Astrophysics: Frontiers and Controversies - Audio

This lecture introduces an important concept related to the past and future of the universe: the Scale factor, which is ... Read more

Professor Bailyn begins the class with a discussion of a recent New York Times article about the discovery of a new, ear... Read more

Reasons for the expansion of the universe are addressed at the start of this lecture, focusing especially on the acceler... Read more

Professor Bailyn offers a review of what is known so far about the expansion of the universe from observing galaxies, su... Read more

Class begins with a review of the mysterious nature of dark matter, which accounts for three quarters of the universe. D... Read more

Class begins with a review of the issues previously addressed about the origin and fate of the universe. The role of gra... Read more

Class begins with a review of magnitudes and the problem set involving magnitude equations. Implications of the Hubble L... Read more

Professor Bailyn returns to the subject of the expansion of the universe to offer explanations that do not require belie... Read more

The third and final part of the course begins, consisting of a series of lectures on cosmology. A brief history of how c... Read more

The lecture begins with a question-and-answer session about black holes. Topics include the extent to which we are sure ... Read more