Article Abstract:
The Upper Atmospheric Research Satellite (UARS) was placed in orbit by the Discovery space shuttle in Sep 1991. UARS will study Earth's atmosphere, especially the ozone layer. Research should provide information needed to enact laws to improve earth conditions.
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Article Abstract:
Space shuttle "Discovery" returned from an eight-day mission in Jan 1992 which served as a preview of future space station operations. Aboard it was the International Microgravity Laboratory 1.
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Article Abstract:
The progress of space shuttle missions taking part in NASA's Mission to Planet Earth are examined. The maiden voyage of the space shuttle Endeavour and its accomplishents are also presented.
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