Redshift 10: Evidence for a New Farthest Galaxy . ... VLT , ESO Explanation: What's the farthest galaxy known? The answer keeps changing as astronomers compete to find galaxies that top the list. ... Detected light left this galaxy 13.2 billion of years ago, well before the Earth formed, when the universe was younger than 3 percent of its present age . Astronomers have estimated a redshift of 10 for this galaxy, the first double-digit claim for any galaxy. ... NASA Official: Jay Norris. ...