Astronomers using the NASA/ESA/CSA James Webb Space Telescope have spotted at least five young globular clusters within SPT 0615-JD1 (also known as the Cosmic Gems arc), a strongly-lensed galaxy that existed when the Universe was 460 million years old. These images show the galaxy cluster SPT-CL J0615-5746 (right) and a portion of this cluster (left) showing two distinct lensed galaxies. The Cosmic Gems arc is shown with several galaxy clusters. Image...
