Goddard Space Flight Center Site Index
Solar Dynamics Observatory Gallery


A thermal vacuum chamber in the SDO fabrication area. When we visited, they were preparing to test the Attitude Control Electronics box B. ACE-B is the computer in charge of attitude; it has a sun locator and controls the thrusters, reaction wheels, valves, etc. The testing involved cycling back and forth through temperature extremes to simulate orbital conditions.

Time picture taken Wed Jun 27 14:55:50 2007
Location picture taken Various Working Areas
Goddard Space Flight Center
Greenbelt, MD
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