Dinoflagellate Ceratium furca (Photo : Sophie Marro)
Amphipode crustacean (Photo : Fabien Lombard)
Diatom genus Chaetoceros(Photo : Sophie Marro)
Deployment of a profiling float (Photo : Jean-JacquesPangrazi)
Phytoplankton bloom observed by the ocean color sensor MODIS onboard NASA satellite Terra in May 2010. The bloom spreads broadly in the North Atlantic from Iceland to the Bay of Biscay - Source : NASA's Earth Observatory (http:/earthobservatory.nasa.gov)
Ocean color satellites travel around the Earth at an altitude of about 700 to 800 km.