As a result of more than twenty missions to the planet Venus over the past thirty years, Soviet scientists have amassed a huge database of information on our sister planet.  This volume presents major research results in geology, geochemistry, and geophysics from the perspective of comparative planetology, comparing primarily Venus and Earth.  The most recent Soviet missions, Venera 15 and 16, provided radar images of the northern hemisphere that have enabled Soviet and U.S. scientists to produce a geologic map of Venus and to interpret the evolution of the planet.  The section on geology synthesizes the findings from these missions in a form not to be found in individual scientific articles.  The detailed discussions of various surface features, the inclusion of radar images and sketched geological maps for many examples, the thorough tabulation of specific features, and the valuable appendices all constitute important source material which would otherwise be difficult to assemble for most western scientists.

Venus Geology, Geochemistry, and Geophysics: Research Results from the Soviet Union

Science & Math

Zharkov, V. N.

Astronomy & Space Science

University of Arizona Press

We started our work on theoretical methods in the phys ics of high pressures (in connec tion with geophysical applications) in 1956, and we immediately encountered many problems. Naturally, we searched the published Iiterature for solutions to these problems but whenever we failed to find a solution or when the solution did not satisfy us, we attempted to solve the problern ourselves. We realized that other investigators working in the physics of high pres sures would probably encounter the same problems and doubts. Therefore, we decided to write this book in order to save our colleagues time and effort. Apart from the descriptions of ex perimental methods, the book deals only with those problems which we encountered in our own work. Allproblems in high-pressure physics have, at present, only approximate solutions, which are very rough. Therefore, it is not surprising that different investigators approach the same problems in different ways. Our approach does not prejudge the issue and we are fully aware that there are other points of view. Our aim was always to solve a glven problern on a physical basis. For example, the concept of the Grüneisenparameter needs further develop ment but it is based on reliable physical ideas. On the other hand, Simon's equation for the melting curve has, in our opinion, no clear physical basis and is purely empirical. Equations of this type are useful in systematic presentation of the experimental material but they are un suitable for any major extrapolation.

Equations of State for Solids at High Pressures and Temperatures

Reference

Springer

<p>This text provides a solid introduction to advanced geophysics. Part I focuses on the interior structure of the earth, featuring a large section on plate tectonics and discussing such problems as the source mechanisms of earthquakes, tides, the rheology of the crust and mantle and the evolution of the lunar orbit. Part II focuses on the interior structure of the moon, the giant planets and the structure of the Galilean satellites of Jupiter and Titan and the icy satellites of Saturn.</p>

Interior Structure of the Earth and Planets

Harwood Academic Publishers

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