Introduction to Astrophysics

Yale,, Spring 2007 , Prof. Charles Bailyn


Planetary Orbits - Our Solar System and the Pluto Problem - Discovering Exoplanets: Hot Jupiters - Planetary Transits - Microlensing, Astrometry and Other Methods - Direct Imaging of Exoplanets - Introduction to Black Holes - Special and General Relativity - Tests of Relativity - Special and General Relativity - Stellar Mass Black Holes - Pulsars - Supermassive Black Holes - Hubbles Law and the Big Bang - Omega and the End of the Universe - Dark Matter - Dark Energy and the Accelerating Universe and the Big Rip - Supernovae - Other Constraints: The Cosmic Microwave Background - The Multiverse and Theories of Everything


Lecture 16: Hubbles Law and the Big Bang

4.1 ( 11 )

Lecture Details

FrontiersControversies in Astrophysics (ASTR 160) The third and final part of the course begins, consisting of a series of lectures on cosmology. A brief history of how cosmology developed into a scientific subject is offered. The discovery of dark energy, along with dark matter, played a crucial role in the development of cosmology. The lecture then discusses the discovery of spiral nebulae in 1920, as well as the "Great Debate" over what they were. Hubbles famous redshift diagram is presented as the basis for Hubbles Constant and Big Bang cosmology. The difficulty of measuring distance of objects in space, and how to do it using the parallax method and the standard candle method, are discussed. Measure brightness using the magnitude scale is explained. Class ends with a review of logarithms. 0000 - Chapter 1. Introduction to Cosmology 0334 - Chapter 2. Spiral Nebulae and Hubbles Redshift Diagram 1735 - Chapter 3. Measuring the Distance of a Star The Parallax Method 2513 - Chapter 4. Measuring Brightness The Standard Candle Method 3806 - Chapter 5. Absolute and Apparent Magnitude 4804 - Chapter 6. Conclusion Complete course materials are available at the Open Yale Courses website httpopen.yale.educourses This course was recorded in Spring 2007.



2 Ratings
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Excellent course helped me understand topic that i couldn't while attendinfg my college.

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Great course. Thank you very much.