Science/Tech

Astronomers: One in Five Sun-like Stars Could Have Earth-Like Habitable Planet

Billions and billions

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The known odds of something - or someone - living far, far away from Earth improved beyond astronomers' boldest dreams on Monday. 

Astronomers reported that there could be as many as 40 billion habitable Earth-size planets in the galaxy, based on a new analysis of data from NASA's Kepler spacecraft.