“Such stunning cosmic coincidences reveal so much about nature.” ~ Leonidas Moustakas, Jet Propulsion Laboratory The Hubble Space Telescope has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other like a bull's-eye pattern. The double-ring pattern is caused by the complex bending of light from two distant galaxies strung directly behind a foreground massive galaxy, like three beads on a string. Read more: "Einstein’s [...]

The Hubble Space Telescope image above indicates that a huge ring of dark matter surrounding the center of galaxy cluster CL0024+17?located in Pisces. Originally posted here: Discovery of the Day: The "Dark Matter Halo"