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THE ORIGIN AND FATE OF THE UNIVERSE. The Scale of the Universe The solar system (see illustration)

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Presentation on theme: "THE ORIGIN AND FATE OF THE UNIVERSE. The Scale of the Universe The solar system (see illustration)"— Presentation transcript:

1 THE ORIGIN AND FATE OF THE UNIVERSE

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

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4 The Scale of the Universe Nearby Star systems (see illustration)

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6 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

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8 The Scale of the Universe (cont.) Galaxies –irregular galaxies –elliptical galaxies

9 Large Magellinic Cloud, irregular galaxy M84 Elliptical Galaxy

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

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

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14 The Scale of the Universe (cont.) The Universe (see illustration)

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16 Newton’s Model Infinite and static Olber’s paradox

17 Evidence of Expansion Hubble’s law –doppler shift –recession velocity Vs. distance

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19 Evidence of Expansion Background radiation –doppler shift

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21 The Creation of the Universe The big bang –time line s s s s s s 2 s 3 minutes 300, 000 years

22 The Creation of the Universe The big bang –the laws of physics –where –when

23 The Fate of the Universe Critical mass / density

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

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26 Some say the world will end in fire. Some say ice. From what I’ve tasted of desire I hold with those who favor fire. But if I had to perish twice I think I know enough of hate To say that for destruction ice Is also great And would suffice.


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