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- Dec. 1999: Measuring waves... with waves.
- Nov. 1999: Eddies: two sides to the story.
- Oct. 1999: Mediterranean tides are more than meets the eye.
- Sep. 1999: Mare nostrum, Mare incognita ?.
- Aug. 1999: Great Lakes as seen by Topex/Poseidon.
- Jul. 1999: Aral Sea could be rising from the dust.
- Jun. 1999: An eddy blown by the wind.
- May 1999: A turbulent sea.
- Apr. 1999: Jason-1 put to the test.
- Mar 1999: Observing the ocean to improve forecasting.
- Feb. 1999: Route du Rhum 1998.
- Jan. 1999: A glassy sea... of ridges and valleys.
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Jason-1 put to the test
Image of the month - April 1999
- Full-scale mock-up of Jason-1 subjected to thermal vacuum tests (Credits Alcatel Space Industries)
- Jason-1 (Credits Cnes)
Big changes in temperature, high-energy radiation and micrometeorites are just some of the factors that make space such a very harsh environment. That is why satellites go through a whole series of tests before launch to make sure they will withstand the rigors of space.
Jason-1, the follow-on to Topex/Poseidon developed jointly by the French space agency Cnes and Nasa, is currently undergoing environmental tests on its hardware and onboard software. Tests are going smoothly and Jason-1 is right on schedule for its planned launch date on 18 May 2000.