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Extremely rare 'cosmic ring of fire' discovered in the early universe - CNET
May 25, 2020 48 secs

The ring galaxy R5519 may have been created during a massive, catastrophic collision between two galaxies in the early universe.

A violent, catastrophic collision between two galaxies has given rise to an extremely rare ring galaxy, lurking some 11 billion light years from the Earth.

In a paper, published in the journal Nature Astronomy on Tuesday, an international team of scientists detail the ring galaxy R5519, discovered after scouring data from the Hubble Space telescope and the W.M.

"The collisional formation of ring galaxies requires a thin disk to be present in the 'victim' galaxy before the collision occurs," said Kenneth Freeman, an astronomer at Australian National University and co-author on the paper, in a statement. .

If R5519 is caused by a huge collision, that would make it an extremely rare cosmic phenomena.

Yuan says she has already discovered another ring galaxy likely formed by a head-on collision -- and this is a billion years older than the "ring of fire."

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