According to a study, we live in a cosmic void, which is a region of space largely devoid of other galaxies, stars, and planets.
If our universe were a sponge, the milky way would dwell in one of the spongy holes. These cosmic voids are part of the large-scale structure of the universe.
Once scientists thought that Earth was occupying the hallowed center of our Universe. But researches now know that our planet is just an insignificant object. One of billions upon billion out there. The worst part is that Earth together with its galaxy, all live in a cosmic void somewhere in the universe.
Discovery of the KBC.
The idea was first proposed in 2013 when University of Wisconsin-Madison astronomer Amy Barger and her then-student Ryan Keenan found that the density of the nearby universe is lower than other parts of the universe. As Siegel explains, when examined on the grandest scale, the density of the universe is pretty uniform. But, if you zoom in on smaller and small sections of space, it is more like cosmic Swiss cheese. Also with matter pulled into dense filaments full of galaxies. Between these filaments are large voids which are not completely empty, but are much less densely packed.
The cosmic void’s name came after the three astronomers. They identified it in a 2013 study, the Keenan, Barger, and Cowie (KBC).
Though the cosmic void is not all empty. The KBC void is shaped like a sphere and is surrounded by a shell of galaxies, stars and other matter.
“If we were located in a more metropolitan area of the universe, say along one of the filaments, the apparent expansion of the universe might look slower since higher amounts of gravity would effect how quickly local objects move,” said Siegal.
Hoscheit explains that regions with stronger gravity attract the galaxy clusters that exist in a cosmic void. That would reveal in how fast these galaxy clusters move through space. But if the clusters were moving more slowly than expected, then perhaps the conclusions of the previous study would need to be rethought, he continued.