Hubble Unveils Dark Matter Web in Stunning Abell 209 Galaxy Cluster Image
NASA/ESA’s Hubble Space Telescope has launched a hanging new image of the big galaxy cluster Abell 209, 2.8 billion light-years from us in the Cetus constellation. The huge cluster accommodates over 100 galaxies held collectively by gravity, however what’s seen is simply half the story. Underneath the shining galaxies is a tangled net of unseen […]
