Transcription: The Shuttle Imaging Radar Experiment was designed to explore the geological and archaeological history of the Earth's surface. The radar used microwave pulses to create detailed images of the planet's different surfaces. This project was able to provide researchers with clear pictures of otherwise unseen geographical features. One archaeological mystery is the Swedish island of Åland, which was heavily populated during the Middle Ages. The imaging radar equipment was used used to look for indications of ancient Nordic houses and roads thought to be hidden by a thin layer of earth. Other radar ...
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