Lensing of space time around a black hole. At Oxford we study black holes observationally and theoretically on all size and time scales - it is some of our core work. Credit: ALAIN RIAZUELO, IAP/UPMC/CNRS. CLICK HERE TO VIEW MORE IMAGES. Miguel Pereira SantaellaVisitor Sub departmentAstrophysics miguel.pereira@physics.ox.ac.uk Telephone: 01865 (2)73304 About Publications