Massachusetts Institute of Technology
Mit: Open Course Ware: Courses: Modern Navigation
College-level planetary science course highlighting modern navigation. Course introduces the concepts and applications of navigation techniques using celestial bodies and satellite positioning systems (GPS). Course features include...
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Time and date.com: The World Clock Time Zones
This website has a variety of time resources. You can find a major city and its time. If you click on that city it will give you lots of information.