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Mini-Mag Orion
Mini-Mag Orion (MMO) or Miniature Magnetic Orion is a proposed type of spacecraft propulsion based on the Project Orion nuclear propulsion system. The Mini-Mag Orion system achieves propulsion by compressing fissile material in a magnetic field, a Z-pinch, until fission occurs. This fission reaction propels the craft. MMO should be able to propel 100 tons to Mars within 3 months or to Jupiter in about one year.
== History ==
In June 2000, Andrews Space concluded a Phase I NASA Small Business Innovation Research project on an iteration of the original Project Orion concept termed MagOrion. MagOrion introduced the use of a large, 2 km diameter, superconducting ring to interact with the plasma debris of the nuclear explosive pulses; replacing the mechanically dampened pusher plate of the original Project Orion concept. This enabled specific impulses above 10,000 seconds with initial system Thrust to Weight ratios from 0.2-10. The study also identified several potential show-stoppers for MagOrion; the brittleness of superconductors and their susceptibility to critical self-field limitations, the technical challenge of constructing a 2 km diameter superconductor in space as well as the political difficulty of launching a device capable of ejecting nuclear explosives at high repetition rates. These concerns led to the next iteration in the Orion family of designs, Mini-MagOrion (MMO), which are discussed here. The MMO program was funded jointly by NASA and the US Department of Energy (DOE)
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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