map of another type of Goldilocks zone for habitable ocean worlds—one base on composition.

• Venus zone

• Goldilocks planet
• Goldilocks principle