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C. Deep-space Climate Satellite Set to Monitor the Earth

Narrator: This is Science Today. For the first time, researchers will be able to study the Earth from a vantage point a million miles away in deep space. Francisco Valero, director of the Atmospheric Research Lab at the University of California's Scripps Institution of Oceanography, will lead this NASA-sponsored study, called the Triana mission.

Valero: Normally, we put satellites in orbit very close to the Earth. This image is usually not complete. Satellites cannot see the whole Earth. So, Triana goes far away enough. You can take a look at the sunlit side of the planet in one image.

Narrator: The Triana spacecraft and all instruments are built, tested and calibrated and ready to explore how the planet's climate works as an integrated system.

Valero: That is one of the main scientific objectives of Triana. We want to understand the radiative balance, the energy balance of the planet and relate that to the issues of global change and the issues of climate.

Narrator: Triana's launch date has not yet been announced. For Science Today, I'm Larissa Branin.