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Abstract: In this article we review the discovery of the accelerating universe usingtype Ia supernovae. We then outline ways in which dark energy - component thatcauses the acceleration - is phenomenologically described. We finally describeprincipal cosmological techniques to measure large-scale properties of darkenergy. This chapter complements other articles in this book that describetheoretical understanding or lack thereof of the cause for the acceleratinguniverse.



Autor: Dragan Huterer University of Michigan

Fuente: https://arxiv.org/







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