Euclid — built and operated by ESA, with contributions from NASA — has captured full-color images of a large cluster of galaxies, close-ups of two nearby galaxies, a globular cluster, and a nebula. They show that Euclid is ready to create the most extensive 3D map of the Universe yet, to uncover some of its hidden secrets. This image from ESA’s Euclid spacecraft shows the Horsehead Nebula, also known as Barnard 33, a giant star-forming...
