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A ghost galaxy, 99.9% dark matter, was found 250 million light-years away using star clusters and advanced telescopes.
A Canadian-led team has discovered CDG-2, a "ghost galaxy" 250 million light-years away, composed mostly of dark matter and nearly invisible due to its faint brightness—equivalent to just 5 million stars.
Using data from Hubble, Euclid, and the Subaru Telescope, researchers identified it through four orbiting globular clusters, suggesting the galaxy is likely 99.9% dark matter, stripped of star-forming material by past interactions.
The finding highlights dark matter’s dominant role in cosmic structure and advances astrostatistics, offering new clues about the universe’s unseen components.
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Una galaxia fantasma, 99.9% de materia oscura, fue encontrada a 250 millones de años luz de distancia utilizando cúmulos de estrellas y telescopios avanzados.