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. Emma ElleyGraduate Student Sub departmentAstrophysics emma.elley@physics.ox.ac.uk About Probationer Research Student in Astrophysics Research interests Jets Particle Acceleration Active Galaxies