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CAPE CANAVERAL, Fla. – At the Astrotech Space Operations facility in Titusville, Fla., NASA's Solar Dynamics Observatory, or SDO, is enclosed in one half of an Atlas V payload fairing. SDO is the first mission in NASA's Living With a Star Program and is designed to study the causes of solar variability and its impacts on Earth. The spacecraft's long-term measurements will give solar scientists in-depth information to help characterize the interior of the Sun, the Sun's magnetic field, the hot plasma of the solar corona, and the density of radiation that creates the ionosphere of the planets. …
