Radar images taken by the US Magellan (left) and Soviet Venera (right) spacecrafts of arachnoids in the Fortuna region of Venus. Rough areas appear bright, flat ones dark. Arachnoids are circular to ovoid features with concentric rings and a complex network of fractures extending outwards. The arachnoids seen here range in size from approximately 50 kilometres to 230 kilometres in diameter. Arachnoids are only found on Venus. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NASA / JPL |
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