The highest peaks in the maps correspond the foreground massive clusters of galaxies that lie 5 billion light - years away. (sciencedaily.com)
As part of its Frontier Fields program, Hubble observed a very massive cluster of galaxies, MACS J0416.1 - 2403, located roughly 4 billion light - years away and weighing as much as a million billion suns. (sciencedaily.com)
This is a Hubble Space Telescope view of a very massive cluster of galaxies, MACS J0416.1 - 2403, located roughly 4 billion light - years away and weighing as much as a million billion suns. (sciencedaily.com)