Abstract
In June 1989 three particle astrophysics investigations were selected for the Astromag superconducting magnet facility to be flown as a U.S.-Italy project on Space Station Freedom in the late 1990s. The science goals include investigating the origin and evolution of matter in the galaxy by direct sampling of galactic material; examining cosmological models by searching for antimatter and evidence of the nature of dark matter; and studying the origin of extremely energetic particles and their effects on the dynamics and evolution of the galaxy. By augmenting Astromag's strong magnetic field with a variety of specialized detectors, state-of-the-art spectometers will be employed to address the experimental objectives. Measurements of high energy cosmic ray nuclei and electrons will be made with precision and sensitivity 10–1000 times that of previous experiments. The Space Station is an ideal spacecraft for Astromag, because it provides both the assembly and servicing capabilities needed for change-out of experiments and replenishment of liquid helium to extend the life of the facility.
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