The Stellar Universe
نویسندگان
چکیده
منابع مشابه
Stellar Evolution in the Early Universe
Massive stars played a key role in the early evolution of the Universe. They formed with the first halos and started the re-ionisation. It is therefore very important to understand their evolution. In this paper, we describe the strong impact of rotation induced mixing and mass loss at very low Z. The strong mixing leads to a significant production of primary N, C and Ne. Mass loss during the r...
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The high ionization level and non-zero metallicity (∼ 1% Z ⊙) of the intergalactic gas at redshifts z ∼ < 5 implies that nonlinear structure had started to form in the universe at earlier times than we currently probe. In Cold Dark Matter (CDM) cosmologies, the first generation of baryonic objects emerges at redshifts z ∼ 10–50. Here we examine the observable consequences of the possibility tha...
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ژورنال
عنوان ژورنال: Nature
سال: 1902
ISSN: 0028-0836,1476-4687
DOI: 10.1038/0651689viiia0