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Black Holes, White Dwarfs and other Dead Stars -Part 1 Posted by: jas2754
Video duration: 552 seconds A description of the bizarre properties of stars at the end of their life, actually they are already dead as they no longer generate energy by Nuclear Fusion. These remnants: White Dwarfs, Neutron Stars, and Black Holes require quantum mechanics to fully describe their nature. Related: astronomy, astrophysics, black, degeneracy, education, holes, lecture, neutron, physics, pulsars, quantum, science, stars, white |
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Extreme Physics of Black Holes - Part 1 Posted by: jas2754
Video duration: 498 seconds This video goes into the physics associated with black holes. We know very little about what happens to mass and energy inside a black hole, but the boundary, called the event horizon between inside and outside is well defined as is the phenomena near that boundary. We investigate that here. Related: astronomy, astrophysics, black, degeneracy, education, holes, lecture, neutron, physics, pulsars, quantum, science, stars, white |
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The Life of the Sun - 13 billion years in 2 minutes Posted by: jas2754
Video duration: 266 seconds This video covers the life cycle of the Sun from Protostar Phase to White Dwarf. It includes an HR diagram so you can see where the Sun is relative to this Diagram as time passes, and what it will look like. The Sun is now in mid life glowing stably as a main sequence star fro another 4 billion years. Related: red, white, astronomy, astrophysics, dwarf, evolution, giant, lecture, nebula, physics, science, solar, star, sun |
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Global Warming Science - Part 1 Posted by: jas2754
Video duration: 586 seconds Covers the basic science behind Global Warming. This is a first of a series that sets up a foundation for critically understanding global warming. This lecture covers the initial heating of the Earth by the Sun, and understanding Black Body Radiation a key method for the start of the analysis Related: black, body, carbon, dioxide, effect, global, green, house, infrared, lectures, methane, physics, planetary, radiation, warming |
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Global Warming Science - Part 2- Greenhouse Effect Posted by: jas2754
Video duration: 495 seconds Covers the basic science behind Global Warming. This is second of a series that sets up a foundation for critically understanding global warming. This lecture covers the Greenhouse Effect. Related: astronomy, effect, gases, global, green, house, physics, warming |
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Black Holes, White Dwarfs, and other Dead Stars -Part 2 Posted by: jas2754
Video duration: 401 seconds Continuation of Part 1 A description of the bizarre properties of White Dwarfs, Neutron Stars, and Black Holes where quantum mechanics is needed to fully describe their nature. Related: astronomy, astrophysics, black, degeneracy, education, holes, lecture, neutron, physics, pulsars, quantum, science, stars, white |
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Global Warming - The Evidence and Role of Water and CO2 Posted by: jas2754
Video duration: 491 seconds Here is a set of viewgraphs that present the relationships between CO2 and Water with respect to Global Warming. The Video also contains charts that show historical information on Global Temperatures and CO2 levels. Related: al, carbon, dioxide, effect, global, gore, green, house, infrared, lectures, physics, radiation, warming, water |
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Evolution of Stars Part 1 Posted by: jas2754
Video duration: 411 seconds This video covers the life cycle of stars from Birth to Death.. a brown Drawf or a Black Hole. Related: astronomy, astrophysics, education, evolution, lecture, physics, science |
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Extreme Physics of Black Holes - Part 2 Posted by: jas2754
Video duration: 426 seconds This video goes into the physics associated with black holes. We know very little about what happens to mass and energy inside a black hole, but the boundary, called the event horizon between inside and outside is well defined as is the phenomena near that boundary. We investigate that here. Related: astronomy, astrophysics, education, lecture, physics, science |
![Formation of the Solar System, the \"demotion\" of Pluto](http://img.youtube.com/vi/eKBh3noUEmI/2.jpg "Formation of the Solar System, the \\"demotion\\" of Pluto") |
Formation of the Solar System, the "demotion" of Pluto Posted by: jas2754
Video duration: 445 seconds This video covers how the solar system formed and how the formation is governed by the conservation of angular momentum and the attractive force of gravity. Pluto once thought of as a planet is no longer considered a member of the original solar system Related: astronomy, physics, pluto, science, solar, system |
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An Overview of the Branches of Astronomy Posted by: jas2754
Video duration: 430 seconds Purpose of this video is to describe various branches of Astronomy, Cosmology, Astrophysics, Planetary Science, and Exo- Biology Related: astronomy, astrophysics, education, lecture, physics, science |
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Evolution of Stars Part 2 Posted by: jas2754
Video duration: 464 seconds This lecture covers basic concepts of Luminosity and Stellar Temperature, H-R diagrams, and then covers the Protostar formation process including a demonstration/ simulation Related: astronomy, astrophysics, education, evolution, lecture, physics, science |
![The End Won\](http://img.youtube.com/vi/P-ZBihCRzLc/2.jpg "The End Won\") |
The End Won't be Pretty - Part 1 Posted by: jas2754
Video duration: 285 seconds This Video covers the probability of occurence and effects of a large (~ 1 cubic mile) Asteroid or Comet hitting the Earth. This perhaps is one of the greatest threats to civilization. An impact even much smaller than this, can devastate a continent and kill Billions Related: asteroids, astronomy, comets, extinction, lectures, meteors, physics |
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Part 1 - Stellar Physics Posted by: jas2754
Video duration: 376 seconds This video covers the basic structure of stars and explains the nuclear and gravitational processes that maintain a remarkably stable equilibirium Related: astronomy, education, physics, science, unification |
![The End Won\](http://img.youtube.com/vi/RV5xyFEZUXU/2.jpg "The End Won\") |
The End Won't be Pretty- Part 2 Posted by: jas2754
Video duration: 395 seconds Follow on to part 1 Related: asteroids, astronomy, comets, extinction, lectures, meteors, physics |
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Physics- The science of simplification and unification Posted by: jas2754
Video duration: 481 seconds Here I give some examples of unification as a means to strive for the ultimate truth. While physicists know much today about the fundamental nature of matter and energy, there are still many unanswered questions, that perhaps can never be answered Related: astronomy, education, physics, science, unification |
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Part 2 - Stellar Physics Posted by: jas2754
Video duration: 392 seconds This is a continuation.In this video we focus on the generation of energy through the hydrogen Fusion Process Related: animation, astronomy, education, physics, science |
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Welcome to Class Posted by: jas2754
Video duration: 98 seconds A greeting to my Online Students Related: astronomy, science |
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An Overview of the Branches of Astronomy- Part 2 Posted by: jas2754
Video duration: 286 seconds This is a continuation Related: astronomy, astrophysics, cosmology, exobiology, planetology |
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Twinkle Twinkle Little Star.. How I wonder.... Posted by: jas2754
Video duration: 498 seconds In this lecture I cover why from here on Earth stars appear to twinkle yet planets don't. To explain we cover a number of important concepts. Related: astronomy, lecture, physics, science |
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All about Light Years Posted by: jas2754
Video duration: 501 seconds A simple little discussion relating astronomical distances to time. The unit usually used is the light year. Related: astronomy, lectures, physics, science |
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Vid#2 - Why are astronomical objects round? Posted by: jas2754
Video duration: 486 seconds In this video I discuss why astronomical objects such as stars and planets tend to be round, the role of gravity, and ask another leading question.. Why is it when we look in the night sky do stars twinkle yet the planets do not? Related: astronomy, lecture, science |
