Permanent Magnet Array Deflects 20% of Solar Radiation in Deep Space Shield Test
A joint Italian-German research team has successfully tested a radiation shielding system using 1,482 neodymium-iron-boron permanent magnets arranged in a compact array. The device deflected 20% of incoming solar particles without requiring cryogenic cooling or a dedicated power supply, unlike superconducting magnet alternatives. The development comes as NASA plans crewed deep space missions under its Artemis program and prepares for eventual Mars travel. Scientists noted that a powerful solar flare recorded in 1972, between the Apollo 16 and 17 missions, would have been fatal to any astronaut on the lunar surface at the time. The new shielding technology is seen as a practical step toward protecting astronauts from such life-threatening radiation events during future long-duration missions.
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