Overall Unit Outline (from Syllabus)

Unit 5: Other Galaxies and the Big Bang: The Magellanic Clouds. Leavitt-Pickering Period-Luminosity Relationship. Other Galaxies, The Big Bang. Dark Matter. Dark Energy.

Unit 5 Detailed Topic List

2020-05-01 to 2020-05-04: Review of Unit 4 material and Unit 4 Exam. Start Unit 5. Cepheid Variable Stars. Leavitt-Pickering Period-Luminosity Relationship. Magellanic Clouds. Pages from Textbook: Variable Stars and Pulsating Variables. Leavitt 1908 Paper: 1777 Variables in the Magellanic Clouds. Leavitt-Pickering 1912 Paper: Periods of 25 Variable Stars in the Small Magellanic Cloud.
2020-05-06: Hubble Discovers Cepheids in the Andromeda Galaxy and the Triangulum Galaxy. Slides: Cepheid Variable Stars: From Leavitt to Hubble. Textbook Pages: Galaxies. Hubble 1925 Paper: Cepheids in Spiral Nebulae.
2020-05-08: Slides: Discovery of the Big Bang: Hubble from 1925 to 1929. The Big Bang and Hubble's Law. Worksheet: Understanding Hubble's Law. Textbook Pages: Hubble's Law. Hubble 1929 Paper: Distance and Radial Velocity Among Extra-Galactic Nebulae.
2020-05-11: Video: The Doppler Effect. Textbook Pages: The Doppler Effect. Worksheet: Doppler Shift Examples. Slides: The Early Universe and the Cosmic Microwave Background. The Early Universe: Creation of protons and neutrons; Creation of Hydrogen, Helium, and Lithium nuclei; Formation of Atoms. Matter and Radiation Decouple. Red Shift Formulas. Extreme Red Shift, z. The Cosmic Microwave Background (CMB): Theory, 1948; Observation, 1964; Nobel Prize: 1978. Textbook Pages: The Cosmic Microwave Background.
2020-05-13: 21cm Line. Textbook Pages: Interstellar Gas. Mapping the Milky Way. Galactic Rotation Curve. Missing Mass. Dark Matter. Slides: Mapping the Galaxy, Missing Matter. Textbook Pages: The Mass of the Galaxy.
2020-05-15: Supernovae in Binary Stars. Textbook Pages: The Evolution of Binary Star Systems and Type Ia Supernovae. Review: Standard Candles and Hubble's Law. Type Ia Supernovae: The New Standard Candle. Dark Energy. 2011 Nobel Prize. Textbook Pages: What is the Universe Made Of? Slides: Type Ia Supernovae, and the High-Z Supernovae Search.
2020-05-18: Final Exam. Final Exam Solution.

The Last Lecture on 2020-05-18 was Recorded

Brian Hill, The Evidence for Dark Energy