Hakim Atek (IAP, Paris): "The Primordial Universe as Seen by Euclid"

The Euclid space mission's primary goal is to advance our understanding of dark matter and dark energy by meticulously mapping nearly a third of the entire sky, enabling the identification and study of billions of galaxies to investigate cosmic shear and large-scale structures. With such vast datasets, Euclid supports an important legacy science spanning from nearby galaxies to the early universe. In this presentation, I will outline the key objectives of the primordial universe science working group (PUSWG), which focuses on characterizing the most massive galaxies and quasars during early epochs and their role in the cosmic reionization process. Additionally, I will discuss the initial scientific findings derived from early science observations (ERO) gathered during the performance-verification phase and which have been published in the latest ESA data release.

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