Was the Big Bang the Beginning? Reimagining Time in a Cyclic Universe
A universe that continually expands has long been the dominant cosmological framework. But a universe that undergoes cycles of expansion and contraction, perhaps for all time, has recently been analyzed mathematically, and its proponents claim that it provides a more convincing cosmological paradigm. Join leaders of this renegade approach as they make the case for a new kind of cosmology that reimagines time.
The Big Ideas Series is supported in part by the John Templeton Foundation.
Participants:
Peter Galison
Anna Ijjas
Paul Steinhardt
Moderator:
Brian Greene
SHARE YOUR THOUGHTS on this program through a short survey:
00:00 - Introduction
04:08 - Brian Greene Welcome
07:20 - The human urge to understand origins
15:39 - Early issues of the big bang
27:10 - The flatness problem
35:15 - If not the big bang what else could have happened?
40:44 - Resolving the problems of cyclic cosmology
54:30 - cyclic cosmology simulation
1:05:40 - How reliable are the results?
1:17: 10 - Does expanding space eventually contract?
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#bigbang #cosmology #briangreene
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