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Underwater Hill

NASA/GSFC (Jeff Schmaltz); Link:

The water off the coast of the Bahamas shimmers in light blue since it is partly only less than ten metres deep. Therefore, it might be regarded as an extension of the islands below the surface of the water. Since the underwater hill of the Great Bahama Bank steeply descends as deep as 400 metres, this is marked in the satellite image by a strong colour change to dark blue. The white structures above the islands indicate convective clouds: The land areas of the islands force the moist air to rise and to condense in the cold air aloft.


Location: Bahamas, Middle America
Picture taken on February 12, 2009
Sensor: Aqua MODIS
Band combination: R/G/B