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Geographic Information System (GIS) software uses the power of geography, spatial location to gather, analyze, and visualize vast amounts of information. See how this innovative technology can be used to investigate the fascinating lands of Asia.

Explanation of GPS and illustrated examples.

This NASA produced short film (3:30) describes the Global Positioning System. It is a great summary and can be used to augment the Galaxy Explorers Mission Plan on GPS.  

My World GIS™ is a Geographic Information System (GIS) designed specifically for use in educational settings.  My World allows learners to explore and analyze geographic data about our world. My World's intended audience is middle school through college geosciences and geography courses involving investigations of geographic data. My World is designed to meet the needs of students and teachers while keeping the constraints of educational settings in mind.  It combines the power of a full-featured GIS environment with the support and structure required by novice users in an educational environment.

"Researchers in Britain have gone as far as saying that GPS failures could lead to "loss of life". One known example of an airport and planes landing there being impacted by unintentional interference has already occurred in the US, the professor said."