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NASA's savory sea salt sensor to get cooked, chilled

Date:
November 28, 2010
Source:
NASA/Jet Propulsion Laboratory
Summary:
A team of scientists from NASA's Jet Propulsion Laboratory, Pasadena, Calif., and the Goddard Space Flight Center in Greenbelt, Md., is flying down to Brazil to "cook" a salty NASA instrument that's sure to spice up studies of Earth's climate after its launch late next spring.

The joint U.S. and Argentine Aquarius/SAC-D spacecraft is prepped for thermal vacuum chamber tests at Brazil's National Institute for Space Research.
Credit: NASA/JPL-Caltech

While most Americans are traveling to family gatherings this week for Thanksgiving, a team of scientists from NASA's Jet Propulsion Laboratory, Pasadena, Calif., and the Goddard Space Flight Center in Greenbelt, Md., is flying down to Brazil to "cook" a salty NASA instrument that's sure to spice up studies of Earth's climate after its launch late next spring.

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NASA's Aquarius instrument and the Argentinian spacecraft that will carry it into space, the Satelite de Aplicaciones Cientificas (SAC-D), were moved into a thermal vacuum chamber at Brazil's National Institute for Space Research (Laboratório de Integração e Testes -- Instituto Nacional de Pesquisas Espaciais, or LIT-INPE) in Sáo José dos Campos on Nov. 15, in preparation for a series of environmental tests. The thermal vacuum tests will confirm the integrity of the spacecraft's electrical connections and will subject the instruments and spacecraft to the extreme hot, cold and airless environment they will encounter once in orbit.

Aquarius/SAC-D is an international mission involving NASA and Argentina's space agency, Comisión Nacional de Actividades Espaciales. Aquarius, the JPL-built primary instrument on the mission, is designed to provide monthly global maps of how the concentration of dissolved salt (known as salinity) varies on the ocean surface. Salinity is a key tracer for understanding the ocean's role in Earth's water cycle and tracking and understanding ocean circulation.

By measuring ocean salinity from space, Aquarius will provide new insights into how the massive natural interplay of freshwater moving among the ocean, atmosphere and sea ice influences Earth's ocean circulation, weather and climate.

The minimum three-year mission is scheduled to launch in late spring of 2011 from Vandenberg Air Force Base, Calif.

For more information on Aquarius, visit: http://www.aquarius.nasa.gov .


Story Source:

The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Jet Propulsion Laboratory. "NASA's savory sea salt sensor to get cooked, chilled." ScienceDaily. ScienceDaily, 28 November 2010. <www.sciencedaily.com/releases/2010/11/101123111111.htm>.
NASA/Jet Propulsion Laboratory. (2010, November 28). NASA's savory sea salt sensor to get cooked, chilled. ScienceDaily. Retrieved October 31, 2014 from www.sciencedaily.com/releases/2010/11/101123111111.htm
NASA/Jet Propulsion Laboratory. "NASA's savory sea salt sensor to get cooked, chilled." ScienceDaily. www.sciencedaily.com/releases/2010/11/101123111111.htm (accessed October 31, 2014).

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