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STEADY STATE UNIVERSE

STEADY STATE UNIVERSE. by Eric Karlan. The Basics. Who: Hermann Bondi, Thomas Gold, and Sir Fred Hoyle When: 1948 Where: Earth What: Proposed the Steady State Theory Why: An alternative theory to the Big Bang. The Theory.

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STEADY STATE UNIVERSE

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  1. STEADY STATE UNIVERSE • by Eric Karlan

  2. The Basics • Who: Hermann Bondi, Thomas Gold, and Sir Fred Hoyle • When: 1948 • Where: Earth • What: Proposed the Steady State Theory • Why: An alternative theory to the Big Bang

  3. The Theory • The universe is always the same, all the time, always static, always contracting or expanding.

  4. THE LOGIC • Based on theoretical mathematical calculations • No sudden beginning to universe • Decrease in density caused by expansion balanced by continuous creation of matter condensing into galaxies • Maintain forever present appearance of the universe

  5. The Workings • Reservoir of energy is negative: Expansion and creation work against each other • Small number of atoms needed annually to maintain steady state

  6. The Contributions • Explains hydrogen and helium abundance in the universe • Contributes to Wheeler-Feynman Theory

  7. The Refutation • Distribution of Radio Sources • 1966: Discovery of Quasars • Cosmic Background Radiation

  8. X The Meaning • Radio galaxies and quasars occur only at very large distances • Implies red-shift • Thus, evolution of universe

  9. The Conclusion • The Big Bang Model prevails present day • Steady State theory helped to prove Big Bang through its testability

  10. The Works Cited • The Steady State Universe. Accessed 25 March, 2006. http://www.schoolsobservatory.org.uk/study/sci/cosmo/internal/steady.htm • “Steady State Universe.” Wikipedia. 11 March, 2004. Accessed 25 March, 2006. http://en.wikipedia.org/wiki/Steady_state_universe

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