description Solar Maximum Mission Overview
The Solar Maximum Mission was a NASA spacecraft launched in 1980 to investigate solar phenomena, specifically targeting solar flares during a period of peak solar activity. The observatory suffered an electronics failure shortly after launch, rendering several of its instruments inoperable. In a historic milestone for spaceflight, the satellite was successfully retrieved and repaired in orbit by Space Shuttle Challenger astronauts in April 1984. Following the repair, it continued to provide valuable data on the sun's corona and magnetic field.
help Solar Maximum Mission FAQ
How was the Solar Maximum Mission satellite repaired in space?
Space Shuttle Challenger astronauts aboard STS-41-C in April 1984 captured the Solar Maximum Mission satellite and replaced a failed attitude control system electronics box. Astronauts George Nelson and James van Hoften performed the retrieval and repair, making it the first satellite to be repaired on orbit by the Shuttle program.
What did the Solar Maximum Mission study?
The Solar Maximum Mission was launched by NASA in 1980 to study solar flares and other solar activity during a solar maximum period. It carried instruments including a coronagraph and X-ray and ultraviolet detectors to observe the Sun across multiple wavelengths.
When did the Solar Maximum Mission operate?
The satellite was launched on February 14, 1980, and after its 1984 in-orbit repair, it continued operating until it reentered Earth's atmosphere in December 1989. Its extended mission provided nearly a decade of solar observation data.
Why was the Solar Maximum Mission repair historically significant?
The 1984 repair demonstrated that the Space Shuttle could rendezvous with, capture, service, and redeploy a satellite in orbit, proving a capability later used for the Hubble Space Telescope servicing missions. It validated the concept of in-space satellite maintenance as a practical operations tool.
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