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Goldilocks zone

American  
Or goldilocks zone

noun

Astronomy.
  1. 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.


Etymology

Origin of Goldilocks zone

After the fairy-tale character Goldilocks


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

He described the region as a "Goldilocks zone" where it "never gets too cold, never gets too hot", with high rainfall supporting woodland growth.

From BBC ● May 20, 2026

They described this highly efficient range as a "Goldilocks zone."

From Science Daily ● May 14, 2026

In 2021, Long and colleagues followed up with a vanadium-based MOF that grabs hydrogen molecules more tightly at 21 kJ/mol, in the heart of the Goldilocks zone.

From Science Magazine ● Sep. 27, 2023

“There’s a Goldilocks zone that you’re trying to hit which makes it hard to pull off,” Terry explained.

From Seattle Times ● Sep. 1, 2022

At least to the human nose, cow’s milk is in the Goldilocks zone of being “just right.”

From Washington Post ● Mar. 13, 2022

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