CRAMP
发表于 2025-3-26 22:05:59
The Spectra of the White Dwarfs,nd spectra. Theoretical development in model stellar atmospheres, in the theory of line broadening, and more data on parallaxes are badly needed. Nevertheless we now approach a period in which interpretation of white-dwarf spectra in terms of composition will become profitable.
考博
发表于 2025-3-27 01:50:37
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归功于
发表于 2025-3-27 08:48:17
Stars with Peculiar Spectra,r spectra into some sort of sequence, those which fit into the sequence (i.e., classification) defined by the majority automatically become “normal”, while those which cannot be dropped into any of the normal classes are naturally called “pecuhar”. Some extreme cases will always be listed as peculia
西瓜
发表于 2025-3-27 11:42:56
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的染料
发表于 2025-3-27 15:56:25
The Spectra of the White Dwarfs,of astrophysics [.]. After an early period of observation, an extremely successful and complete theory of their structure was developed [.]. These stars are faint both intrinsically and by apparent magnitude, and detailed investigation of their spectra, colors, parallaxes and masses have been few an
Epithelium
发表于 2025-3-27 21:34:17
Visual Binaries,e direction, but at widely differing distances. The latter case represents the so-called ., which is of little or no interest, and in statistical studies of binaries may generally be safely ignored.. The former case of the true ., or ., is the topic of the present article. While no fundamental disti
场所
发表于 2025-3-27 23:07:00
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Serenity
发表于 2025-3-28 04:47:02
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迷住
发表于 2025-3-28 08:45:22
Klaus Regenauer-Lieb,David A. Yuen,Florian Fusseisr erziehungswissenschaftlichen Diskussion Auftrieb verschafften:.Um größere Klarheit zu erlangen, scheint es sinnvoll, zunächst vom Begriff des Lernens auszugehen, um erst dann zu ergründen, was “Offenheit” in bezug auf Lernen meinen kann. Bei meinem Verständnis von Lernen beziehe ich mich auf Günth
arbiter
发表于 2025-3-28 13:09:21
Peter Armstrongcal representation of general recoupling coefficients, and the studies on the tree cover number are motivated by its equality with the maximum positive semidefinite nullity on multigraphs with treewidth at most two..Given the interest in the tree cover number on graphs with bounded treewidth, we inv