性冷淡
发表于 2025-3-26 22:27:27
https://doi.org/10.1007/978-3-531-92109-9s the distance, size, and mass, the knowledge of which will constitute a necessary prerequisite for proper understanding of the structure and other physical characteristics of the Moon to be discussed in the main part of this book. To the astronomer the Moon has indeed been a friend of old standing;
怒目而视
发表于 2025-3-27 02:10:39
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Seizure
发表于 2025-3-27 09:04:24
,Beschäftigungs- und Sozialpolitik,y. This motion affects, of course, vitally most observational manifestations of our satellite; and the most elementary aspect of these are the conditions of illumination of the Moon by the Sun and the Earth — i.e., the . of the Moon — which we shall now proceed to describe.
利用
发表于 2025-3-27 12:15:37
Michael Rupp,Gerhard Sabathil,Georg Ziegler motion of the Moon in space, and even more that about its center of gravity, are largely controlled by the Earth — with distant, but powerful, cooperation of the Sun. The aim of the present section will, however, be to focus specific attention on certain dynamical aspects of the Earth-Moon symbiosi
泰然自若
发表于 2025-3-27 17:22:06
https://doi.org/10.1007/978-3-211-73603-60. g or 1.2 per cent of that of the Earth. This mass is, moreover, contained inside a globe of ..= 1738 km mean radius, rendering its mean density ..= 3.34g/cm.. What is the corresponding . inside such a configuration?
木质
发表于 2025-3-27 17:57:29
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Flustered
发表于 2025-3-28 00:04:46
https://doi.org/10.1007/978-3-7091-1579-4tude as that of the Moon; and of the way in which this heat is likely to be distributed in the course of time. The time-dependence of the sources of radiogenic heat, together with the gradual cooling of lunar globe by escape of its thermal radiation into space, is bound to render the distribution of
grieve
发表于 2025-3-28 04:14:25
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Individual
发表于 2025-3-28 10:06:07
https://doi.org/10.1007/978-3-322-88160-1mical composition of the lunar globe — a difficult subject to approach with any confidence at a distance, when most of its discussion has to rest on indirect arguments. Yet such arguments should enable us already at this stage to draw certain probable conclusions which should facilitate our discussi
很是迷惑
发表于 2025-3-28 12:27:21
https://doi.org/10.1007/978-3-322-88160-1ition of its globe as discussed in the preceding chapter, entail several further important consequences; and perhaps the most important one for an understanding of lunar surface features is the well-nigh complete ., which would protect this surface from a direct contact with the outer space.