Which system is cited as a prime example of a "Goldilocks planet hosted by a Goldilocks star"?
Answer
The Kepler-442 system, hosting Kepler-442b.
The Kepler-442 system is specifically mentioned as a prime illustration of ideal celestial architecture for habitability, featuring the rocky world Kepler-442b orbiting a star classified as a Goldilocks star (a K dwarf). This designation implies that the planet resides within the stable Habitable Zone of a star whose characteristics—long lifespan and low, steady radiation—are deemed perfect for long-term biological evolution, unlike systems dominated by volatile M-dwarfs or short-lived massive stars.
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