Starstruck: half of universe's stars are orphans with no galaxy

November 6, 2014 7:09 PM

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WASHINGTON (Reuters) - You can call them celestial orphans, stars flung out of their galaxies in colossal collisions that have occurred in space for billions of years. These forsaken stars may be far more common than anyone ever realized.

New observations from suborbital rocket launches and an orbiting observatory show that as many as half the stars in the universe may be this kind, scientists said on Thursday. They found that the dim light these stars produce from the far reaches of the cosmos equals the amount coming from all the g...

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