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Astronomers discover 'Cloud-9,' a galaxy that never formed stars

Astronomers have identified Cloud-9, a starless galaxy dominated by dark matter that failed to form in the early universe. The discovery offers new insight into galaxy formation and the nature of dark matter.

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Lean Right

For decades, astronomy rested on the premise of observing the light of stars to understand the universe. But a decisive part of cosmic history occurs where there is no brightness. In those invisible regions even for the most powerful telescopes, it dominates an elusive substance that does not emit light or form planets, but whose gravity sustains the architecture of the cosmos: dark matter. Today it is known that more than 85% of the matter of t…

·Buenos Aires, Argentina
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A cosmic object without stars, dominated in appearance by dark matter, drew the attention of the scientific community for its ability to question the classical models of galactic formation. It is Cloud-9, a structure located about 14 million light years away from Earth, which resembles a galaxy in almost all its aspects, except the most essential: it never formed stars. The finding was made known in an article published in November 2025 in The A…

Lean Right

The Hubble telescope has put the focus on an object that, at first glance, could pass through a dim spot more in the sky. However, when analyzing it in detail, the conclusion of the study published in IOP Science is that it is not a star or an ordinary dwarf galaxy. It is really a cloud of gas that seems to be sustained by a halo of dark matter, but without the ingredient that normally betrays a galaxy: the stars.The candidate is known as Cloud-…

·Spain
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Center

The first observation in 2023. The research is due to Alejandro Benitez-Llambay, of the Department of Physics of the University of Milan-Bicocca

·Italy
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Center

Astronomy using NASA Space Hubble Telescope has discovered a new type of cosmic object that is believed to be a "failed galaxy".

·Romania
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Digi 24 broke the news in Romania on Sunday, January 11, 2026.
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