What If the Earth Had Rings Like Saturn?...
(YouTube Link) This computer-generated animat... ...he world, day and night. In Scientific American, John Matson writes that Earth may have once had a ring system... ...appear, might not be all good news. Decades ago, John O'Keefe of the NASA Goddard Space Flight Center v...
https://www.neatorama.com/2009/12/16/what-if-the-earth-had-rings-like-saturn/
