Titlebook: Stellar Nucleosynthesis; Proceedings of the T Cesare Chiosi,Alvio Renzini Conference proceedings 1984 D. Reidel Publishing Company, Dordrec

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G. Bertelli,A. Bressan,C. ChiosiArctic, we discuss impacts to a region whose surface and lower atmospheric temperatures are near the triple point of water throughout much of the year. The most consistent signatures of climate warming have occurred at northern high latitudes (IPCC, 2001), and the potential impacts of a few degrees

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The Nickel and Iron Abundances in the Crab Nebula FilamentsRecent near-infrared observations of the Crab Nebula filaments indicate that Ni is overabundant by an order of magnitude, while Fe is underabundant by roughly 3 times, both by number relative to their solar levels. This suggests that Fe is depleted by grain formation. A lower limit on the mass of Fe in the filaments is 0.01 M⊙.

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Nucleosynthesis During the Quasi-Static Evolution of Massive StarsThe distribution of massive stars in the HR Diagram (HRD) is characterized by the following main features:

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978-94-009-6350-4D. Reidel Publishing Company, Dordrecht, Holland 1984