45K views · 712 reactions | In a breakthrough discovery, scientists have found the observable universe is way bigger than we thought—by about 2 trillion galaxies. | Quartz | Facebook

The Observable Universe—the part we can actually see—is about 93 billion light-years across! To put that in perspective: A light-year is the distance light travels in one year (about 6 trillion miles). Light from the galaxies on the edge has traveled for 13.8 billion years to reach us! The universe is expanding so fast that those same galaxies are now much further away than when the light left them! The entire Universe is likely much, much bigger, possibly even infinite. Just remember, you are h

294K views · 6.6K reactions | The observable universe explained!  | Evant Horizon | Facebook