Astronomers discover the 1st-ever merging galaxy cores at cosmic dawn

Two superluminous quasars, or active black holes at the centers of large galaxies, were found just 900 million years after the Big Bang — the earliest detection of a pair of merging quasars ever seen.

Astronomers discover the 1st-ever merging galaxy cores at cosmic dawn
Two superluminous quasars, or active black holes at the centers of large galaxies, were found just 900 million years after the Big Bang — the earliest detection of a pair of merging quasars ever seen.

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