In April 2015, astronomers announced the discovery of a supervoid, the largest known structure in the universe, 1.8 billion ly (550 Mpc) across ad characterized by its unusual emptiness.
This big hole is 1.8 billion ly (550 Mpc) across, characterized by its unusual emptiness. In April 2015, astronomers announced the discovery of a supervoid, the largest known structure in the universe.
In April 2015, astronomers announced the discovery of a supervoid, the largest known structure in the universe. This big hole is 1.8 billion ly (550 Mpc) across, characterized by its unusual emptiness.
In April 2015, astronomers announced the discovery of a supervoid, the largest known structure in the universe. This big hole is 1.8 billion ly (550 Mpc) across, characterized by its unusual emptiness.