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Artwork for Astrophysics: Frontiers and Controversies

Astrophysics: Frontiers and Controversies - Video

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

PublishesDailyEpisodes24Founded14 years ago
Category
Science

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Artwork for Astrophysics: Frontiers and Controversies

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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

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12 years ago

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

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12 years ago

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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12 years ago

Class begins with a review of the mysterious nature of dark matter, which accounts for three quarters of the universe. Different models of the universe are graphed. The nature, frequency, and duration of supernovae are then addressed. Professor Baily... more

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12 years ago

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Reviews

4.0 out of 5 stars from 312 ratings
  • Great Course

    Great course for scraping the surface of Astrophysics

    Apple Podcasts
    5
    H4rryP0tt3r
    United Kingdom2 years ago
  • Corso entusiasmante

    Prof bravo e chiaro, argomenti interessanti! more

    Apple Podcasts
    5
    Brumy74
    Italy6 years ago
  • Fascinating! Thank you!

    It's beautiful how easy you make it look! more

    Apple Podcasts
    5
    Astahly
    France7 years ago
  • Great course and teacher

    I enjoyed this course so much I'm watching it again after a few years. Professor Baylin did an amazing job.

    Apple Podcasts
    5
    MoebiusKing
    Italy7 years ago
  • Astrophysics for poets but with production problems

    On the whole, a thorough and well taught introduction for those with limited mathematics. Others have commented on content but a few words about production are in order. First, the professor uses an overhead projector which severely restricts the volume of information the student can see at any time compared to the (more normal) use of a blackboard. Second, while the professor patiently and fully answers questions from students in the classroom we, the listeners, cannot hear these questions ... more

    Apple Podcasts
    4
    Princeton55
    United States7 years ago

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