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.
Astronomers have identified a strange new object in deep space, a vast cloud that looks like a galaxy stripped of its stars.
Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark matter halo that may be the first-confirmed failed galaxy.
Astronomers using the NASA and European Space Agency’s Hubble Space Telescope have identified what appears to be a ...