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Tuesday, June 2, 2015

In another universe, free-range planets could host life

In another universe, free-range planets could host life


neighborhood of stars packed tightly together (illustrated)
ALTERNATE UNIVERSE   A neighborhood of stars packed tightly together (illustrated) might heat interstellar space enough for an orphaned planet wandering nearby to have liquid water on its surface and, therefore, potential for life.
Of all possible universes, ours is probably not the only inhabitable one. Universes that start under different circumstances from our own might give rise to a wide range of exotic habitable environments, researchers suggest May 24 online at arXiv.org.

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