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Satellites are playing an increasingly important role in our everyday lives. Managing today's data streams would be impossible without the helpers in orbit, who ensure that people are supplied with more and more information. Thanks to sensor and camera technology, radar beams and optical measuring methods, satellites now provide a comprehensive picture of the earth. Around 200 years after Alexander von Humboldt's voyages of discovery, radar satellites and drones have taken over the job of researchers and explorers. 📺 More documentaries & reports http://bit.ly/WELTdokus 🔔 Subscribe to the WELT YouTube Channel http://bit.ly/WeltVideoTVabo #Earth #Satellites #Documentary