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The term 'Goldilocks Zone' is often seen in the news in the context of:

  1. A.Habitable zone around a star where liquid water can exist
  2. B.The optimal temperature range for nuclear reactor operation
  3. C.The altitude range where commercial aircraft fly
  4. D.The economic growth rate considered ideal for a developing country
▶ Answer & Explanation

Correct answer: A. Habitable zone around a star where liquid water can exist

The 'Goldilocks Zone' refers to the habitable zone around a star. In this region, temperatures are just right for liquid water to exist on the surface of a planet, which is considered a key requirement for life as we know it.

Source: UPSC gs1 2023

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