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“About – The Importance of Time to - Navigation, Communications & Space Exploration”. Is a Power Point presentation setting out the importance of time relative to all these functions. Includes how ships Captains and explorers calculated their position on land and sea before GMT and how the accuracy of clocks set at GMT made it easier to confirm their position on Earth and in Space based on time, distance and direction travelled. Also emphasizes the importance of knowing local time when communicating with people in different countries. Includes slide notes and suggested student activities