Abstract
A new model of gamma radiation (GR) generated by neutralino annihilation in neutralino stars (NeS) is proposed. Diffuse galactic and extragalactic GR is calculated for this model and is shown to be in reasonable agreement with observations. The point-source component (P) is picked out among nonidentified discrete gamma sources from the EGRET catalog. This component is shown to be distributed isotropically and homogeneously, as it should be for NeS. Gamma radiation from a significant part of P-sources is supposed to be the direct radiation from individual NeS. This supposition is shown to be in agreement with observations. The comparison of the theory with observed GR gives a possibility to establish some important features of the CDM particle.
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