Question

which planet is known as cousin of earth​

Answer 1

HEY MATE

THE PLANET WHICH IS KNOWN AS COUSIN OF EARTH IS Kepler-452b.

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Answer 2

Answer:

Kepler - 186f

Explanation:

A newly discovered planet nick named Earth's cousin has just been found 490 light years from earth. The planet called Kepler - 186f is the first earth size planet found in the habitable zone of it's star