NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
Sredinnyy Khrebet volcanoes. Coloured three- dimensional computer map of the Sredinnyy Khrebet volcanoes in Kamchatka Peninsula, Russia. North is at top. The topography of the region was mapped by the Shuttle Radar Topography Mission (SRTM) on the Space Shuttle Endeavour, using reflected radar pulses. Colour-coding reveals elevation: green is lowest, rising through yellow, red and pink to white, the highest. The Sredinnyy Khrebet range dominates the region. Volcanic lava has smoothed the rugged terrain around the highest peaks (white, lower centre). SRTM is run by NASA, the USA's National Imagery and Mapping Agency (NIMA), and the German and Italian space agencies.
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