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When the Lights Went On: Earliest Quasar Shines Light on Universe's Early galaxy formation | High Sierra Backpacker

When the Lights Went On: Earliest Quasar Shines Light on Universe's Early galaxy formation


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 09 July 2018

 

 

ASTROPHYSICS NEWS

Deepest Space, Earliest Times

When the Lights Went On

Plasma-spewing quasar shines light on universe's youth, early galaxy formation,
Carnegie Institution for Science, July 9, 2018.

QUASAR
"Quasars are comprised of enormous black holes accreting matter at the centers of massive galaxies."

OLD LIGHT
"...this newly discovered quasar's light has been traveling nearly 13 billion of the universe's 13.7 billion years to reach us here in Earth. P352-15 is the first quasar with clear evidence of radio jets seen within the first billion years of the universe's history."

EARLY UNIVERSE
"The Big Bang started the universe as a hot soup of extremely energetic particles that were rapidly expanding. As it expanded, it cooled and coalesced into neutral hydrogen gas, which left the universe dark, without any luminous sources, until gravity condensed matter into the first stars and galaxies."

RARE BIRD?
"It's highly unusual to find radio jet-emitting quasars such as this one from the period just after the universe's lights came back on."

 

Early Time

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