Astrophysics: Frontiers and Controversies - Audio
Charles Bailyn(ASTR 160) This course focuses on three particularly interesting areas of astronomy that are advancing very rapidly: Extra-Solar Planets, Black Holes, and Dark Energy. Particular attention is paid to current projects that promise to improve our understanding significantly over the next few years. The course explores not just what is known, but what is currently not known, and how astronomers are g... more
| Publishes | Daily | Episodes | 24 | Founded | 15 years ago |
|---|---|---|---|---|---|
| Category | Science | ||||
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This lecture introduces an important concept related to the past and future of the universe: the Scale factor, which is a function of time. With reference to a graph whose coordinates are the Scale factor and time, the problem of dark matter is addre... more
Professor Bailyn begins the class with a discussion of a recent New York Times article about the discovery of a new, earth-like planet. He then discusses concepts such as epicycles, dark energy and dark matter; imaginary ideas invented to explain 96%... more
Reasons for the expansion of the universe are addressed at the start of this lecture, focusing especially on the acceleration of dark energy. Supernovae were the first evidence for the existence of dark energy. Two other proofs are presented. The fir... more
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 ... more
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Reviews
- A fantastic course
Really enjoyed it: an incredible resource—especially considering it is free! Thank you.
Apple Podcasts5Pete F UK
United Kingdom4 years ago - a good, but slow start
a nice introduction to Astronomy, but unfortunately, like so many of these online university lectures, you will have to skip past a large amout of unnecessary information vital for the students sitting in the actual lecture but worthless for us listening.
Skip at least 17 minutes of the first lecture
Apple Podcasts4BaronLex
United States8 years ago - Good Lecturer and interesting class...
I have to start this saying that I am Math-phobic, yet Prof. Bailyn makes some VERY complicated math approachable... but it IS astrophysics so it's still complicated... It helps immensely that I am not worried about taking the midterm or the final.
He is a good lecturer and is animated and funny. Certainly entertaining enough to enjoy just listening to him. However, if you are trying to grasp the math at all, I suggest using the video version of this, although, even with the video you occasion... more
Apple Podcasts5RedheadedCycloneUnited States15 years ago - Astronomie.
A 72 ans je ne vais pas apprendre l'anglais!!!!!!!!! Alors une traduction française serait l'a bienvenue dans la majorité des cas.i.pad est un cadeau et pas un objet que l'on regarde,surtout dans un placard........
Apple Podcasts4Traduction
France15 years ago - Great
Great
Apple Podcasts5SpaceshowoneUnited States15 years ago
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Apple Podcasts | #182 |  Belgium/Science |
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this podcast launched 15 years ago and published 24 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.
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