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This page contains live, video podcasts of Astronomy 209 (Introduction to Astronomy II - The Cosmos) lectures taught at the University of Calgary. AST209 is a comprehensive, descriptive overview of v... more
FAQs about ASTRONOMY 209 PODCAST:How many episodes does ASTRONOMY 209 PODCAST have?The podcast currently has 22 episodes available.
April 13, 2018ASTR209 - Final ReviewIn this, the final lecture of the semester, I attempt to review the main, salient points of the course. Whew! Quite a whirlwind!...more1h 3minPlay
April 10, 2018ASTR209 - Lecture 23In this, the LAST lecture of the semester, we discuss General Relativity and Black Holes....more56minPlay
April 05, 2018ASTR209 - Lecture 22In this lecture we discuss the final stages of the evolution of low and high mass stars. We also learn about Nova and Supernovae. Finally we talk about Neutron stars and begin a discussion on Black Holes...more1hPlay
April 03, 2018ASTR209 - Lecture 21In this lecture we discuss how a low mass star evolves off the main sequence when it runs out of hydrogen to fuse in its core. We follow its evolution from the Main Sequence to a Red Giant to a Supergiant to a Planetary Nebula to a White Dwarf....more1h 7minPlay
March 29, 2018ASTR209 - Lecture 20In this lecture we discuss the formation of planets and the discoveries of exoplanets around other stars....more54minPlay
March 27, 2018ASTR209 - Lecture 19In this lecture we continue to discuss the process of star formation from the fragmentation of a giant molecular cloud, to the collapse of the fragment and the formation of the protostar and disk. We also show where the protostar appears on the HR diagram, and how it evolves onto the main sequence....more1h 7minPlay
March 20, 2018ASTR209 - Lecture 18In this lecture we discuss the hydrogen spin flip transition that produces radiation at 21cm. We also describe the rich and complex molecular chemistry that exists in "molecular clouds", and how these clouds are intimately related to the formation of stars....more1h 14minPlay
March 15, 2018ASTR209 - Lecture 17In this class we discuss binary stars and how they are used to determine stellar mass. We then begin to discuss the Interstellar Medium....more1h 7minPlay
March 08, 2018ASTR209 - Lecture 15In this lecture we discuss the basic properties of stars and the stellar Classification system (OBAFGKM) as well as luminosity classes (I through V). We also investigate the the HR diagram and what it infers about stellar properties....more1h 13minPlay
March 06, 2018ASTR209 - Lecture 14The camera cut out again but we got 40 minutes of discussion on the properties of the Sun and the process of nuclear fusion....more42minPlay
FAQs about ASTRONOMY 209 PODCAST:How many episodes does ASTRONOMY 209 PODCAST have?The podcast currently has 22 episodes available.