ISP 205, Section 3, Spring 2004, Prof. Stein



Date Topic Reading Assignment
Monday, April 12 Milky Way - our galaxy Chapter 19 Discovery section 19.1 Morphology section 19.1,3 Dynamics section 19.4 Star-Gas-Star cycle section 19.2 Cosmos Assignment 1 due Wednesday, April 15 Expansion of the Universe Chapter 20 Galaxies - what are they section 20.1 Measuring cosmic distances section 20.3 Hubble's Law: V=HD section 20.3 Age of the Universe section 20.4 Cosmos Assignment 2 due Monday, April 19 Galaxy Evolution and Dark Matter Chapters 21,22 Galaxy Formation sections 21.2-3,22.5 Evidence for Dark Matter sections 22.1-4 Fate of the Universe, Dark Energy section 22.6 Cosmos Assignment 3 due Wednesday, April 21 Big Bang Chapter 23 History of the Universe sections 23.1-2 Primordial nucleosynthesis sections 23.2-3 Tests: section 23.3 Relic Radiation - Cosmic Microwave Background Relic Elements - H, D and He Problems with Big Bang Model section 23.4 Inflation section 23.4 Cosmos Assignment 4 due Monday, April 26 Quiz 3: (Warm-up for Exam 3) Chapters 16-23 Review Chapters 17-23 Cosmos Assignment 5 due Wednesday, April 28 Mid Term Exam #3 Chapters 16-23 Thursday, May 6 Final Exam Chapters 1-6, 8-11, 15-23, S3



  1. Sketch the Milky Way galaxy, including the halo, disk and nucleus. Label the location of the Sun, gas, dust, globular clusters, open clusters, young and old stars.
  2. Describe the Star-Gas-Star cycle and its role in the evolution of the Milky Way
  3. Describe and explain the differences between halo and disk stars
  4. Describe the nature of spiral arms in terms of stars and the inter-stellar medium. Explain its importance in terms of star formation.
  5. Describe how masses of galaxies are determined and the role of the rotation curve
  6. Explain the observations leading to the concepts of the expansion of the universe, the Hubble Constant, and the Big Bang Model.
  7. Explain how the distances to other galaxies are determined.
  8. Describe Hubble's Law and its implications for the expansion and age of the universe
  9. Describe the large-scale structure of the Universe.
  10. Explain how galaxies and clusters of galaxies evolve.
  11. Describe the evidence for Dark Matter
  12. Describe the role of dark matter in the formation and evolution of galaxies
  13. Explain what determines the fate of the universe
  14. Describe the sequence of events in the Big Bang Model of the evolution of the Universe, and the possible fates of the Universe.
  15. Describe the cosmic microwave background radiation and primordial nucleosynthesis tests of the Big Bang Model.
  16. Describe the problems of the Big Bang model and how inflation solves them.

Updated: 2004.04.08 (Thursday) 10:57:32 EDT

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