Goldilocks zone

English

Etymology

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.

Noun

Goldilocks zone (plural Goldilocks zones)

  1. (astronomy) The zone around a star where a planet could experience temperatures like those on Earth, allowing for the possible existence of liquid water and of life.

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