Not exact matches
Simulations of how large - scale cosmic structures form suggest that
galaxies are
connected by a
vast network of dark matter, the evasive substance that makes up most of the universe's matter but interacts with regular matter only via gravity (SN Online: 10/11/17).
They are thought to be parts of the network of filaments
connecting galaxies in a
vast cosmic web.
MAUNA KEA, HAWAII — Astronomers have discovered a distant quasar illuminating a
vast nebula of diffuse gas, revealing for the first time part of the network of filaments thought to
connect galaxies in a cosmic web.