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γ-Ray line astronomy

γ-Ray astronomy is a valuable source of information on solar activity, supernovae and nucleosynthesis. Cosmic y-ray lines were first observed from solar flares and more recently from the galactic centre and a transient event. The latter may give an important insight into nuclear reactions taking Place near neutron stars and black holes and a measure of the gravitational redshifts of such objects.

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Ramaty, R., Lingenfelter, R. γ-Ray line astronomy. Nature 278, 127–132 (1979). https://doi.org/10.1038/278127a0

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