宽大
发表于 2025-3-25 04:36:07
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大方一点
发表于 2025-3-25 10:42:38
The Observing Instruments of the Amateur Astronomer, better”? This question can be answered in various ways: to see why large appears small; to increase the record produced by faint light, directly or indirectly, so as to achieve a clear impression; to make invisible radiation visible; to see clearly what has only been received blurred; to separate d
glisten
发表于 2025-3-25 12:16:00
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附录
发表于 2025-3-25 16:59:31
Radio Astronomy for Amateur Astronomers,very young branch among the astronomical sciences. Although originally discovered by K. . in 1930, the importance of this extraterrestrial radio radiation became apparent only in the years 1940–1944, when a completely new way was opened up for the exploration of astronomical objects. Compared with t
容易生皱纹
发表于 2025-3-25 22:48:21
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meretricious
发表于 2025-3-26 03:47:24
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LATHE
发表于 2025-3-26 06:52:29
Observation of Total Solar Eclipses,, too, the corona is still the most important object of eclipse observations. When the Moon occults the observer and the atmosphere surrounding him from the brightness of the photosphere, it is then that the crown of rays around our Sun appears in all its vast extent and delicacy, much richer than e
留恋
发表于 2025-3-26 12:14:47
The Moon,ial body with a large surface rich in various formations. Even field glasses give an idea of the multitude of visible details shown by a larger telescope. Indeed, the Moon is a nearly inexhaustible test field for the abilities of an observer and for the quality of his instrument. On the other hand,
剧本
发表于 2025-3-26 15:59:22
The Observation of Star Occultations,ry devices. Not only is the impressive experience of the motion of our Moon a rich reward in itself, but every observer has here the opportunity of participating in a program that is of great importance for positional astronomy. The combination of many observations leads to an accurate knowledge of
议程
发表于 2025-3-26 19:07:16
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