Unsolved problems in cosmology
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Contents

  • Introduction
  • Learning outcomes
  • 1 Cosmology today
    • 1.1 The expanding Universe
    • 1.2 The cooling Universe
    • 1.3 Matter in the Universe
  • 2 Is modern cosmology fundamentally wrong?
  • 3 The nature of dark matter
  • 4 The nature of dark energy
    • 4.1 A cosmological constant
    • 4.2 Quintessence models
    • 4.3 Modified gravity
  • 5 Inflation
    • 5.1 Horizon problem
    • 5.2 Flatness problem
    • 5.3 Monopole problem
    • 5.4 Inflationary theories and how to study them
  • 6 Conclusion
  • 7 Quiz
  • References
  • Acknowledgements
  • Glossary

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