There Are Cosmic Structures So Colossal They Make Galaxies Seem Like Mere Specks of Dust
You look up at the night sky and marvel at the vastness of space. Stars flicker, planets wander, and maybe you can make out the faint smudge of a neighboring galaxy if conditions are right. For centuries, humans believed these glowing points were the ultimate markers of cosmic scale. Then telescopes got better. Much better. ...












