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Space

Little red dots seen by JWST might be a kind of black hole 'star'

Red specks in the early universe are puzzling astronomers, but a proposed explanation suggests they are the progenitors of supermassive black holes

By Jonathan O’Callaghan

27 March 2025

A view of the early universe captured by the James Webb Space Telescope, including numerous little red dots whose nature is uncertain

NASA, ESA, CSA, Steve Finkelstein (UT Austin)

A mysterious class of small, red objects in the early universe might be explained by black holes inside dense cocoons of gas, like a star.

Since launching in 2021, the James Webb Space Telescope (JWST) has found hundreds of objects in the early universe that appear extremely red and compact, dubbed little red dots (LRDs).

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