Euclid Is on the Trail of the Dark Side of the Universe
Euclid’s strength lies in its diversity: this small section of Euclid’s large image plane shows a detail of the Perseus galaxy cluster. Clearly recognizable are both the various types and shapes of galaxies as part of the cluster in the foreground at a distance of 240 million light years and a series of faint, diffuse spots in the background – galaxies whose light has been travelling for billions of years before Euclid imaged it. Credit: ESA/Euclid/Euclid Consortium/NASA, Image Processing by J.-C. Cuillandre, G. Anselmi;…