الكتب الالكترونية

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978-1-4020-3881-5
Multiwavelength Approach to Unidentified Gamma-Ray Sources

Nearly one half of the point-like gamma-ray sources detected by EGRET instrument of the late Compton satellite are still ...

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978-0-387-46269-1
Supernovae and How to Observe Them

Supernovae mark the deaths of massive stars or of white dwarfs in binary systems. Even when they occur in galaxies millions ...

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