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Medley Theatre 104 Redmond Barry

May 2018

Testing cosmological foundations

May 1, 2018 @ 12:00 pm - 1:00 pm

The nature of dark energy is the biggest problem in cosmology. But the answer may not be very different to what most cosmologists assume. General relativity is not a complete theory. It leaves many important questions unanswered, including the nature of gravitational energy. This is directly relevant to an important observational fact: the Universe is a very inhomogeneous cosmic web on the small scales on which general relativity is actually tested. How one fits one geometry inside another to arrive…

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