"Version: 20230801"--Title page verso.Revised edition of: General relativity.Includes bibliographical references.1. Introduction -- 1.1 Prologue -- 1.2. Einstein's insight -- 1.3. Structures seen today -- 1.4. Hubble's law -- 1.5. Olbers' paradox -- 1.6. The big bang and the cosmic microwave background -- 1.7. Inflation -- 1.8. Dark matter -- 1.9. Structure formation -- 1.10. Dark energy -- 1.1…