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GALEX
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== Spacecraft == The spacecraft was [[Spacecraft attitude control|three-axis stabilized]], with power coming from four fixed [[solar panel]]s. The [[satellite bus]] is from [[Orbital Sciences Corporation]] based on [[GeoEye|OrbView 4]]. The telescope was a {{cvt|50|cm}} [[Ritchey–Chrétien telescope|Modified Ritchey–Chrétien]] with a rotating [[grism]]. GALEX used the first ever UV light dichroic beam-splitter flown in space to direct [[photon]]s to the [[Ultraviolet|Near UV]] (175–280 nanometers) and Far UV (135–174 nanometers) [[microchannel plate detector]]s. Each of the two detectors has a {{cvt|65|mm}} diameter. The target orbit is {{cvt|670|km}} circular and [[Orbital inclination|inclined]] at 29.00° to the [[equator]].
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