Satellite image taken by Advanced Synthetic Aperture Radar (ASAR) on Envisat - a European Earth Observation Satellite. The berg - in the right of the picture - is located to the east of South Georgia in the southern Atlantic Ocean. ASAR can see through clouds, and can distinguish different types of ice.
I never stop being amazed by the power of modern technology. I have always thought that space observations are first and foremost useful, like in this case, but I appreciate that it can be used for destructive purposes also.
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