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'Starbursts' and Black Holes Lead to Biggest Galaxies
from BBC News Online
Frenetic star-forming activity in the early Universe is linked to the most massive galaxies in today's cosmos, new research suggests. This "starbursting" activity when the Universe was just a few billion years old appears to have been clamped off by the growth of supermassive black holes.
An international team gathered hints of the mysterious "dark matter" in early galaxies to confirm the link. The findings appear in Monthly Notices of the Royal Astronomical Society.
Being able to see objects at great distances in the cosmos allows astronomers to look into the past, at light that departed when the Universe was young. Using the 12-metre Atacama Pathfinder Experiment telescope in Chile, an international team led by Ryan Hickox of Dartmouth College studied the way distant galaxies from the early Universe grouped together.
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