Burning Man from the sky.
From these images it is possible to identify how ‘Tent City’ arose in a semicircle around its central point. Every 11 days at 06:57 local time, TerraSAR-X was able to observe the festival from exactly the same viewing angle. To make this possible, the satellite orbits Earth at an altitude of 515 kilometres in a Sun-synchronous dusk/dawn orbit, causing it to cross the Equator at almost a right angle. Earth continues to rotate beneath it, meaning that the satellite is able to scan its entire surface every 11 days.
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