Introduction to Astrophysics

Yale Course , Spring 2007 , Prof. Charles Bailyn

197 students enrolled

Overview

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 17: Hubbles Law and the Big Bang (cont.)

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        Lecture Details

        FrontiersControversies in Astrophysics (ASTR 160) Class begins with a review of magnitudes and the problem set involving magnitude equations. Implications of the Hubble Law and Hubble Diagram are discussed. Professor Bailyn elaborates on the Big Bang theory of cosmology and addresses controversial questions related to the age, development, and boundaries of the universe. The fate of the universe, and possibly its end (known as the Big Crunch) are addressed. Imagining an expanding three-dimensional universe is proposed. The lecture ends with a question-and-answer session during which students inquire about a variety of topics related to cosmology, such as the center of the universe, its current expansion, and hypothetical collapse. 0000 - Chapter 1. Review of Magnitudes 0738 - Chapter 2. Implications of Hubbles Discoveries on the Aging Universe 2636 - Chapter 3. Conceptualizing a Three-Dimensional Universe 3422 - Chapter 4. Q&A The Big Bang, the Expansion, and the Big Crunch Complete course materials are available at the Open Yale Courses website httpopen.yale.educourses This course was recorded in Spring 2007.

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