You and I are really, really small. And we're even smaller than we thought we were last month, at least when compared with the size of the largest known item in the universe.
Last week, a team of astronomers based in the U.K. discovered the largest object in all of our observable existence: a celestial structure made up of 73 quasars that is up to 4 billion light years long.
How big is that exactly? Well, it would take tens of thousands of our own Milky Ways -- the big, galactic one, not the one that comes in … Read more