cosmic web, galaxies

New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.
Experts emphasize that the cosmic microwave background is shaped by everything it encounters on its journey, including ...
Matter in intergalactic space is distributed in a vast network of interconnected filamentary structures, collectively ...
It is not surprising that there are regions that are more densely populated by galaxies, and regions that are less populated.
Matter in intergalactic space is not randomly scattered - it forms a vast network of filamentary structures that make up the ...