Modern Cosmology

Focusing on the intricacies of cosmology, this comprehensive text explores the universe's structure through the Friedmann-Lemaître-Robertson-Walker metric. It delves into essential topics like dark energy, big bang nucleosynthesis, and dark matter, while examining perturbations in the FLRW universe using Einstein-Boltzmann equations. The updated third edition introduces new sections on gravitational waves and line intensity mapping, alongside enhanced discussions of CMB secondaries, ensuring alignment with recent advancements and modern educational techniques.