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STS-32 astronauts took this 70mm scene showing phytoplankton oralgal bloom in the northwest Coral Sea. The Western Coral Sea and the Great Barrier Reef waters offshore Queensland, Australia are the sites of some of the larger concentrations or "blooms" of phytoplankton and algae in the open ocean. In the instance illustrated here, the leading edge of a probable concentration of algae or phytoplankton is seen as a light irregular line and sheen between the offshore Great Barrier Reef and the Queensland coast. Previous phytoplankton concentrations in this area have been reported by ships at sea as having formed floating mats as thick as two meters. This picture was used by the STS-32 astronauts at their Jan. 30, 1990 post-flight press conference.