SPACE: The spectroscopic all-sky cosmic explorer by Cimatti, A, Robberto, M, Baugh, C, Beckwith, S, Content, R, Daddi, E, De Lucia, G, Garilli, B, Guzzo, L, Kauffmann, G, Lehnert, M, MacCagni, D, Martínez-Sansigre, A, Pasian, F, Reid, I, Rosati, P, Salvaterra, R, Stiavelli, M, Wang, Y, Osorio, M, Balcells, M, Bersanelli, M, Bertoldi, F, Blaizot, J, Bottini, D