Modern cosmological observations and problems

pt.1. Cosmological model building. pt.2. The extragalactic distance scale. pt.3. Structure in the universe : galaxies, clusters, superclusters, walls and voids. pt.4. Dark matter in the universe. pt.5. Structure formation scenarios and observational constraints. pt.6. The distribution of baryons in the universe. pt.7. Concluding remarks and future prospects.