Hubble and Euclid Team Up To Identify A Dark Matter Galaxy

February 19, 2026 Universe Today

Hubble and Euclid Team Up To Identify A Dark Matter Galaxy
By Evan Gough (https://ift.tt/iOdUoR6)

Candidate Dark Galaxy 2 (CDG-2) contains only a few stars and is dominated by dark matter, making it very dim. It was detected by observing its four globular clusters and the galaxy's very faint emissions. Image Credit: NASA, ESA, Dayi Li (UToronto); Image Processing: Joseph DePasquale (STScI)

We know galaxies by their powerful illumination, generated by multitudes of stars. But some galaxies can be very dim. These are hypothesized to be dark galaxies, or dark matter galaxies. They're theoretical, and only candidates have been identified, but researchers may have confirmed the very first one.

February 19, 2026 at 09:57PM
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