Cosmic Insights:Cosmic Insights:Viscosity andPerturbationseffects.Chaplygin gas and bulk viscosityUnraveling cosmic history withGeneral Relativity and Quantum CosmologyInsights into the Cosmos: Bulk Viscosity and PerturbationsExploring the universe's evolution through Chaplygin gas and bulk viscosity.2025-05-15T02:54:20+00:00 ― 6 min read