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Recent progress on the nature of short duration Gamma Ray Bursts (GRBs) has shown that a fraction of them originate in the local universe. These systems may well be the result of giant flares from Soft Gamma Repeaters (SGRs) believed to be magnetars (neutron stars with extremely large magnetic fields ≥1014G). If these magnetars are formed via the core collapse of massive stars, then it would be ex
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The chapters gives an overview of how the Holocaust has been interpreted and represented in various European historical cultures.
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The stability of circular swirling jets is studied numerically in order to evaluate the influence of Reynolds number in the laminar regime, swirl level and inlet geometrical perturbations on the appearance and evolution of axial and asymmetric modes. The results reveal increasing deviation from symmetry with increasing Reynolds numbers and swirl levels. The critical value of the Reynolds number co
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The growth of environmental consciousness during the recent decades has led to new ethical challenges. Environmental crises have brought to the fore the seldom acknowledged questions of what duties current generations owe towards future generations and what duties human beings owe towards natural entities. A new subdiscipline - environmental ethics - has emerged that especially focuses on these mo
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An investigation of Fe II fluorescence by PAR (photoexcitation by accidental resonance) in AG Peg has been carried out using spectra recorded by the IUE satellite. Over 30 active pumping channels caused by PAR are observed and provide an explanation for 180 of the ultraviolet Fe II lines identified in the IUE spectra. The pumping lines are strong nebular lines originating from ionized elements, su