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ASTRONOMY 209 PODCAST
by Rene Plume
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 various aspects of the universe outside the solar system covering topics such as: the history of astronomy, interstellar space, stars, galaxies, black holes, supernovae, and the origins of life and the universe. Course details can be found at the AST209 Course website.
Episodes
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ASTR209 - Final Review
In this, the final lecture of the semester, I attempt to review the main, salient points of the course. Whew! Quite a whirlwind!
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ASTR209 - Lecture 23
In this, the LAST lecture of the semester, we discuss General Relativity and Black Holes.
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ASTR209 - Lecture 22
In 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
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ASTR209 - Lecture 21
In 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.
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ASTR209 - Lecture 20
In this lecture we discuss the formation of planets and the discoveries of exoplanets around other stars.
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ASTR209 - Lecture 19
In 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.
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ASTR209 - Lecture 18
In 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.
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ASTR209 - Lecture 17
In this class we discuss binary stars and how they are used to determine stellar mass. We then begin to discuss the Interstellar Medium.
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ASTR209 - Lecture 15
In 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.
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ASTR209 - Lecture 14
The camera cut out again but we got 40 minutes of discussion on the properties of the Sun and the process of nuclear fusion.
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ASTR209 - Lecture 12
In this lecture (back from illness, reading week, and the midterm exam!) we talk about "seeing", different telescopes, why we go to high altitudes to build them, and why we build telescopes to operate at different wavelengths (i.e. what different physical phenomena in the Universe emit at…
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ASTR209 - Lectures 10 & 11
No podcasts of these lectures due to illness
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ASTR209 - Lecture 9
In this lectrure we discuss the varous "type" of light across the Electromagnetic spectrum (radio, IR, visible, etc.) and then also how solid objects produce light i.e. Black Body radiation. We investigate how the color and intensity of light changes with temperature, and then how to actually...
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ASTR209 - Lecture 8
In this lecture we explore the many uses of Newton's version of Kepler's law as a tool to determine the masses of objects in the Universe. We then move on to Part 2 of the class notes (the Electromagnetic spectrum) and talk about the particle and wave natures of light including concepts of...
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ASTR209 - Lecture 7
In this lecture we explore Newton's laws of motion and gravity and show how how he unifies terrestrial and celestial motion. We provide and use the equations for gravitational force, gravitational acceleration, and orbital velocity. We also discuss the difference between mass and weight.
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ASTR209 - Lecture 6
In this lecture we finish our discussion of Galileo's contribution to the Heliocentric model and begin to discuss motion in the Universe via a focus on Newton's three laws.
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ASTR209 - Lecture 5
In this lecture we begin to discuss the rise of the heliocentric model of the Universe/Solar System in the rennaissance. We describe the Copernican model, Tycho Brahe's observations, and Kepler's use of Brahe's data to create his 3 laws of Planetary motion. We also begin to describe Galileo's...
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ASTR209 - Lecture 4
In this lecture we discuss the geocentric model of Ptolemy, the heliocentric model of Aristarchus and how Hipparchus tested it using the concept of parallax. We also saw how to use observations of parallax to measure the distance to celestial objects.
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ASTR209 - Lecture 3b
In this lecture we continue to examine some ancient (and still true) observations about the Universe such as dailly, direct, and retrograde motions of the stars and planets, circumpolar stars, etc. This is part 2 of 2 separate recordings of this lecture since the video stopped recording…
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ASTR209 - Lecture 3a
In this lecture we continue to examine some ancient (and still true) observations about the Universe such as dailly, direct, and retrograde motions of the stars and planets, circumpolar stars, etc. This is part 1 of 2 separate recordings of this lecture since the video stopped recording…
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ASTR209 - Lecture 2
In this lecture (which cuts out in the last 15 minutes) we discuss some early observations of the Universe, the angular measurment scale, and the works of Pythagoras and Aristotle.
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ABOUT THIS SHOW
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 various aspects of the universe outside the solar system covering topics such as: the history of astronomy, interstellar space, stars, galaxies, black holes, supernovae, and the origins of life and the universe. Course details can be found at the AST209 Course website.
HOSTED BY
Rene Plume
CATEGORIES
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How many episodes does ASTRONOMY 209 PODCAST have?
ASTRONOMY 209 PODCAST currently has 22 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is ASTRONOMY 209 PODCAST about?
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 various aspects of the universe outside the solar system covering topics such as: the history of...
How often does ASTRONOMY 209 PODCAST release new episodes?
ASTRONOMY 209 PODCAST has 22 episodes. Check the episode list to see recent publication dates and frequency.
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Who hosts ASTRONOMY 209 PODCAST?
ASTRONOMY 209 PODCAST is created and hosted by Rene Plume.
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