Justin I. Read

TL;DR: Euclid is a European Space Agency medium-class mission selected for launch in 2020 within the cosmic vision 2015-2025 program as discussed by the authors, which will explore the expansion history of the universe and the evolution of cosmic structures by measuring shapes and red-shift of galaxies as well as the distribution of clusters of galaxies over a large fraction of the sky.

TL;DR: This review is meant to provide a guide to the scientific themes that will underlie the activity of the group during the preparation of the Euclid mission and discusses five broad topics: dark energy and modified gravity, dark matter, initial conditions, basic assumptions and questions of methodology in the data analysis.

TL;DR: The Gaia-ESO Public Spectroscopic Survey has begun and will obtain high quality spectroscopy of some 100000 Milky Way stars, in the field and in open clusters, down to magnitude 19, systematically.

TL;DR: In this paper, a comparison of grid and smoothed particle hydrodynamics (SPH) techniques for interacting multiphase fluids is carried out, and it is shown that SPH introduces spurious pressure forces on particles in regions where there are steep density gradients.

TL;DR: In this paper, a comparison of grid and smoothed particle hydrodynamics (SPH) was carried out by investigating their performance in modelling interacting multiphase fluids, and it was shown that SPH introduces spurious pressure forces on particles in regions where there are steep density gradients.