Before Apollo astronauts set foot upon the moon, much remained unknown about the lunar surface. While most scientists believed the moon had a solid surface that would support astronauts and their landing craft, a few believed a deep layer of dust covered it that would swallow any visitors. Until 1964, no closeup photographs of the lunar surface existed, only those obtained by Earth-based telescopes. Before Apollo astronauts set foot upon the moon, much remained unknown about the lunar surface. While most scientists believed the moon had a solid surface that would support astronauts and their landing craft, a few believed a deep layer of dust covered it that would swallow any visitors. Until 1964, no closeup photographs of the lunar surface existed, only those obtained by Earth-based telescopes. Space Exploration Planetary Sciences Phys.org – latest science and technology news stories
60 years ago: Ranger 8 moon photos aid in Apollo site selection
