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Wednesday, August 2, 2017

Did quasars halt star formation in early massive galaxies?

Quasars, the brightest objects in the universe, may have been responsible for the stopping of star-formation activity in some of the early massive galaxies in the universe, a new study suggests. These galaxies were hotspots of activity, throwing up stars by the billions, about 12 billion years ago, but are now mostly astral dead zones.

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