Image: Saint Helena Island
Size of this preview: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 1,440 × 1,080 pixels.
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Description: This astronaut photograph shows the island’s sharp peaks and deep ravines; the rugged topography results from erosion of the volcanic rocks that make up the island. The change in elevation from the coast to the interior creates a climate gradient. The higher, wetter centre is covered with green vegetation, whereas the lower coastal areas are drier and hotter, with little vegetation cover.
Title: Saint Helena Island
Credit: NASA Earth Observatory
Author: This image was taken by the NASA Expedition 19 crew.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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