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LIFE IN THE UNIVERSE



  • Summary of previous class

    *****************
  • Today's Lecture

  • This is NOT about magic, UFOs, or alien abduction....but a rigorous scientific approach

  • Why search for it?

  • Life on Earth

  • Building blocks of Life

  • Finding organic molecules

  • The Miller-Urey experiment

  • Apparatus

  • Life in the Solar System?

  • Early missions

  • Viking Lander 1

  • Meteorities on Earth

  • AHL 84001

    ************************ LIFE ON OTHER PLANETS ***********
  • Life Elsewhere

  • What about other systems?

  • The Drake equation

  • Here is the equation

  • Utility of Drake equation

  • Factor 1: Star formation rate

  • Factor 2: Fraction with planets

  • How do you detect a planet?

  • Factor 3: Fraction of planets suitable

  • Factor 4: Fraction with life

  • Factor 5: Fraction with Intelligent life - Is intelligence inevitable?

  • Factor 6: Fraction where Civilization can arise - Does an intelligent specie always develop technology?

  • Factor 7: Lifetime of Civilization - How long will we live?

  • The result

    ************** COMMUNICATING WITH OTHER CIVILIZATIONS ******
  • Communication

  • Way to communicate

  • 1. Message in a bottle

  • 2. Sending a message

  • 3. Receiving a message

  • SETI

  • The Future

    ****************** FINAL REMARKS **********************
  • Interstellar travel

  • Why bother?

  • Deep questions

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  • Next Class: Review for the finals