Titlebook: An Introduction to the Study of the Moon; Zdeněk Kopal Book 1966 Springer Science+Business Media Dordrecht 1966 astronomy.astrophysics.moo

認(rèn)為

Stress History of the Moonsuch a state will be discussed in the next chapter; the subject matter of the present chapter being reserved for a discussion of the behaviour of the lunar globe to gravitational, thermal, or other stresses to which the body of the Moon responds as an elastic solid.

腫塊

Possible Convection in Lunar Interior) under these conditions are shown on Figures 8–2 and 8–4. If so, however, it is reasonable to inquire as to whether such material would be susceptible of actual . over time intervals comparable with the age of the Moon; but before attempting to answer this question, let us inquire first about a pos

facetious

Ceremony

Basic Facts: Distance, Size, and Masss 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;

團(tuán)結(jié)

filicide

閃光東本

Motion of the Moon about its Center of Gravity; Physical Librationsrigin with the center of gravity of its mass. Let, moreover, these axes share the mean rotation of our satellite (i.e., be fixed in its globe and share its motion — the body axes); while . represent the moments of inertia about the ., .-axes (the products of inertia being by definition, zero). If so

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