SMRTR Science & EngineeringAug 16, 2025Science News

The oldest known black hole formed more than 13.3 billion years ago

SMRTR summary

The James Webb Space Telescope has spotted the oldest known black hole, formed within 500 million years after the Big Bang, over 13.3 billion years ago. This massive object, containing the mass of 38 million suns, was identified from a mysterious "little red dot" called CAPERS-LRD-z9, with evidence showing it actively shaped its host galaxy while surrounded by dense neutral gas that may contribute to its distinctive red appearance.

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