Professor James Geach

Five Photons explains what we know about the Universe through five different journeys of light across space and time. Have you ever wondered what is the most distant source of light we can see, or how a star shines? Did you know that black holes can blaze like cosmic beacons across intergalactic space, and that ancient radio waves might herald...

Galaxy tells the rich scientific story of the evolution and our observation of galaxies. Written by an active researcher in the field, Galaxy: Mapping the Cosmos tells the rich scientific story of galaxy evolution and observation - discoveries of 'spiral nebulae', the nature of galaxies, and the current 'World Model'. Astronomer James Geach takes us on a tour of what...