A few days ago, I came upon a Nature summary of the astrophysics research of Helene Courtois and R. Brent Tully in their attempts to describe the universe. As it turns out, despite the enormous distances between galaxies, many celestial bodies “near” the Milky Way are all being sucked in to the same location, which for Courtois and Tully defines a superstructure of galaxies. See more about it here:

-Shiv