Why is the Habitable Zone frequently referred to as the “Goldilocks Zone”?

Answer

Because conditions must be *just right* regarding temperature.

The term 'Goldilocks Zone' is a colloquial reference implying that the orbital distance must be 'just right'; too close means water vaporizes, and too far means water freezes.

Why is the Habitable Zone frequently referred to as the “Goldilocks Zone”?

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What Is the Habitable Zone? - YouTube

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