SPACECRAFT, COATING AND METHOD
A spacecraft, for example a satellite, or a part thereof having a coating comprising a 2D material on an outer surface thereof is described. The 2D material comprises one or more elements, excluding C, N and S, in an amount of at least 50 at.%; and respective oxides of the one or more elements of the 2D material have a vapour pressure of at most 10 Pa at a temperature of 323 K.