Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to know about Cloud-9.
A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.
NASA’s Hubble finds Cloud‑9, a starless gas cloud dominated by dark matter. The first confirmed “failed galaxy” reveals hidden cosmic structures and new insights into galaxy formation.
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