![]() Upon radio command, these booms could be independently extended or retracted along three axes to various limits out to 45.75 m. A total of 10 knobbed booms were carried on board. The satellite body was 2.41 m long and 1.22 m in diameter. The satellite was in the form of an octagonal aluminum shell with a truncated pyramid at the top and a 25.4 cm-diameter cylindrical mast extending 1.57 m from the satellite base. Secondary objectives included obtaining measurements of the earth's magnetic field at near-synchronous altitudes and black-and-white and color TV photography of the entire earth disk. The DODGE (Department of Defense Gravity Experiment) satellite was orbited primarily to study a number of advanced biaxial and triaxial gravity-gradient stabilization techniques at near-synchronous altitudes. The spacecraft's primary function however was to experiment with gravity gradient stabilization for high orbits near GEO. Once complete, you'll be able to add your own modules and buildings to the Orbital Ring.I'd never heard of DODGE until I saw it mentioned this answer as the source of the first full color "full Earth" image.
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