31 Facts About Sloan Great Wall
What is the Sloan Great Wall?TheSloan Great Wallis one of the large cosmic structures ever fall upon . dilute over 1.37 billion light - years , this colossal formation dwell of a Brobdingnagian collecting of galaxies , clusters , and superclusters . Named after the Sloan Digital Sky Survey ( SDSS ) that identify it in 2003 , this wall challenges our understanding of the existence ’s scale . Imagine a structure so immense thatlight , traveling at 186,000 miles per minute , would take over a billion years to cross it !...