Introduction to Astrophysics

Yale Course , Spring 2007 , Prof. Charles Bailyn

248 students enrolled


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 22: Supernovae

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        Lecture Details

        FrontiersControversies in Astrophysics (ASTR 160) Professor Bailyn offers a review of what is known so far about the expansion of the universe from observing galaxies, supernovae, and other celestial phenomena. The rate of the expansion of the universe is discussed along with the Big Rip theory and the balance of dark energy and dark matter in the universe over time. The point at which the universe shifts from accelerating to decelerating is examined. Worries related to the brightness of high redshift supernovae and the effects of gravitational lensing are explained. The lecture also describes current project designs for detecting supernovae at high or intermediate redshift, such as the Joint Dark Energy Mission (JDEM) and Large Synoptic Survey Telescope (LSST). 0000 - Chapter 1. From Acceleration to Deceleration of Universe Expansion 1020 - Chapter 2. The Balance between Dark Energy and Dark Matter 1859 - Chapter 3. Complications from Supernovae Brightness and Gravitational Lensing Effects 3733 - Chapter 4. The Joint Dark Energy Mission (JDEM) and Large Synoptic Survey Telescope (LSST) 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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