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Progress in Cosmology: Rumours and Reality

By wescley - Posted on 10 abril 2012

Thanu Padmanabhan
Qui, 09/10/2008
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Observational evidence which had accumulated over the last one decade or so has led to a concordance model of cosmology. In this model, nearly 95 per cent of energy density driving the expansion of the universe is in an unfamiliar form with nearly 70 per cent of the energy density resembling that of a fluid that exerts negative pressure. I will briefly review the evidence for the concordance model and discuss critically the open issues and unresolved puzzles.