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.

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Etymology

Origin of Goldilocks zone

After the fairy-tale character Goldilocks

Example Sentences

The BOJ’s new estimates show that the natural interest rate—seen as the “Goldilocks” zone which is neither stimulative nor restrictive to the economy—was in the range of around -0.9% to +0.5% as of the July-September quarter of 2025.

From The Wall Street Journal

“The Goldilocks zone, if you will.”

From The Wall Street Journal

This planet, TRAPPIST-1e, orbits within the star's "Goldilocks zone" -- a region where temperatures could allow liquid water to exist on the surface -- but only if the planet has an atmosphere to help regulate those conditions.

From Science Daily

The answer, he says, is to find what he calls the “Goldilocks zone” of healthy conflict, where people inside the business feel comfortable raising problems without triggering squabbles.

From The Wall Street Journal

"The exoplanet is in the habitable or the 'Goldilocks Zone,' the right distance from its star that liquid water could exist on its surface, if it has the right atmosphere."

From Science Daily