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For Release: October 12, 1994
GUIDONI NAMED TO CREW OF TETHERED SATELLITE REFLIGHT
Italian scientist Dr. Umberto Guidoni has been selected to fly as payload specialist on the STS-75 Space Shuttle mission in early 1996, which will see the second flight of the Tethered Satellite System (TSS).
As payload specialist, Guidoni will serve on the Shuttle crew as a scientist in orbit, working directly with the TSS experiments to be conducted during the 13-day mission aboard the Orbiter Columbia.
The TSS project is a joint NASA/Italian Space Agency effort to study and advance the potential future uses for space tethers, which keep one object attached to another while in orbit and offer a variety of applications.
Guidoni will be making his first space flight, but he has been associated with the TSS project for several years. He was the alternate payload specialist for the first TSS mission in the summer of 1992. He is a co-investigator on one of the experiments to be conducted during the tether operations on the mission, which NASA has designated TSS-1R. Since being named experiment project scientist in 1989, he has been responsible for integration of the Research on Electrodynamic Tether Effects investigation into the TSS satellite.
Guidoni, 40, holds a Ph.D. in astrophysics, earned from the University of Rome in 1978. He has served as a staff scientist in the solar energy division of the Italian National Council for Renewable Energy, and became senior researcher at the Space Physics Institute of the National Research Council in 1984.
He received a post-doctoral fellowship from the Italian Nuclear Energy National Committee for 1979-80, allowing him to pursue work in the thermonuclear fusion field.
During the STS-75 mission, operations with the TSS will emphasize study of the electrodynamic effects of moving a conductive tether through the Earth's magnetic field. During the first TSS mission, STS-46 in July and August 1992, the satellite was partially deployed and was successfully managed and manipulated by Shuttle crew members.
The TSS project is managed for NASA's Office of Space Science and the Office of Space Flight by the Marshall Space Flight Center, Huntsville, AL. The five-foot diameter (1.6 meter) satellite, designed to be deployed at the end of a 13-mile-long (20.7 kilometer) conductive tether, was developed and provided by the Italian Space Agency.
The STS-75 mission also will be the third flight of the U.S. Microgravity Payload (USMP-3), a suite of instruments and experiments in the Shuttle's cargo bay.
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