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Space Shuttle astronauts photographed sand waves on the ocean floor around
the Bahamas.
NASA Photograph
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Sediment patterns are clearly evident in this Skylab view of Lake Michigan.
NASA Photograph
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The Sun highlights wave structures in this Skylab scene of Madeira Island
in the Atlantic Ocean off the coast of Africa.
NASA Photograph
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Skylab 3 view of the mouth of the Colorado River emptying into the Gulf
of California.
NASA Photograph
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Internal (subsurface) waves were photographed by the Skylab 4 crew south
of Kangaroo Island off the coast of Australia. Waves as long as 10 kilometers
(about 6 miles) were observed.
NASA Photograph
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Space Shuttle handheld view of the Acklins and Crooked Islands in the
Bahamas.
NASA Photograph
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SeaWiFS image of the Black Sea. The Sea-viewing Wide Field-of-view Sensor
(SeaWiFS) is carried on board the SeaStar spacecraft. Launched in August
1997, SeaWiFS was designed to measure ocean color, providing data on concentrations
of phytoplankton (tiny green plants living near the ocean surface), and
to study the relation of oceans and global change.
Image provided by the SeaWiFS Project, NASA/Goddard Space Flight Center
and Orbimage
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