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As NASA's New Horizons spacecraft winds its way on a nine-year journey toward Pluto and the outer solar system, at least one expert wonders why such missions need to take so long.
Paul A. Czysz, a 30-year veteran of the industry, continuing consultant to the U.S. military and professor emeritus of aerospace engineering at St. Louis University, thinks NASA can curb the travel time to the outer planets from nearly a decade to a matter of weeks...continues spacedaily.com
Originally posted by TheGoodDoctorFunk
I do have a hunch that the first Ion drive was launched a year (?) ago by the ESA and that RTG was just launched by NASA