2018-02-16

Joseph Silk - The Biggest Questions in the Universe


source: GreshamCollege       2015年9月30日

47:35 The Primordial Fireball - Professor Joseph Silk
The Inaugural lecture by Professor Joseph Silk as the new Gresham Professor of Astronomy covers the fiery moments after the creation of the Big Bang: http://www.gresham.ac.uk/lectures-and... The universe underwent an inflationary period of expansion. From an extremely hot beginning, it cooled down then reheated to form the expanding universe that we observe today. The relic radiation generated the fossil glow of the cosmic microwave background radiation, a testament to its fiery origin. Microwave telescopes map out the structure of the universe long before the galaxies were present, only 370,000 years after Big Bang. The current challenges in cosmic microwave background astronomy will be described. The transcript and downloadable versions of the lecture are available from the Gresham College website: http://www.gresham.ac.uk/lectures-and... Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website. There are currently over 1,800 lectures free to access or download from the website. Website: http://www.gresham.ac.uk Twitter: http://twitter.com/GreshamCollege Facebook: https://www.facebook.com/greshamcollege
51:18 The First Stars - Professor Joseph Silk
46:58 Galactic Archaeology - Professor Joseph Silk
6:01 The Creation of the Chemical Elements - Professor Joseph Silk
3:25 Galactic Disruption - Professor Joseph Silk
3:11 A Fossil from the Big Bang - Professor Joseph SIlk
4:07 The Age of the Universe - Professor Joseph Silk
4:06 Galactic Collisions - Professor Joseph Silk
1:03:42 The Formation of our Galaxy - Professor Joseph Silk
10 53:43 How Common is Life in the Universe? - Professor Joseph Silk
11 53:40 The Dark Side of the Universe - Professor Joseph Silk
12 1:00:03 Black Holes - Professor Joseph Silk
13 54:06 The Expanding Universe - Professor Joseph Silk
14 57:18 The First Three Minutes of Creation - Professor Joseph Silk FRS
15 47:53 Should We Trust a Theory? - Professor Joseph Silk FRS
16 45:46 The Accelerating Universe - Professor Joseph Silk
17 53:04 Observing the Dark Ages - Professor Joseph Silk
18 55:02 How Were The Stars Formed? - Professor Joseph Silk
19 45:37 Are We Alone In The Universe? - Professor Joseph Silk
20 52:06 How Special is our Universe? - Professor Joseph Silk

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