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Titlebook: Astronomy and Astrophysics Abstracts; Literature 1983, Par S. B?hme,W. Fricke,G. Zech Book 1984 Springer-Verlag Berlin Heidelberg 1984 astr

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21#
發(fā)表于 2025-3-25 05:30:08 | 只看該作者
Planetary System,the major planets, especially hydrogen, has been developed during the last years. Creep behaviour and electrical properties are now much better understood. The results of these investigations, reviewed in the paper, have increased the understanding of the planets, but at the same time, they have dra
22#
發(fā)表于 2025-3-25 08:24:54 | 只看該作者
Stars, of rotation. The calculations concern various age groups of stars for which the distances are limited to 200 pc. The author uses the maximum likelihood method to solve the proper motions and radial velocity equations. The resulting system of nonlinear equations is solved by application of the Monte
23#
發(fā)表于 2025-3-25 13:21:06 | 只看該作者
Interstellar Matter, Nebulae, column densities of C I (both in its ground state and the two excited fine-structure levels), the equivalent widths were used to revise the .-values of some of the C I transitions measured by other investigators. The authors also observed H. from the . = 4 level. From the amount of fine-structure e
24#
發(fā)表于 2025-3-25 18:43:24 | 只看該作者
25#
發(fā)表于 2025-3-25 23:08:21 | 只看該作者
https://doi.org/10.1007/978-3-7091-6196-8. started documentation and abstracting work in 1969 as the direct successor of the Astronomischer Jahresbericht. For information on astronomical literature before this date consultation of one of the following bibliographies is suggested:
26#
發(fā)表于 2025-3-26 03:02:05 | 只看該作者
27#
發(fā)表于 2025-3-26 07:30:03 | 只看該作者
28#
發(fā)表于 2025-3-26 11:15:55 | 只看該作者
29#
發(fā)表于 2025-3-26 16:07:39 | 只看該作者
30#
發(fā)表于 2025-3-26 18:44:29 | 只看該作者
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