Why the Boötes Supervoid Scares Scientists

Cosmic voids represent the most enduring time capsules in the cosmos, remaining largely unchanged over billions of years. Defined by their sparse matter content, these voids provide a pristine and unparalleled environment for studying the universe.
Within these vast expanses lie answers to numerous cosmological mysteries. As cosmological laboratories they offer insights into the fundamental nature of dark matter and dark energy, reveal details about the ancient universe, and provide crucial information on the formation of galaxies. Thus, our greatest insights into the universe's mysteries may only be uncovered through careful exploration and study of these expansive regions of emptiness.