AzTEC-3 is a high-Redshift Starburst Galaxy with
an extremely high Star Formation Rate, discovered at z = 5.3
by AzTEC, a Bolometer-array camera installed on the James Clerk Maxwell Telescope (JCMT).
It is surrounded by galaxies forming stars at high
but more usual rates and it shows signs of a recent
Galaxy Merger. It lends evidence to the theory
that galaxies grew through mergers and through
the effect of mergers on their gas. Its redshift places
it at 12.6 light-years distant, about a billion years
after the Big Bang.
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