👉 Astronomy fluid, also known as cosmic fluid, is a theoretical concept describing the large-scale structure and dynamics of matter in the universe, particularly dark matter and baryonic gas. It posits that these components flow and interact under the influence of gravity, shaping the cosmic web—a vast network of filaments and voids that define the universe's structure. This fluid behavior governs processes like galaxy formation, where gas collapses into dense regions to ignite star birth, and the distribution of matter across cosmic scales. Though not directly observable, its effects—such as gravitational lensing and galaxy rotation curves—provide critical evidence for its existence, offering insights into the universe's evolution and the interplay between dark matter and visible matter.
