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Types of Satellite Imagery: Optical vs Radar

Satellite imagery has become an essential tool in understanding the Earth’s surface, supporting applications ranging from environmental monitoring to disaster management. Among the most widely used types are optical imagery and radar imagery, particularly Synthetic Aperture Radar (SAR). Each offers…

Landsat: A Half-Century of Watching Earth from Space

Since its launch in 1972, the Landsat Program has played a critical role in transforming how humanity understands the Earth. As one of the longest-running Earth observation initiatives, Landsat provides continuous, reliable data that supports environmental monitoring, scientific research, and…

Navigation Satellites: How GPS Guides You

IntroductionNavigation satellites play a crucial role in modern life by enabling precise positioning and real-time navigation across the globe. These systems form the backbone of technologies used in transportation, logistics, mapping, and emergency response. At the core of this capability…