Roughly 7 billion years ago, the expansion of the Universe began to accelerate. It continues to accelerate to this day. Why this is happening is one of nature's great mysteries and has significant implications for our Universe's future. The European Space Agency created the Euclid space telescope to address this question. Euclid was launched in July 2023 and will revolutionize our understanding by mapping the 'dark Universe'. In the talk, I will describe the Euclid mission, and its scientific aims, and present early results that showcase the stunning image quality of the telescope.

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About the speaker: Alex Hall

Alex is a Royal Society University Research Fellow and academic staff member at the Institute for Astronomy, University of Edinburgh. He obtained his PhD from the University of Cambridge in 2014 before moving to the Royal Observatory, Edinburgh. His research interests are in theoretical and observational cosmology, and he is one of the core science leads for the Euclid mission.