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Submission + - Early Universe Friendlier to Life Than Previously Thought (nature.com) 2

gpronger writes: Cosmologists have considered the early universe inhospitable due to lack of water. Quoting the article; "Abraham Loeb, an astrophysicist at Harvard University in Cambridge, Massachusetts, has realized that in the early Universe, the energy required to keep water liquid could have come from the cosmic microwave background, the afterglow of the Big Bang, rather than from host stars."

And

"He suggests that there would have been a habitable epoch of 2 million or 3 million years during which all rocky planets would have been able to maintain liquid water, regardless of their distance from a star. “The whole Universe was once an incubator for life,” he says."

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Early Universe Friendlier to Life Than Previously Thought

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