The development that revolutionized map making and aided in the accurate charting of new lands during the Age of Exploration was cartographic projections, specifically the Mercator projection. The Mercator projection, introduced by Gerardus Mercator in 1569, allowed for a more accurate representation of the Earth’s surface on flat maps, which was particularly useful for navigation at sea.
While GPS technology and aerial photography are significant advancements in mapping that came much later, they were not available during the Age of Exploration.
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