Chaos at Cosmic Dawn: Where did the first stars and galaxies come from?

Guest Speaker

Thursday, 13th March 2025 (19:45 - 22:00)

Venue: Meeting Room

Powerful new telescopes like the James Webb Space Telescope (JWST) are allowing us to peer further back in cosmic time than ever before. We can now see back to the infancy of our Universe, when the very first stars and galaxies formed. All is not well at “Cosmic Dawn” however — from black holes that are too big, to intergalactic gas that’s too cold, to “little red dots”, I will take you on a tour of some of the puzzling observations that are overturning our understanding of the early years of the cosmos.

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Speaker: Phil Bull

Phil Bull is a cosmologist at the Jodrell Bank Centre for Astrophysics at the University of Manchester. Originally from Stoke-on-Trent, he worked and studied in Manchester, Oxford, Oslo, NASA's Jet Propulsion Lab, and the University of California Berkeley before returning to academic positions at Queen Mary University of London, and then his present position in Manchester. Phil's research covers theoretical and observational cosmology with radio and optical telescopes, particularly using very large galaxy surveys, and observations of the radio emission from neutral hydrogen across most of cosmic history.