The image, captured by the Euclid satellite, depicts the Perseus cluster of galaxies bathed in a gentle, soft blue light emanating from orphan stars. These orphan stars are dispersed throughout the cluster, extending up to 2 million light-years from its center. The cluster galaxies stand out as luminous elliptical shapes against the dark expanse of space. Credit: ESA/Euclid/Euclid Consortium/NASA, image processing by M. Montes and J.-C.
More than 1,500 billion orphan stars scattered throughout the Perseus cluster of galaxies have been revealed in the first scientific pictures from the Euclid satellite mission.Located approximately 240 million light-years from Earth, the Perseus cluster is among the most massive structures in the universe, containing thousands of galaxies. Within this vast expanse, the Euclid satellite detected faint, ghostly lights — the orphan stars — drifting between the galaxies of the cluster.
The orphan stars are characterized by their bluish hue and clustered arrangement. Based on these distinctive features the astronomers involved in the study suggest that the stars were torn from the outskirts of galaxies and from the complete disruption of smaller cluster galaxies, known as dwarfs.After being torn from their parent galaxies, the orphaned stars were expected to orbit around the largest galaxy within the cluster.
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