The Universe is 13.7 billion years old and yet we can "see" objects that are now more than 45 billion light years away. Let that twist up your brain when you go off to sleep tonight. https://t.co/BLD5BImkcc https://video.twimg.com/ext_tw_video/1781483843045715968/pu/vid/avc1/1072x618/FwMsjDlnxH7kk4YU.mp4?tag=12