Probing unexplored territories with MUSE: a second generation instrument for the VLT by Bacon, R, Bauer, S, Boehm, P, Boudon, D, Brau-Nogue, S, Caillier, P, Capoani, L, Carollo, C, Champavert, N, Contini, T, Daguise, E, Dalle, D, Delabre, B, Devriendt, J, Dreizler, S, Dubois, J, Dupieux, M, Dupin, J, Emsellem, E, Ferruit, P, Franx, M, Gallou, G, Gerssen, J, Guiderdoni, B, Hahn, T