News Cosmology

Filament of cosmic web set aglow

Rare glimpse at massive outstretched gas cloud could reveal universe’s hidden structure

GIANT STRUCTURES The cosmic web shows dark matter filaments and intersections where galaxies reside, in a computer simulation. 

Anatoly Klypin/New Mexico State University, Joel Primack/UC Santa Cruz

By Gabriel Popkin

- More than 2 years ago

All of the universe’s matter, cosmologists believe, forms a web of dark matter and gas that was spun shortly after the Big Bang and has been stretching out ever since.