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Cosmology with Galaxy Redshift Surveys

On 6 November 2014, the P.I. of Darklight, Luigi (Gigi) Guzzo, was at the ESO headquarters in Garching near Munich (Germany), to deliver the “Joint Astronomy Colloquium”, the official joint seminar of ESO and the two Max-Planck astrophysical institutes in Garching (MPA & MPE). He delivered a seminar on “Cosmology with Galaxy Redshift Surveys“, which is the central topic of his…

Voids in VIPERS

Cosmic voids, the largest component by volume of the cosmic web, are almost completely  empty regions of space, containing very few galaxies and very low densities of dark matter. By studying them and by studying the few galaxies which inhabit them we can learn about the nature of structure formation, and design experiments to test dark energy. We identified over two hundred of these voids…