Previous Missions
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Solar Maximum Mission Spacecraft
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The Solar Maximum Mission
spacecraft in the Shuttle bay |
In May 1984 the Solar Maximum Mission (SMM) spacecraft was recovered and repaired in space. SMM flew for another five years.
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SMM Spacecraft
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The Solar Maximum Mission
(SMM) Spacecraft |
This is a photograph of the Solar Max spacecraft in flight in space.
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Upper Atmosphere Research Satellite
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| Artist's rendition of the Upper Atmosphere Research Satellite |
This is an artist's rendition of the Upper Atmosphere Research Satellite (UARS). UARS was launched by the Shuttle in September 1991. It is still flying and gathering data. The Solar-Stellar Pointing Platform (SSPP)which contains ACRIM II and two other solar instruments (SOLSTICE and SUSIM) is the box just below the parabolic antenna. The SSPP points at the sun during the sun-lit portion of the orbit and it points at stars for SOLSTICE spectral measurements during the dark side of the orbit. UARS weighs approximately 10,000 pounds.
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