https://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- The collection of rocks that the Apollo astronauts brought back from the moon carried with it a riddle that has puzzled scientists since the early 1970s: What produced the magnetization found in many of those rocks? https://phys.org/news/2009-01-ancient-magnetic-field-moon-dynamo.html Space Exploration Thu, 15 Jan 2009 14:11:46 EST news151251106