The Man Who Sold the Moon Moses must have looked, when he gazed out over the promised land." The Man Who Sold the Moon is also the title of two collections of Heinlein's short stories. Both collections include "Let There Be Light", "The Roads Must Roll", and "Requiem"; the first also includes "Life-Line" and "Blowups Happen". Although the science fiction film "Destination Moon" is generally described as being based on Heinlein's novel "Rocket Ship Galileo", the story in fact bears a much closer resemblance to "The Man Who Sold the Moon". However, the technology of "The Man Who Sold the Moon" is very different: its rocket
History of the telescope Herschel finished building his largest reflecting telescope with a mirror of and a focal length of , (commonly known as his 40-foot telescope) at his new home, at Observatory House in Slough, England. To cut down on the light loss from the poor reflectivity of the speculum mirrors of that day, Herschel eliminated the small diagonal mirror from his design and tilted his primary mirror so he could view the formed image directly. This design has come to be called the Herschelian telescope. He discovered Saturn's sixth known moon, Enceladus, the first night he used it (August 28, 1789), and