Hubble Unveils Galaxy in Perseus Cluster That is Almost Entirely Dark Matter
A Ghostly Presence Emerges (Image Credits: Cdn.mos.cms.futurecdn.net) Perseus galaxy cluster astronomers recently identified a faint cosmic structure that stands out for its overwhelming dominance of invisible mass.[1][2] A Ghostly Presence Emerges Among the luminous giants of the universe, few objects hide as effectively as low-surface-brightness galaxies. These rare entities glow dimly, their sparse stars barely ...












