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KENNEDY SPACE CENTER, FLA. - At Astrotech Space Operations in Titusville, Fla., engineers install a solar array to one of the two STEREO spacecraft. The dish in front is a high gain antenna. Under black protective wrap at right is the Heliospheric Imager instrument, part of the Sun Earth Connection Coronal and Heliospheric Investigation (SECCHI) package of four instruments that will study the 3-D evolution of coronal mass ejections, from birth at the Sun's surface through the corona and interplanetary medium to its eventual impact at Earth. The long silver cylinder in the front, at right of…
