dynamical halo model

dynamical halo model

[dī′nam·ə·kəl ′hā·lō ‚mäd·əl]
(astronomy)
A model for the behavior of cosmic rays in the Galaxy in which the cosmic rays are produced in a thin disk near the central plane and then diffuse through the disk and into an outwardly convecting halo to an outer boundary at a distance of perhaps several kiloparsecs from the central plane.
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