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
Ghost craters on Mercury planet's surface. Mercury Dual Imaging System cameras and Mercury Laser Altimeter equipment on the messenger spacecraft allowed for researchers to obtain high-resolution images of the planet's surface for analyzing Mercury's tectonics. Ghost craters are impact craters that have been filled with volcanic deposits. Ghost craters can be observed on the surface of the Moon, Mars, Mercury, and may possibly exist on Venus. On Mercury, ghost craters are most commonly found in the northern hemisphere of the planet in the smooth plains. There are three types of ghost craters on Mercury. Type one ghost craters contains a wrinkle ridge that forms