The Big Questions

key:

blue: a particle physics question

green: a cosmology question

yellow: a bigger question than only cosmology or particle physics!

 

  1. What is the nature of Something: what is Mass?
  2. What is the nature of the Higgs Boson(s)?
  3. What are the masses and nature of Neutrinos?
  4. How many Fundamental Forces of Nature are there? Why are their strengths the magnitudes that they are?
  5. Is there a single, Theory of Everything?
  6. Is String Theory correct?
  7. Are Quarks and Leptons made of still smaller objects?
  8. How many Fundamental Particles are there?
  9. Why are there generations of particle pairs of quarks and leptons? Are pairs the ultimate arrangement?
  10. Did the Universe have a Beginning?
  11. Will the Universe end?
  12. Is there only one Universe?
  13. What was the nature of the Early Universe, just after the Big Bang?
  14. Was there anything before the Big Bang?
  15. Why do clusters of galaxies show filament structure?
  16. How can Gravity and Quantum Mechanics be reconciled?
  17. Why is the observed, distant Universe so homogenous?
  18. What is the geometry of the Universe?
  19. What is the Nature of Space–are there more than 3 space dimensions?
  20. Is there a shortest length in Nature?
  21. What is the Nature of Time?
  22. What is the nature of Nothing: what is the vacuum?
  23. Can the Proton decay?
  24. What is Dark Energy?
  25. Are their aspects of Nature than require an Anthropic Principle?
  26. What is the quantum nature of Dark Matter?
  27. Where is all of the Antimatter?

 

key:

blue: a particle physics question

green: a cosmology question

yellow: a bigger question than only cosmology or particle physics!

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