92 Percent of Potential Earths ‘Yet to be Born’

Ninety-two percent of potentially Earth-like planets have yet to be born, according to the U.S. space agency NASA.   Using data from the Hubble Space Telescope and the Kepler observatory, astronomers were able to look “far back in time,” roughly 10 billion years ago, when stars were being born at a quick pace. To put that in perspective, our solar system is about 4.6 billion years old.   They said that while star production has slowed, there is enough helium and hydrogen left...

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