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  • 1
    Electronic Resource
    Electronic Resource
    Sunspot index infers a small relict magnetic field in the Sun's core (1983)
    [s.l.] : Nature Publishing Group
    Nature 306 (1983), S. 670-673 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The lines in the spectrum of the Zurich sunspot index in the interval 100 〈 t 〈 8 yr (where t is the period) match those of a model in which a 22-yr carrier 'wave' representing the Hale 22-yr cycle is amplitude modulated (AM) at the 90 yr (Gleissburg) period in the presence of a small but ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/306670a0
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  • 2
    Electronic Resource
    Electronic Resource
    Lunar magnetism (1984)
    [s.l.] : Nature Publishing Group
    Nature 307 (1984), S. 661-662 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a recent review of lunar palaeomag-netic investigations, Runcorn1 has emphasized the possibility that an ancient core dynamo was the dominant source of the observed crustal magnetization by generating surface fields of 0.01-1.0 G in the 3.2-4.0 xl03Myr time period. Major implications for lunar ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/307661a0
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  • 3
    Electronic Resource
    Electronic Resource
    Correlation of bristlecone pine ring widths with atmospheric 14 C variations: a climate–Sun relation (1984)
    [s.l.] : Nature Publishing Group
    Nature 307 (1984), S. 141-143 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The annual values of the Campito Mountain series were supplied by V. C. LaMarche of the University of Arizona Laboratory of Tree Ring Research. Twenty-year averages have been published by Lamb5. The bristlecone pine growth ring sequence was determined specifically to investigate the influence of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/307141a0
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  • 4
    Electronic Resource
    Electronic Resource
    Lunar Conductivity (1973)
    [s.l.] : Nature Publishing Group
    Nature 245 (1973), S. 59-59 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR, Your geomagnetism correspondent1 commented on the problem of lunar conductivity where he reviewed the current status of the problem of inversion of lunar magnetometer data into a profile of the bulk electrical conductivity. His statements tend to centre only on the recent work of Hobbs2 where ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/245059a0
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  • 5
    Electronic Resource
    Electronic Resource
    Lunar Electrical Conductivity—Reply (1972)
    [s.l.] : Nature Publishing Group
    Nature 238 (1972), S. 145-147 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] REISZ et al.1 consider, in the preceding letter, two conceptually important points regarding the lunar transfer function inversions which we reported2,3. That work used a symmetric confining current theory so that the dark hemisphere diamagnetic cavity effect was ignored, as we pointed out at that ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/238145a0
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  • 6
    Electronic Resource
    Electronic Resource
    Lunar temperature and global heat flux from laboratory electrical conductivity and lunar magnetometer data (1975)
    [s.l.] : Nature Publishing Group
    Nature 258 (1975), S. 118-121 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Three-layer monotonic electrical conductivity models for the lunar interior to a depth of 600 km are used in conjunction with laboratory measurements of the electrical conductivity of olivine and pyroxene to estimate a temperature–depth profile. The temperatures calculated for depths of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/258118a0
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  • 7
    Electronic Resource
    Electronic Resource
    Electrical Heating of Meteorite Parent Bodies and Planets by Dynamo Induction from a Pre-main Sequence T Tauri “Solar Wind” (1968)
    [s.l.] : Nature Publishing Group
    Nature 219 (1968), S. 924-926 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We report here preliminary calculations of a new heat source for solid objects in the solar system based on a pre-main sequence Sun thought to pass through a T Tauri-like phase. The mechanism is distinct from the fast heating derived from extinct radionuclides, but has a similar time scale. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/219924a0
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  • 8
    Electronic Resource
    Electronic Resource
    The melting of asteroidal-sized bodies by unipolar dynamo induction from a primordial T Tauri sun (1970)
    Springer
    Astrophysics and space science 7 (1970), S. 446-488 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper examines the heating of asteroidal parent bodies by electrical induction during early solar evolution and prior to positioning of the sun onto the main sequence. Under the conditions assumed, which include a high initial solar spin rate, interplanetary electric fields of order 1 V/m would have existed in frames of reference comoving with the planets, leading to electrical heating from joule losses in the asteroidal interiors. The mechanism additionally requires the high plasma efflux characteristic of T Tauri objects and the presence of a circumstellar obscuration of the type commonly associated with early stellar objects. The proper combination of circumstellar obscuration, solar spin, solar wind flow, and starting planetary temperatures is shown to lead to asteroidal heating competitive with that found for a class of fossil radioactive species. The time dependence of the solar spin and plasma flow are shaped so as to be consistent with current views on the evolution to T Tauri objects and of the spin down of stars. Calculations also include cases of joint heating by fossil radionuclides and electrical induction, and show a complicated relationship due to the intrinsic nonlinearity of the electrical heating mechanism. Implications regarding the pre-main sequence dynamics of the sun are contained in the hypothesis of electrical heating if the contribution from radionuclides and gravitational accretion can be shown to be insufficient to account for the heating episode. Finally, some consequences of the mechanism applied to planets in the presence of an intense solar wind are considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00653283
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  • 9
    Electronic Resource
    Electronic Resource
    Planetary magnetism in the outer solar system (1973)
    Springer
    Space science reviews 14 (1973), S. 552-558 
    Details
    ISSN: 1572-9672
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A brief review of the salient considerations which apply to the existence of magnetic fields in connection with planetary and subplanetary objects in the outer solar system is given. Consideration is given to internal dynamo fields, fields which might originate from interaction with the solar wind or magnetospheres (externally driven dynamos) and lastly fossil magnetic fields such as have been discovered on the Moon. Where possible, connection is made between magnetism, means of detection, and internal body properties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00214761
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  • 10
    Electronic Resource
    Electronic Resource
    Editorial (1977)
    Springer
    Earth, moon and planets 17 (1977), S. 471-471 
    Details
    ISSN: 1573-0794
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00562652
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