Spelling from SPACE: Nasa expert reveals two year project to find the entire alphabet in satellite images (7)

'I': The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this image of the Andaman Islands. The thin, bright rings surrounding several of the islands are coral reefs that were lifted up by a massive earthquake near Sumatra in 2004 (pictured). Readers and colleagues of Voiland stepped up to the challenge and left no stone unturned