Содержание
- 2. 11 December 2001 Astronomy 102, Fall 2001 From last time: the cosmic microwave background is almost
- 3. 11 December 2001 Astronomy 102, Fall 2001 Inflation: the cosmic microwave background is almost too isotropic
- 4. 11 December 2001 Astronomy 102, Fall 2001 Inflation: the cosmic microwave background is almost too isotropic
- 5. 11 December 2001 Astronomy 102, Fall 2001 Time Distance Big Bang Quarks (t ~ 10-6 sec)
- 6. 11 December 2001 Astronomy 102, Fall 2001 The age and fate of the Universe The expanding
- 7. 11 December 2001 Astronomy 102, Fall 2001 The age and fate of the Universe (continued) Time
- 8. 11 December 2001 Astronomy 102, Fall 2001 The age and fate of the Universe (continued) Time
- 9. 11 December 2001 Astronomy 102, Fall 2001 How can we tell which “universe” is our Universe?
- 10. 11 December 2001 Astronomy 102, Fall 2001 Critical density Normalized present-day density (“omega”) The present-day density,
- 11. 11 December 2001 Astronomy 102, Fall 2001 So what is the present-day density of the Universe?
- 12. 11 December 2001 Astronomy 102, Fall 2001 1. Is the Universe gravitationally bound? Matter-dominated universes (continued).
- 13. 11 December 2001 Astronomy 102, Fall 2001 Mid-lecture break Homework #7 is due on Friday at
- 14. 11 December 2001 Astronomy 102, Fall 2001 2. Age of matter-dominated universes General relativity can be
- 15. 11 December 2001 Astronomy 102, Fall 2001 If Ωm is assumed to be much smaller than
- 16. 11 December 2001 Astronomy 102, Fall 2001 2. Age of matter-dominated universes (continued) For the best
- 17. 11 December 2001 Astronomy 102, Fall 2001 2. Age of matter-dominated universes (concluded) Time from present
- 18. 11 December 2001 Astronomy 102, Fall 2001 3. Measurements of the Universe’s spacetime curvature: is it
- 19. 11 December 2001 Astronomy 102, Fall 2001 3. Measurements of the Universe’s spacetime curvature: is it
- 20. 11 December 2001 Astronomy 102, Fall 2001 Results from BOOMERANG (Caltech/ UCSB/ U. Rome/ NASA) 3.
- 21. 11 December 2001 Astronomy 102, Fall 2001 3. Measurements of the Universe’s spacetime curvature: is it
- 22. 11 December 2001 Astronomy 102, Fall 2001 3. Measurements of the Universe’s spacetime curvature: is it
- 23. 11 December 2001 Astronomy 102, Fall 2001 3. Measurements of the Universe’s spacetime curvature: is it
- 24. 11 December 2001 Astronomy 102, Fall 2001 Age and fate of the Universe if it has
- 25. 11 December 2001 Astronomy 102, Fall 2001 Age and fate of the Universe if it has
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