Letter from Thomas Gold, Chalet Cresta, Saas-Fee-Wildi, CH 3906, Switzerland, to Ray [no surname] Expressing shock at the treatment of an article on small planetary cores. Noting Dingle's 'usual rubbish' in the Herald Tribune. 'The Apollo astronauts are going to the moon again shortly to "find the evidence of young volcanic rocks..." I predict failure.' Invites his correspondent to visit 28 November 1972