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

浮雕

Global Form of the Moon; Definition of Lunar Coordinatesasis of observations which can be made from the Earth. This requires, in turn, a determination of absolute (three-dimensional) coordinates of a sufficient number of specific control points on the Moon, through which a smooth surface may be interpolated by harmonic analysis. The aim of the present ch

死亡率

confederacy

PLUMP

Formations on the Lunar Surface; Descriptive Surveyvide a basis for more detailed description of the surface of the Moon with its almost innumerable diverse features, and thus help us to understand from them the nature of the principal processes which have been shaping up its face since time immemorial.

Obstruction

spondylosis

共同生活

eardrum

https://doi.org/10.1007/978-3-642-64926-4monic analysis of their results, has revealed that within the limits of +3 km (i.e., ±0.2 per cent of the lunar radius) the Moon is essentially a sphere of mean radius of 1738 km; though deviations of the actual surface from this sphere appear to be quite complicated, and their physical significance is still largely obscure.

使痛苦

Prosaic

Chemical Composition of the Moonh one must often resort in the studies of celestial objects at a distance we shall, in what follows, develop this topic as far as can be done on the eve of a space age in which direct acquaintance with the object of our study will largely supersede deductions made on theoretical grounds.