SDSS J0928+2031, a huge group of galaxies in the constellation of Leo, is so massive that its strong gravity bends light like a giant lens. This Hubble image shows a giant cluster of galaxies called SDSS J0928+2031. The image is made up of observations from Hubble’s Wide Field Camera 3 (WFC3) in the infrared and optical parts of the spectrum. It is based on data obtained through four filters. The color results from assigning different hues to each...
