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Cosmic Origins

Origin of the Universe: The Big Bang by Dr. Christopher Impey. The scientific story of creation begins 13.7 billion years ago in a circumstance of incredible temperature and density, when all matter and radiation was contained in a region smaller than an atom. The big bang is now a mature theory, with a web of observational evidence supporting it; and the size, shape and age of the universe have been measured with impressive accuracy. This talk will tell the story of how an iota of space-time turned into a vast cold universe of 100 billion galaxies.

Dr. Christopher D. Impey, Distinguished Professor, Astronomy/Steward Observatory, The University of Arizona.

Origin of the Universe: The Big Bang


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During this course, you'll have the opportunity to study the cosmos from the modern perspective - what we know and what we're not sure about.

Go to the Series Home or watch other lectures:

1. Cosmology: Making Sense of the Universe
2. Origin of the Universe: The Big Bang
3. Dark Matter, Dark Energy and Inflation: The Big Mysteries of Cosmology
4. Astronomical Alchemy: The Origin of the Elements
5. Origins of Black Holes: Gravity at Its Extreme
6. The Oldest Question: Is There Life Beyond Earth?