description Seasat Overview
help Seasat FAQ
When did NASA launch the Seasat satellite?
NASA launched Seasat on June 27, 1978. It was the very first Earth-orbiting satellite specifically dedicated to the remote sensing of the oceans.
How long did the Seasat satellite operate?
Seasat was planned to operate for a full year, but a massive short circuit in the satellite's electrical system ended the mission prematurely. It only operated for 105 days before failing entirely.
What pioneering technology did Seasat demonstrate?
Seasat was the first satellite to successfully carry and test a spaceborne Synthetic Aperture Radar (SAR) for Earth observation. This allowed the satellite to image the ocean surface and land features through clouds and during the night.
What specific ocean phenomena was Seasat designed to study?
Seasat's instruments were focused on measuring sea surface winds, temperatures, wave heights, and ocean topography. It also tracked sea ice, providing a comprehensive view of global ocean dynamics.
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