Putting the Size of the Observable Universe in Perspective
Putting the Size of the Observable Universe in Perspective
Oct 19, 2012
twistedsifter.com
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
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