SOLAR SYSTEM RESEARCH
Vol. 33, No. 5, 1999


Introduction 325

The Russian Lunar Exploration Project
E. At. Galirnov, S. D. Kulikov, R. S. Kremnev, Yu. A, Surkov, and 0. B. Khavroshkin 327


Helium-3 on the Moon for Fusion Energy: the Persian Gulf of the 21st Century
L. A, Taylor and G. L Kulcinski 338


The Motion ofSulfide Phases in a Partially Molten Silicate Material:
Application to the Problem of the Formation of Planetary Cores
E, B. Lebedev, A. A. Kadik, 0. L Kuskov, A. M. Dorfinan, and 0. A. Lukanin 346


Commercial Lunar Solar Power and Sustainable Growth of the Two-Planet Economy
D. R. Cmwell 356

Similarity and Differences ofTectonomagmatic Evolution
of the Moon and Earth: Present-day Viewpoint
E. V Sharkov and O. A. Bogatikov 363


A Design Concept of Water Production Experiment Mission
for Lunar Resource Utilization
K. Eguchi, S. Ogiwara, M. Oguchi, H. Kanamori,
T. Yoshida, Y. Nakamura, and T. Watanabe 376


The Moon: Chemical Composition and Internal Structure
D. L. Kuskov and and V A. Kronrod 382


Differentiation of Partially Molten Zones of the Moon under Conditions
of Multiphase Flow of Deep-Seated Material: A High-Temperature Centrifuge Simulation
A. A. Kadik and E. B. Lebedev 392


On the Cometary Origin of the Lunar Ice
V.VShevchenko 400

(3)He Distribution over the Lunar Visible Hemisphere
Yu. G. Shkuratov, L V. Starukhina, V.G. Kaidash, and N. V. Bondarenko 409


Nitrogen and Argon Isotopic Composition in Luna-16 and Luna-24 Regolith Samples
S. S. Assonov, I, A, Franchi, C T Pillinger, A. S. Semenova,
Yu, A. Shukolyukov, A. B. Verkhovsky, and A. N. Yasevich 421

Lunar Penetrator: Reducing Overloading and Penetration Control
V A. Veldanov, V E, Smirnov, and 0. B. Khavroshkin 432


Declaration from the Third International Conference on the Exploration and Utilization of the Moon 437


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SOLAR SYSTEM RESEARCH
Vol. 33, No. 6, 1999



Surface Material and Landscape Characteristics at the Mars Polar Lander Landing Site:
A Consideration and Prediction
A. T: Basilevsky, W. J. Markiewicz, N. Thomas, and H. U, Keller 439


Global Horizontal Regular Inhomogeneity of the Venusian Cloudy Layer:
A Macroscopic Analysis of Causes of This Phenomenon
E. G. Yanovitskii 452


Modeling the Protosatellite Circum-Jovian Accretion Disk:
An Estimate of the Basic Parameters
A. B. Makalkin, V A. Dorofeeva, and E. L. Ruskol 456

Variations in Reflective Characteristics of Jupiter's Atmosphere
A. R Vld'machenko 464


Coherent Backscatter as One of the Possible Mechanisms of Forming
the Opposition Brightness Peak for Some Bodies of the Solar System
Zh. M. Dlugach and M.I. Mishchenko 472

The Search for Extrasolar Planets by Means
of the Radial-Velocity Spectral Method and Astrometry
V. Ksanfomaliti 482


Orbital Evolution of the P/1996 R2 and P/1996 N2 Objects
S. I. Ipatov and G. J. Hahn 487


Comet Hale-Bopp: Linear and Circular Polarization Derived from Observations
of a Stellar Occultation
V, K. Rosenbush, N. M. Shakhovskoi, and A. E. Rosenbush 501


Author Index to Volume 33, 1999 510