Cover image of Astrophysics: Frontiers and Controversies - Video

Astrophysics: Frontiers and Controversies - Video

Astrophysics: Frontiers and Controversies - Video

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23 - Other Constraints: The Cosmic Microwave Background

23 - Other Constraints: The Cosmic Microwave Background

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

6 Dec 2011

47mins

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24 - The Multiverse and Theories of Everything

24 - The Multiverse and Theories of Everything

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

6 Dec 2011

46mins

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22 - Supernovae

22 - Supernovae

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

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21 - Dark Energy and the Accelerating Universe and the Big Rip

21 - Dark Energy and the Accelerating Universe and the Big Rip

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

6 Dec 2011

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20 - Dark Matter

20 - Dark Matter

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

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19 - Omega and the End of the Universe

19 - Omega and the End of the Universe

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

6 Dec 2011

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18 - Hubble's Law and the Big Bang (cont.)

18 - Hubble's Law and the Big Bang (cont.)

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

6 Dec 2011

50mins

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17 - Hubble's Law and the Big Bang (cont.)

17 - Hubble's Law and the Big Bang (cont.)

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

6 Dec 2011

51mins

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16 - Hubble's Law and the Big Bang

16 - Hubble's Law and the Big Bang

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

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15 - Supermassive Black Holes

15 - Supermassive Black Holes

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

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