PANGU: A high resolution gamma-ray space telescope. Wuf, X; Chang, J; Walter, R; Su, M; Ambrosi, G; Böttcher, M; Chernyakova, M; Fan, Y; Farnier, C; Gargano, F; Hajdas, W; Mazziotta, M.N; Morselli, A; Pearce, M; Pohl, M; Von Ballmoos, P; Zdziarski, A. Proceedings of Science 2015