Are we sure that the universe is homogeneous and isotropic?
Geraint Lewis is a professor of Astrophysics and Cosmology. In this podcast, we discuss the expanding universe, the types of redshift, special and general relativity, the FLRW metric, Dark Energy, the Timescape model, the Future of Cosmology, and much more...
This podcast was initially based on the two articles Geraint has (co-)authored:
Expanding Space: the Root of all Evil?https://www.cambridge.org/core/servic...
On The Relativity of Redshifts: Does Space Really “Expand”?
https://arxiv.org/pdf/1605.08634
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#physics #darkenergy #spacetime #timescape #universe #hubble #cosmology