Flight 41G; 28.2N, 39.7E, 12:00:47 GMT, 7 Oct 1984
Internal waves may be forced into narrow seas, such as the Red Sea, traveling the length of the body of water before dissipating over the coastal shelf or amid islands. Thus, the oceanographer aboard the Challenger was keenly interested to observe and photograph internal waves moving north through the Red Sea. His notes, made in flight, indicated a double crest on each wave, but it is clear from this photograph that his eyes were better than the camera, the usual experience of astronauts.
The camera did catch, however, a reflecting internal wave pattern and the modification of the waves by the reefs along the Saudi Arabian coast.
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