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SOLAR ELECTRIC (ION) PROPULSION ... The engine provides about 10 times the specific impulse (ratio of thrust to propellant used) of chemical propulsion. DS1 is the first spacecraft to use ion propulsion as the primary propulsion system. It is one of the 12 advanced technologies that was validated by DS1 during flight.
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nmp.jpl.nasa.gov/ds1/tech/sep.html
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April 6, 1999: The ion propulsion system on Deep Space 1 is the culmination of over 50 years of development on electric engine systems in space. Launched on Oct. 24, 1998, Deep Space 1 will be the first spacecraft to actually use ion propulsion to reach another planetary body.
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science.nasa.gov/newhome/headlines/prop06apr99_2.htm
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NASA Science News: After a sucessful test during NASA's Deep Space 1 mission, scientists say ion propulsion is here to stay. ... But today, thanks to the pioneering efforts of scientists at the NASA Glenn Research Center and the Jet Propulsion Laboratory (JPL), ion propulsion systems are a reality.
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science.nasa.gov/headlines/y2000/ast15jun_1.htm
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The xenon ion propulsion system, or XIPS (pronounced "zips"), is the culmination of nearly four decades of research into the use of electric propulsion as an alternative to conventional chemical propulsion. ... Hughes has been investigating the use of ion propulsion since the early 1960s. Early research focused on the...
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www.boeing.com/defense-space/space/bss/factsheets/xips/...
www.boeing.com/defense-space/space/bss/factsheets/xips/xips.html
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Ion thruster - Wikipedia, the free encyclopedia
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An ion thruster is a form of electric propulsion used for spacecraft propulsion that creates thrust by accelerating ions. Ion thrusters are categorized by how they accelerate the ions, using either ...
en.wikipedia.org/wiki/Ion_thruster
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The propulsion of choice for science fiction writers has become the propulsion of choice for scientists and engineers at NASA. The ion propulsion system's efficient use of fuel and electrical power enable modern spacecraft to travel farther, faster, and cheaper than any other propulsion technology currently available.
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www.nasa.gov/centers/glenn/about/fs21grc.html
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NASA Glenn Ion Propulsion paper selected as 2002 AIAA Best Paper by the AIAA Electric Propulsion Technical Committee ; + Read More ... ; + Boeing Xenon Ion Propulsion (XIPs) ; + Ion Propulsion 50 Years in the Making ; + ESA Ion Propulsion News;
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www.grc.nasa.gov/WWW/ion/
www.grc.nasa.gov/WWW/ion/
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Deep Space 1 sets record with ion propulsion system by flying over 200 days. Will NASA use it in future ... ion propulsion, already has proved its worth aboard NASA's Deep Space 1 probe. The spacecraft this week logged a record 200 days operating its ion-drive engine. That's more accumulated engine time than any other...
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www.space.com/scienceastronomy/solarsystem/deepspace_pr...
www.space.com/scienceastronomy/solarsystem/deepspace_propulsion_000816.html
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Currently, a return journey to Mars can take up to two years, with crew members having to wait a full year for the planets to realign, but with ion propulsion -- which uses electricity to accelerate ions and produce small but longevous thrust -- ships can get there within a reasonably tight 39-day window.
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www.engadget.com/2009/10/20/ion-propulsion-engine-could...
www.engadget.com/2009/10/20/ion-propulsion-engine-could-take-you-to-mars-within-39/
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