Astronomers Discover 252 Ultra-Faint Dwarf Galaxies in Early Universe

Using observations from the NASA/ESA Hubble Space Telescope, astronomers have discovered over 250 ultra-faint dwarf galaxies in three extremely distant galaxy clusters Abell 2744, MACS0416 and MACS0717. Some of these galaxies formed just 600 million years after the Big Bang. The team, headed by Dr Hakim Atek of the Ecole Polytechnique Fédérale de Lausanne in [...] —> Read More