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Titlebook: Compendium of Practical Astronomy; Volume 1: Instrument Günter Dietmar Roth Book 19941st edition Springer-Verlag Berlin Heidelberg 1994 Ast

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樓主: dabble
41#
發(fā)表于 2025-3-28 16:00:58 | 只看該作者
Book 19941st edition. We feel that this is a unique publication in that it contains valuable material that cannot easily-if at all-be found elsewhere. We are grateful to the authors for reading through the English version of the text, and for responding promptly (for the most part) to our queries. Several authors have
42#
發(fā)表于 2025-3-28 21:55:11 | 只看該作者
Introduction to Astronomical Literature and Nomenclature,s, and also all of time back to the origin of the Universe as deduced from stellar dating and cosmological theory. Apart from meteorites and the very nearest celestial bodies which can be reached directly by spacecraft, astronomical researchers are spatially separated from the objects of their study
43#
發(fā)表于 2025-3-29 00:15:03 | 只看該作者
Fundamentals of Spherical Astronomy,na which occur on the celestial sphere. This is a field that today is often neglected, and yet it is still the foundation of many branches of astronomy for observations and research, even if this is not always clearly evident. Every observer is confronted with problems involving spherical astronomy
44#
發(fā)表于 2025-3-29 04:42:52 | 只看該作者
45#
發(fā)表于 2025-3-29 09:58:16 | 只看該作者
Optical Telescopes and Instrumentation,cording device, be it a conventional photographic plate, a sophisticated electronic detector, or merely the human eye. This may be achieved by enhancing the light-collecting area or by sharper imaging, with the aims of improved angular resolution in order to separate closely adjacent objects and hig
46#
發(fā)表于 2025-3-29 11:25:04 | 只看該作者
Telescope Mountings, Drives, and Electrical Equipment,ounting. The telescope mounting is a complex structure of many parts and is far less easily comprehended than the optical path in the telescope; some parts are even more difficult for the amateur telescope maker to manufacture than a primary mirror. Thus, the major problem has always been the manufa
47#
發(fā)表于 2025-3-29 15:38:11 | 只看該作者
48#
發(fā)表于 2025-3-29 21:59:44 | 只看該作者
49#
發(fā)表于 2025-3-30 01:43:54 | 只看該作者
Principles of Photometry,incident radiation is described completely by its flux, its direction, its color (wavelength), its polarization, the time of arrival, and—in certain cases—also by the location of the receiver. Photometry involves the measurement of radiation summed over a more or less extended wavelength region. Dep
50#
發(fā)表于 2025-3-30 06:19:23 | 只看該作者
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