Evolution of the Solar System, Tom 10

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Scientific and Technical Information Office, National Aeronautics and Space Administration, 1976 - 599
 

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Strona 52 - We may describe their orbital motion by three parameters: the semimajor axis a, the eccentricity e, and the inclination i of the orbit.
Strona 4 - This is a very shaky basis because the formation of the sun (and other stars) is a highly controversial subject. Recognizing that the satellite systems of Jupiter, Saturn, and Uranus are very similar to the planetary system, and at least as regular as this system, it seems now more appropriate to aim at a general theory of the formation of secondary bodies around a central body, regarding the formation of the planetary system as only one of the applications of such a general theory. The study of...
Strona 515 - On the controversy over the effect of tidal friction upon the history of the Earth-Moon system.
Strona 88 - We introduce an orthogonal coordinate system with the origin at the center of gravity of the...
Strona 517 - Howard, HT, GL Tyler, PB Esposito, JD Anderson, RD Reasenberg, II Shapiro, G. Fjeldbo, AJ Kliore, GS Levy, DL Brunn, R. Dickinson, RE Edelson, WL Martin, RB Postal, B. Seidel, TT Sesplaukis, DL Shirley, CT Stelzried, DN Sweetnam, GE Wood, and AI Zygielbaum (1974) Mercury: results on mass, radius, ionosphere, and atmosphere from Mariner 110 dual-frequency radio signals.
Strona 247 - ... phenomena in regions of space where no real check was possible. The fact that the basis of several of the theories had been proved to be false in the laboratory had very little effect: One said that this did not necessarily prove that they must be false also in cosmos! The second confrontation, however, came when space missions made the magnetosphere and interplanetary space accessible to physical instruments. The first results were interpreted in terms of the generally accepted theories, or...
Strona 489 - The lower abscissa scale shows the radius of the growing Earth in fractions of the present size. The upper (nonlinear) abscissa scale shows the time elapsed from inception of accretion. The three solid curves show the accumulation of water on Earth. The left curve represents the amount retained in the cooly accreted inner core. The middle curve shows the accumulated water in the atmosphere and the right hand curve shows the accumulated liquid water.
Strona 248 - frozen-in" and "move" with the plasma Electrostatic double layers are neglected Instabilities are neglected Electromagnetic conditions are illustrated by magnetic field line pictures Filamentary structures and current sheets are neglected or treated inadequately Maxwellian velocity distribution Theories are mathematically elegant and very "well developed" Space plasmas often have a complicated inhomogeneous structure...
Strona 250 - Such layers may be stable, but often they produce oscillations. The phenomenon is basically independent of magnetic fields. If a magnetic field is present, the double layer cuts the frozen-in field lines.
Strona 526 - Ar-^Ar ages and cosmic ray exposure ages of Apollo 14 samples. Earth Planet. Sci. Lett. 12, 19-35.

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