Tags: 63 | quasars | discovered | astronomers

63 Quasars, Each Billions of Years Old, Discovered by Astronomers

An artist's rendering of a very distant quasar courtesy of ESO/M. Kornmesser. (Carnegie Science)

By    |   Tuesday, 13 Sep 2016 03:09 PM

Astronomers have discovered 63 new quasars, the largest number reported in a single scientific study.

A survey, led by Eduardo Bañados, an astronomer at the Carnegie Institution for Science, shows a number that almost “doubles the number of known quasars in the early universe,” UPI reported.

Quasars are “among the oldest — and brightest — objects in the observable universe,” The Christian Science Monitor noted. However, due to the fact that these objects are located at some of the farthest parts of the universe, their findings are few and far between for many scientists.

That all changed Monday when 63 quasars, each said to be more than 12 billion years old, were discovered using high-powered telescopes, The Christian Science Monitor reported. These new findings could provide scientists with new insight into how the universe emerged from its “dark ages.”

“The formation and evolution of the earliest light sources and structures in the universe is one of the greatest mysteries in astronomy,” Bañados explained to Phys.org. “Very bright quasars such as the 63 discovered in this study are the best tools for helping us probe the early universe. But until now, conclusive results have been limited by the very small sample size of ancient quasars.”

Scientists say the Big Bang was the birth of the universe and is when the universe began to cool, before light was present. Scientists also believe “it wasn’t until gravity slowly condensed the plethora of hydrogen atoms that the universe’s first sources of light came into existence,” UPI noted.

Astronomers believe quasars may have been some of the first sources of light in the universe.

Bañados’ new survey will be published in the Astrophysical Journal Supplement Series, according to UPI.

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Astronomers have discovered 63 new quasars, the largest number reported in a single scientific study.
63, quasars, discovered, astronomers
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2016-09-13
Tuesday, 13 Sep 2016 03:09 PM
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