Orbiting Stars Give Clues to a Quiescent Black Hole's Mass

June 09, 2026 Universe Today

Orbiting Stars Give Clues to a Quiescent Black Hole's Mass
By Carolyn Collins Petersen (https://ift.tt/v86JztZ)

A JWST image of the highly distorted red galaxy MRG-M0138 seen through a foreground cluster of galaxies (white sources). Via the phenomenon of gravitational lensing, the same background galaxy is multiply imaged four times. Courtesy: NASA/JWST

How do you measure the mass of a dormant black hole in the early Universe? That's a question astronomers at University College London (UCL) and Carnegie scientists wanted to answer about a distant object that is invisible. So, they turned to James Webb Space Telescope (JWST) studies of the region around the black hole to find that answer.

June 10, 2026 at 12:22AM
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