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Understanding the Origins of our Universe

Anastasios Avgoustidis
University of Nottingham

Our universe is a fascinating place, in which mysterious entities like dark matter and dark energy seem to be playing a fundamental role. Over the past couple of decades we have witnessed spectacular progress in understanding its composition and evolution, driven by both theoretical and technological advances. A seminal achievement was the capture of the first light emitted in the cosmos (the Cosmic Microwave Background), leading to an observational map of our universe from when it was less than 1/10000th of its current age. A remarkably consistent theoretical picture has emerged, which explains in detail how the primeval structures seen in this map evolved under the laws of Physics to produce galaxies and stars, in patterns just like those observed in our universe today. This talk will describe this spectacular story of our universe, explaining the key underlying ideas and the basic tools used in its reconstruction.

2018 December 17, 13:30

Centro de Astrofísica da Universidade do Porto (Auditorium)
Rua das Estrelas, 4150-762 Porto

Instituto de Astrofísica e Ciências do Espaço Universidade do Porto Faculdade de Ciências da Universidade de Lisboa
Fundação para a Ciência e a Tecnologia COMPETE 2020 PORTUGAL 2020 União Europeia