surface is 92 times greater than that of Earth, and it has clouds which rain a toxic substance thought to be sulfuric acid; the atmosphere consists almost entirely of carbon dioxide, with very little oxygen, and the average surface temperature of Venus is 464 °C. In one of his books, Adamski described a trip he took to the far side of the Moon in a flying saucer, where he claimed to have seen cities, trees, and snow-capped mountains; he also claimed that the first photographs of the Moon's far side that were taken by the Soviet lunar probe Luna 3 in 1959, were altered to depict a barren, lifeless surface to hide what he saw. However, all scientific evidence, as well as later lunar trips by American astronauts, clearly showed that the entire surface of the Moon is barren of life and has no atmosphere. In his writings, Adamski claimed he travelled to Venus, Mars, and other planets in Earth's solar system, and clearly stated that they were all capable of supporting humanoid life. As UFO historian Jerome Clark noted, "some Adamski partisans insisted that Venus, Mars, Saturn, and the rest were merely code words for planets in other solar systems; there is, however, nothing in Adamski's public writings to support this interpretation and considerable testimony to the contrary." Adamski's 1955 book Inside the Space Ships, which describes his claimed travels through Earth's solar system in a UFO, is considered by some critics to be a "remake" of his 1949 science fiction novel, ghostwritten for Adamski by Lucy McGinnis, and entitled Pioneers of Space. It described a fictional voyage through the solar system that, critics noted, sounded very similar to the space travels described by Adamski in Inside the Space Ships. Adamski photographs and Moseley investigation Adamski's photographs of objects he claimed were UFOs have also come under scrutiny. His frequently published photograph from 1952, depicts an object which has been variously identified as the top of a chicken brooder or a streetlight. Adamski claimed that movie director Cecil B. DeMille's top trick photographer, J. Peverell Marley, had examined his UFO photos and found a "spaceman" in them, and Marley himself declared that if Adamski's pictures were fakes, they were the best he had ever seen. In the United Kingdom, 14 experts from the J. Arthur Rank company concluded that the object photographed was either real or a full-scale model.