A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope. The quasars were powered by a pair of supermassive black holes on a collision course. <br /><br />Credit: Space.com | footage & animations courtesy: NASA, ESA, Joseph Olmsted (STScI), Yu-Ching Chen (UIUC), Hsiang-Chih Hwang (IAS), Nadia Zakamska (JHU), Yue Shen (UIUC), Goddard Space Flight Center | edited by Steve Spaleta<br />Music: Falling Bits by Uygar Duzgun / courtesy of Epidemic Sound
