Letter from Thomas Gold to Dr H Volk, Max-Planck-Institut fur Kernphysik, Postfach 103 980, 6900 Heidelberg, West Germany Concerning the capture of solar gas by Venus, and the arguments about the lunar solar wind record. States he expects to be in Europe, mainly in Copenhagen, from January to July next year, and hopes to have a chance to see him again then. 30 May 1979