UPSC CSE Prelims
Question 100
The term 'Goldilocks Zone' is often seen in the news in the context of
View correct answer and explanation
Correct answer: C
Correct Option: C
Explanation: The Goldilocks or circumstellar habitable zone is the orbital region around a star where a rocky planet could potentially sustain liquid water on its surface.
Option-wise Analysis:
A: Incorrect - It is not a zone of altitude above Earth’s surface.
B: Incorrect - It does not refer to subsurface shale-gas deposits.
C: Correct - Astronomers use habitable zones to search for potentially Earth-like extrasolar planets.
D: Incorrect - Meteorites rich in metals are unrelated to the Goldilocks-zone concept.