TOPEX/Poseidon
Videos
TOPEX/Poseidon was a joint satellite altimeter mission between NASA, the U.S. space agency; and CNES, the French space agency, to map ocean surface topography. Launched on August 10, 1992, it was the
Artist's rendering of the TOPEX/Poseidon satellite.
The accurate determination of the ocean height is made by first characterizing the precise height of the spacecraft above the center of the Earth.
The 1997-98 El Nino
Seasat
Videos
Seasat was the first Earth-orbiting satellite designed for remote sensing of the Earth's oceans and had on board one of the first spaceborne synthetic-aperture radar. The mission was designed to demon
TOPEX/Poseidon
…the French space agency, to map ocean surface topography. Launched on August 10, 1992, it was the first major oceanographic research satellite after Seasat. TOPEX/Poseidon helped revolutionize oceanography by providing data previously impossible to obtain. Oceanographer Walter Munk described TOPEX/Poseidon…
Seasat