Question

How many planets are habitable in the universe?​

Answer 1

Answer:

Infinite planets are habitable in the universe as universe is so vast..

Answer 2

Answer:

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40 billion

Potential habitable zone status

In November 2013, astronomers reported, based on Kepler space mission data, that there could be as many as 40 billion Earth-sized planets orbiting in the habitable zones of Sun-like stars and red dwarfs in the Milky Way, 11 billion of which may be orbiting Sun-like stars.