A thread of the cosmic web: astronomers spot a 50 million light-year galactic filament
At the very largest scale, the Universe consists of a “cosmic web” made of enormous, tenuous filaments of gas stretching between gigantic clumps of matter. Or that’s what our best models suggest. All we have seen so far with our telescopes are the stars and galaxies in the clumps of matter. So is the cosmic web real, or a figment of our models? Can we confirm our models by detecting these faint ..
2022.12.10