Was Ist Bootes Void?

At nearly 330 million light-years in diameter (approximately 0.27% of the diameter of the observable Universe), or nearly 236,000 Mpc³ in volume, the Boötes void is one of the largest known voids in the Universe, and is referred to as a supervoid

Why is the Boötes Void?

It has been theorized that the Boötes void was formed from the merger of smaller voids, much like the way in which soap bubbles coalesce to form larger bubbles. This would account for the small number of galaxies that populate a roughly tube-shaped region running through the middle of the void.

Is Boötes Void a black hole?

Previously, the black hole accretion in centers of void galaxies had been studied in only a handful of objects contained in only one void region, the Bootes Void.