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Introduction to Astrophysics

Yale,, Spring 2007 , Prof. Charles Bailyn

Updated On 02 Feb, 19

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

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Lecture 6: Microlensing, Astrometry and Other Methods

4.1 ( 11 )

Lecture Details

FrontiersControversies in Astrophysics (ASTR 160)

The class begins with a discussion on transits important astronomical events that help astronomers to find new planets. The event occurs when a celestial body moves across the face of the star it revolves around and blocks some of its light. By calculating the amount of light that is being obscured astronomers can obtain important information about both star and planet, such as size, density, radial velocity and more. The concept of planetary migration is explained in order to better understand the dramatic differences between bodies in the Inner and Outer Solar System. Finally, potential problems in the Solar System that may occur as a result of migration are addressed.

0000 - Chapter 1. Complexities and New Observations on Hot Jupiters
0738 - Chapter 2. Discovery of Planetary Transits
1953 - Chapter 3. Limits of Finding Planets Directly from Transits
2854 - Chapter 4. Metallicity and Planetary Migration
4332 - Chapter 5. Consequences and Limits of the Idea of Planetary Migration

Complete course materials are available at the Open Yale Courses website httpopen.yale.educourses

This course was recorded in Spring 2007.