International Solar-Terrestrial Physics (ISTP)
A set of missions to investigate the Sun-Earth space environment, to be carried out during the 1990s and into the next century.
www-istp.gsfc.nasa.gov
Ultraviolet Imager (UVI)
A camera in Earth orbit which conducts observations of the polar aurora in the far ultraviolet wavelengths and helps quantify the overall effects of solar energy input to the Earth's polar regions.
uvi.nsstc.nasa.gov
Wind
The main purpose of the spacecraft is to measure the incoming solar wind, magnetic fields, and particles.
www-spof.gsfc.nasa.gov/istp/wind
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