George F.R. Ellis, On the Nature of Cosmology Today


Reader MardyS provided this link to an excellent lecture George F.R. Ellis, On the Nature of Cosmology Today (2012 Copernicus Center Lecture). It fills in some more about the history of the universe (multiverse) than I had previously understood.  If I watch enough of these videos, I’ll understand all of what we know about the universe today by the time I am 170.


There is the following introduction on the YouTube site.

Cosmology is today a precision science with masses of high quality data every increasing our understanding of the physical universe, but paradoxically theoretical cosmology is simultaneously increasingly proposing theories based on ever more hypothetical physics, or concepts that are untestable even in principle (such as the multiverse). We are also seeing ever more dogmatic claims about how scientific cosmology can solve philosophical problems that have been with us for millenia. This talk comments in these trends, carefully distinguishing what is and what is not testable in scientific cosmology, and relating this solid scientific background to some of the recent philosophical claims made about how scientific cosmology relates to issues of meaning.

The fourth Copernicus Center Lecture – “On the Nature of Cosmology Today” – was delivered by Professor George Ellis, a famous cosmologist, mathematician, philosopher of science as well as researcher of the relationship between science and religion, currently Emeritus Distinguished Professor of Complex Systems in the Department of Mathematics at the University of Cape Town in South Africa. The 2012 Copernicus Center Lecture was part of the 16th Kraków Methodological Conference – “The Causal Universe”, which was co-organized by the Copenicus Center for Interdisciplinary Studies.


The history of how Mardy came to provide this link originates from my posting on Facebook of the previous post Neil deGrasse Tyson on Science, Religion and the Universe | Moyers & Company.

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