Massive Galaxies That Died Young: Astronomers Find a Cause
New research identifies black hole mergers as the cause of massive galaxies that formed stars rapidly then abruptly stopped, solving a long-standing cosmic mystery.
ALMA
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Weighing a Monster: Black Hole Mass Measured in Early Universe ‘Little Red Dot’
Astronomers directly measured the mass of a supermassive black hole in a high-redshift ‘little red dot’ galaxy, using ALMA to weigh a 300 million solar mass monster just 800 million years after the Big Bang.