Introduction to Astrophysics

Yale Course , Spring 2007 , Prof. Charles Bailyn

258 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 13: Stellar Mass Black Holes (cont.)

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        Lecture Details

        FrontiersControversies in Astrophysics (ASTR 160) Class begins with clarification of equations from the previous lecture. Four post-Newtonian gravitational effects are introduced and discussed in detail. The first of these is the so-called Perihelion Precession, which occurs when the major axis of a planets elliptical orbit precesses within its orbital plane, in response to changing gravitational forces exerted by other planets. Secondly, deflection of light is described as the curving of light as it passes near a large mass. Gravitational redshift is explained as a frequency effect that occurs as light moves away from a massive body such as a star or black hole. Finally, the existence and effects of gravitational waves are discussed. The lecture closes with a brief history of the 1919 eclipse expedition that made Einstein famous. 0000 - Chapter 1. Defining Black Holes in Terms of the Schwarzschild Radius 1544 - Chapter 2. Perihelions and Deflection of Light 2244 - Chapter 3. Hunting Eclipses 3131 - Chapter 4. Gravitational Redshift 4514 - Chapter 5. Gravitational Waves 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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