ELT-1to4-Fall 2016 - Earth Life and Time Dr Michael R...

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Earth, Life and Time Dr. Michael R. Rampino Lecture #1 Cosmic Setting of the Earth September 6, 2016
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Earth, Life and Time could have been called “Astrobiology” concerned with: The Origin, Evolution, Distribution and Future of Life in the Universe. Astrobiology is a combination of all the sciences—primarily Astronomy, Geology, Biology and the Evolution of Life
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A large part of Astrobiology is geared toward the question, “Is life a common occurrence in the Universe, or is it very rare, perhaps unique to Earth?” So we will look at the structure and history of the Universe leading up to the Earth’s formation, and the origin of life on our planet. We will then trace the geologic history of Earth and the evolution of life from simple bacteria to intelligent species. Ultimately, we will explore the possibility of life elsewhere in the Universe.
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Earth: The only known inhabited planet .
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THE GEOCENTRIC UNIVERSE OF ARISTOTLE
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GEOCENTRIC UNIVERSE
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PLANETARY ORBITS AND EPICYCLES FOR AN EARTH- CENTERED SYSTEM
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NICHOLAUS COPERNICUS (1473-1543)
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ON THE REVOLUTION OF THE CELESTIAL SPHERES-1543
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GALILEO (1554-1642) OBSERVATIONAL EVIDENCE FOR HELIOCENTRIC UNIVERSE
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DISCOVERY OF THE GALILEAN MOONS OF JUPITER
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DISCOVERY THAT VENUS HAS PHASES LIKE THE MOON
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The Sun is our closest star.
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Some bright nearby stars .
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  • Spring '16
  • Dr. Michael R. Rampino

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