Goldilocks zone

or goldilocks zone


noun Astronomy.

a zone around a star having temperatures and other conditions that can support life on planets: Mars is thought to lie on the outer edge of the sun's Goldilocks zone.

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Question 1 of 7
What does “vacillate” mean?
Also called habitable zone .

Origin of Goldilocks zone

after the fairy-tale character Goldilocks
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020