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THE ORIGIN AND FATE OF THE UNIVERSE

THE ORIGIN AND FATE OF THE UNIVERSE. The Scale of the Universe. The solar system (see illustration). The Scale of the Universe. Nearby Star systems (see illustration). The Scale of the Universe. Galaxies spiral galaxies (the Milky Way and the Andromeda galaxies) the arms the central bulge

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THE ORIGIN AND FATE OF THE UNIVERSE

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  1. THE ORIGIN AND FATE OF THE UNIVERSE

  2. The Scale of the Universe • The solar system (see illustration)

  3. The Scale of the Universe • Nearby Star systems (see illustration)

  4. The Scale of the Universe • Galaxies • spiral galaxies (the Milky Way and the Andromeda galaxies) • the arms • the central bulge • the halo and globular clusters

  5. The Scale of the Universe (cont.) • Galaxies • irregular galaxies • elliptical galaxies

  6. Large Magellinic Cloud, irregular galaxy M84 Elliptical Galaxy

  7. The Scale of the Universe (cont.) • The Local Cluster or Group (see illustration)

  8. The Scale of the Universe (cont.) • Super clusters (see illustration)

  9. The Scale of the Universe (cont.) • The Universe (see illustration)

  10. Newton’s Model • Infinite and static • Olber’s paradox

  11. Evidence of Expansion • Hubble’s law • doppler shift • recession velocity Vs. distance

  12. Evidence of Expansion • Background radiation • doppler shift

  13. The Creation of the Universe • The big bang • time line • 10-43 s • 10-35 s • 10-35 s - 10-24 s • 10-12 s • 10-6 s • 2 s • 3 minutes • 300, 000 years

  14. The Creation of the Universe • The big bang • the laws of physics • where • when

  15. The Fate of the Universe • Critical mass / density

  16. The Fate of the Universe • Curvature of space • open (saddle or negative curvature) • critical (flat or no curvature) • closed (spherical or positive curvature)

  17. Some say the world will end in fire.Some say ice.From what I’ve tasted of desireI hold with those who favor fire.But if I had to perish twiceI think I know enough of hateTo say that for destruction iceIs also greatAnd would suffice.

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