Astronomers have detected and confirmed the faintest early-Universe galaxy ever using the 10-m Keck II telescope at the W. M. Keck Observatory, Hawaii. Color image of MACS J2129.4-0741 taken with the NASA/ESA Hubble Space Telescope: an image of the faint, distant galaxy was split into three by a powerful gravitational lens; by comparing the spectra of the three images (white boxes), astronomers could show they were all the same object 13 billion light-years...
