VOIDS
Dark Matter Map of the Universe Reveals Galaxies and Cosmic Voids
NASA Blueshift, Bringing the universe closer to you
Do we have a standard answer for what is the Bootes Void? - Quora
Next Stop: Voids
Filling the Void
PYC2601 - Personality Theories
Does any part of our planet extend into outer space? - Quora
Martin Krzywinski - A Map of Superclusters and Voids in the Universe - Canada's Michael Smith Genome Sciences Centre