The earths magnetic field shields earth from comic rays.
Can a Magnetic field shield against nuclear radiation?
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is there a difference between comic rays and nuclear radiation?
In: 0
No, not really. Ionizing radiation consists of charged particles (alpha, beta) and uncharged (gamma, x-rays, neutrons). Uncharged particles are not effected by magnetic fields. A magnetic field can attract or repel a beta or alpha particle but not both due to their opposite charges. Further, charged particle interactions within the magnetic field can cause secondary ionizations yielding bremmstrahlung radiation and other x-rays that could escape the field.
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