At this Science at National Aeronautics and Space Administration site, you'll learn about the physics of sand movement and the research done to understand mechanisms of dune migration. The physics and the landforms are...
This website, from the University of Illinois, contains information about black holes. A brief history of black holes, a description of how black holes are formed, and the anatomy of a black hole are presented. ...
This reference discusses the evolution of nomenclature for sea ice, originally developed for polar travel, and how it is seen from a geophysical perspective, particularly ocean-ice-atmosphere interaction or remote...
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