TIL about the Boötes Void, an enormous, nearly empty region of space 330 million light-years in diameter. It is so desolate that if the Milky Way had been in its center, we wouldn't have known other galaxies existed until the 1960s.

https://www.skyatnightmagazine.com/space-science/bootes-void
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1rgeizp/til_about_the_boötes_void_an_enormous_nearly/