宇宙論簡介 高文芳 交大物理所 宇宙元年 1/1 西元 2009/8/10 於清華天文所...
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- 1/1 2009/8/10
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- 1. NASA mostly HST pictures 2. 3. APS 4. 5.
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- / Feynman
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- http://utopia.utexas.edu/ project/portraits/edison.jpg
http://www.cec.mtu.edu/ csa/pegasus/einstein.jpg
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- - ; Crab Nebula- super nova
http://rst.gsfc.nasa.gov/Sect20/crab.jpg Imagination is more
important than knowledge. Einstein (1879-1955)
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- Julian Schwinger (1918-94) The Nobel Prize in Physics 1965
Richard P. Feynman (1918-88)
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- Ed. Witten [1951- ] Fields Medal, 1990 Atiyah: ( ), , . , , .
(Brandeis) B.A. 1971 Princeton M.A. 1974 / Ph.D. in 1976 Harvard
1976-77; Junior Fellow 1977-80 Princeton 1980 MacArthur Fellowship
1982 (Institute for Advanced Study) Professor in the School of
Natural Sciences 1982
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- The 2002 Nobel Prize in Physics Cylinder of 41.4m (Height) x
39.3m (Diameter) 50,000 tons of pure water 11,200 photomultiplier
tubes (50cm each in diameter -the biggest size in the world)
1,000m) http://www-sk.icrr.u-tokyo.ac.jp
/sk/photo/sk_build44.jpg
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- Everything is physics J. Schwinger Matter Physics Bio-Physics
Social Physics [ Auguste Comte, 1798-1857 ]
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- Social Physics
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- DVD Amazon.com books.com.tw
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- http://www.th.physik.uni-frankfurt.de/
~jr/gif/phys/weinberg.jpg
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- Stephen William Hawking was born on 8 January 1942 (300 years
after the death of Galileo) in Oxford, England.
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- The Early Universe (Frontiers in Physics) by Edward W. Kolb,
Michael S. Turner "Our current understanding of the evolution of
the Universe is based upon the Friedmann-Robertson- Walker (FRW)
cosmological model, or the hot big bang model as it..."
(more)Edward W. KolbMichael S. Turnermore
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- General Theory of Relativity by Paul Adrien Maurice Dirac "For
the space-time of physics we need four coordinates, the time t and
three space coordinates x, y, z..." (more)Paul Adrien Maurice
Diracmore http://www.cc.nctu.edu.tw/~wf gore/apple2.htm
http://www.cc.nctu.edu.tw/~wf gore/apple2.htm
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- DVD
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- 1. 1-1 1-2 1-3 2 2. 2-1
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- 22 23 M31 24 68. 22-24 M31 ( )
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- (A) M31 (B) M31 (C) (D) (E)
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- 200 200 ' '
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- 20 2.7 K
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- ( ) 2.7 K
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- Plank
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- Discovery Wonders of the universe the infinite quest 50
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- 2
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- 100 2004.8
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- 100
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- 100 ( 12800 ) ( 128 ) 100
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- 100 100
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- 100 100 , (AU, Astronomical Unit)
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- 10 UB313 100 0.15bn km 5.9 bn km UB313 ~100AU
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- 38 97 AU
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- Oort Cloud OR ~ 500 *100 AU 1~2
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- 6378 6.9599x10 5 149.598 394 140 3000 200 1980
http://contest.ks.edu.tw/~river/know/2000know/active/active1.htm
http://contest.ks.edu.tw/~river/know/2000know/active/active1.htm
299,792,458 / 7 [Oort cloud], , 50000~100000AU, 1
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- M31.NGC 224 Andromeda d ~ 2900 (kly) ~ 10 6 lyAndromeda
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- IV M31 (Andromeda Island Universe) 200 (Credit & Copyright:
Tony Hallas) 1920 2.5 M31 CopyrightTony Hallas
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- Our own Milky Way galaxy has collided twice already, and is
headed for a collision with our neighbor, the Andromeda Galaxy , in
about (30 ) 3 billion years from now.
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- http://zebu.uoregon.edu/~imamura/123/images/sun.gif
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- VII AT&T 1964 7.35 cm 2.73 K
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- VIII COBE (cosmic microwave background radiation explorer)
COBE
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- http://www.p2.com.tw/catalog/images/DOR 15B.gif
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-
http://www.astrosurf.org/lombry/Physique/wormhole-alpha-centauri.jpg
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- A B MIT 13
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- 135~150 135~150 (ly) 9.4610 12 km 10 11 9.4610 12 km ~ 0.94610
11
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- 10 11
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- (great wall) (void)
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- / Feynman
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- 101
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- Equivalence Principle
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- 1.75 http://www.th.physik.uni-frankfurt.de/~jr/physpictheo.html
A.S. Eddington 1882-1944
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- Friedmann equation: Conservation Equation: Equation of State p
= w
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- Thermodynamics with perfect fluid dU+pdV=TdS=0 d ( R 3 ) = -p d
R 3 Equation of State p = w (~ n/V); dR 3 +(1+w)dR 3 =0 d [R 3
(1+w) ]=0 An observer at v sees an isotropic, collisionless, fluid.
(c.f. 2-10, Weinberg) as a perfect fluid.
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- Thermodynamics with perfect fluid d [R 3 (1+w) ]=0 Radiation p
= (1/3) ~R -4 Matter p = 0 ~ R -3 Vacuum p = - = constant An
observer at v sees an isotropic, collisionless, fluid. (c.f. 2-10,
Weinberg) as a perfect fluid.
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