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Lone, starless cloud may be a 'dark' galaxy

Source: Phys.org · Oct 17, 2026 13:40 UTC

James Webb Space Telescope image of the Cosmic Cliffs in the Carina Nebula — File photo NASA, ESA, CSA, STScI · Public domain · Source

The Quick Take

Astronomers using China's FAST radio telescope have discovered a compact cloud of hydrogen with no visible stars or galaxy around it. This could be one of the strongest candidates yet for an isolated "dark galaxy," containing nearly 500,000 times the sun's mass in neutral hydrogen. The discovery paper was posted to the arXiv preprint server on Sept. 24.

Read the full story at Phys.org

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