There could be around 5 billion habitable planets in the Milky Way

Half of the stars in our galaxy that are similar to the sun could be home to an Earth-like planet capable of supporting life.

A team led by Steve Bryson at NASA’s Ames Research Center in California analysed data from the Kepler space telescope, searching for rocky planets within the habitable zone of stars the same size as our sun. The habitable zone is found at the distance from a star where it isn’t too hot or too cold for liquid water to exist.

Based on detections of …

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