aneurysm
发表于 2025-3-28 16:49:02
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Cpr951
发表于 2025-3-28 21:36:28
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instate
发表于 2025-3-28 23:13:46
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粉笔
发表于 2025-3-29 04:11:12
Selenodetic Measurements — An Introductionults, but rather to give an outline of the various methods which can be used to determine the shape of the so-called selenoid. The interpretation of the results will be discussed in another session; and so will the details of the structures on the surface, which will be the subject of the last sessi
biosphere
发表于 2025-3-29 07:19:50
Lunar Research at the Kottamia Observatoryowever, that the erection of such a telescope has become possible. Since 1905 planetary and stellar observations had been dependent upon a 30-inch, ./5 telescope presented to Helwan Observatory by Mr. Reynolds, a past treasurer of the Royal Astronomical Society in London. Valuable work was performed
falsehood
发表于 2025-3-29 11:48:51
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Sarcoma
发表于 2025-3-29 19:18:31
Selenodetic Equipment for Observations of Three Annular Eclipsessolar disk. This paper describes the equipment used to observe the annular eclipses of 1962, 1963 and 1965. Photographic techniques only were used at the two earlier eclipses. Both photographic and photoelectric scanning techniques were employed at the 1965 eclipse. The design philosophy and problem
箴言
发表于 2025-3-29 21:19:24
Note on a Photometric Determination of the Moon’s Form from Eclipse Observationse of the Moon’s limb during annular solar eclipses. The method consists in rotating a system of two prisms . and . around the optical axis . of the objective (see Figure 1). The prism . collects light from a sector of the annulus ., the focal plane being located at the exit face of prism .. A slit .
云状
发表于 2025-3-30 01:30:32
Lunar Profiles determined from the Annular Solar Eclipses of 1962 and 1963 eclipses observed on July 31, 1962, in Senegal, West Africa; and January 25, 1963, in the Union of South Africa, by the Lockheed-Manchester Eclipse Expeditions; with the aim of improving our knowledge of the face of the Moon as seen in projection against the disc of the Sun. The lunar profile deduc
范例
发表于 2025-3-30 06:42:07
The Use of the 48-inch Schmidt Telescope for Selenodetic Observationsmeris times, determining various higher-order motions of the Earth and Moon, and investigating certain geodesic problems. Because simultaneous photographic observations of the Moon and stars might be effectively used with new reduction techniques developed by Kopal for determining lunar librations f