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 ar...
Orbiting Stars Give Clues to a Quiescent Black Hole's Mass
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June 9, 2026 •
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Original source:
Universe Today
