Cosmic Filament

A cosmic filament is a long, thread-like structure made of galaxies, gas, and dark matter that forms part of the Universe’s cosmic web.
Latest News (Oxford University, 2025)
Scientists discovered a ~50 million light-year long filament.
Contains 14 aligned galaxies.
Shows coherent rotation → among the largest spinning structures known.
Key Points
Largest structures in the Universe; often span hundreds of millions of light-years.
Act as scaffolding connecting galaxy clusters and surrounding voids.
Serve as gas highways, supplying material for galaxy formation and star formation.
Formed by gravity pulling matter into long, thin strands.
Crucial for understanding galaxy growth, distribution of matter, and cosmic evolution.