A rare configuration of seven galaxies aligned behind a galaxy cluster allows researchers to probe with high precision the dark matter distribution within the cluster.
Rachel Berkowitz is a science journalist and editor with a passion for outdoor adventures and sustainable transportation. She is a corresponding editor for APS Physics, AlphaGalileo Ltd, Phys.org, and Scientific American, where she covers a wide range of topics in physics, chemistry, and materials science. Rachel's articles explore the latest scientific discoveries and their implications for our understanding of the world around us.