The Institute of Astrophysics in the Canary Islands

Perseus galaxy cluster. The image, taken by the Euclid satellite, shows the Perseus galaxy cluster illuminated by the soft blue light emitted by orphan stars. These stars are scattered throughout the cluster, and reach a distance of 2 million light years from its center. The cluster galaxies stand out in illuminated elliptical shapes against the dark space. Credit: ESA/Euclid/Euclid Consortium/NASA, Image processing: M. Montes (IAC) and J.-C. Cuillandre (CEA Paris-Saclay).

The Euclid mission reveals 1.5 trillion orphan stars cruising through space

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The Perseus cluster is among the most massive structures in the universe, containing thousands of galaxies and located about 240 million light years from Earth. Within this vast expanse, the Euclid satellite detected faint and ghostly lights - the orphan stars
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