2015 · Science & TechnologyPrevious Year Question
Q45.
The term 'Goldilocks Zone' is often seen in the news in the context of
A. the limits of habitable zone above the surface of the Earth
B. regions inside the Earth where shale gas is available
C. search for the Earth-like planets in outer space
D. search for meteorites containing precious metals
Answer

C

Explanation

3rd option is correct. To be considered habitable, exoplanets must orbit within a distance of their stars in which liquid water can exist on the planet's surface, receiving about as much sunlight as Earth.