👉 Dark fluid, also known as "dark matter" in the context of astrophysics, refers to a mysterious, highly viscous fluid that permeates galaxies and galaxy clusters. Despite its name, it is not actually dark; rather, it's an enigmatic substance that emits very little light, making it nearly invisible to traditional telescopes. This fluid is thought to be composed of ultra-cold, slow-moving particles that interact weakly with electromagnetic forces, making it difficult to detect directly. Its presence is inferred through gravitational effects on visible matter, such as the rotation curves of galaxies and the distribution of hot gas in clusters. The exact composition of dark fluid remains unknown, but it is believed to consist of exotic particles like axions or sterile neutrinos, which could help explain the observed gravitational anomalies in the universe.
