Runaway galaxies ejected by galactic collisions

April 24, 2015 3:24 AM

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A recent survey identified 11 isolated, small compact elliptical galaxies.

Past discoveries have revealed the existence of around two dozen runaway stars, rocketing out of their former homes at escape velocities of over a million miles per hour. These vagrant stars probably were once members of binary star systems that strayed too close to the supermassive black hole at th...

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