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  • 1965-1969  (22)
  • 1940-1944  (1)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Impurities in Interstellar Grains (1967)
    [s.l.] : Nature Publishing Group
    Nature 214 (1967), S. 969-971 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The presence of impurity atoms in interstellar grains can drastically change the interaction of the grains with electromagnetic radiation over a wide range of wavelengths extending from the optical to the far ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/214969a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    How Important is Steady State Cosmology to Classical and Quantum Electrodynamics? (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 1145-1146 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Hoyle and Narlikar comment as follows: Maxwell's electromagnetic theory, in spite of its remarkable successes in the experimental field, possesses two main defects. The first is the ad hoc choice of retarded solutions. As long as this choice is made on empirical grounds, we are no better off in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2231145b0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Interstellar Grains (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 459-462 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Interstellar grains may be a mixture of graphite particles formed in carbon stars and of silicates in oxygen-rich giants. The astrophysical consequences of such a grain mixture are ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/223459a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Cosmology and Quantum Electrodynamics (1969)
    [s.l.] : Nature Publishing Group
    Nature 222 (1969), S. 1040-1042 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Further investigations in quantum elctrodynamics show how the radiative processes can be described without infinities in terms of cosmology and the direct particle theory of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2221040a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    On the Nature of the Quasi-stellar Sources (1966)
    [s.l.] : Nature Publishing Group
    Nature 209 (1966), S. 751-753 
    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 paper, under the same title as this article1, two of us have discussed both the usual cosmological interpretation of the red-shifts of the spectrum lines of the quasi-stellar objects and also the possibility that these objects are comparatively 'local' to our Galaxy, with distances of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/209751a0
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  • 6
    Electronic Resource
    Electronic Resource
    Origin of Low Energy Cosmic Rays from Outside the Solar System (1967)
    [s.l.] : Nature Publishing Group
    Nature 216 (1967), S. 22-25 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The abundances of heavy nuclei in the low energy primary cosmic ray flux can be accounted for by the co-existence of two components, one of which has undergone nuclear spallation reactions. The passage of primary cosmic rays through the ambient gas clouds thought to be associated with quasi-stellar ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/216022a0
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Some Restrictions on Models of Quasi-stellar Objects (1966)
    [s.l.] : Nature Publishing Group
    Nature 212 (1966), S. 1223-1224 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We first repeat the essential features of the argument to show that it is independent of the magnetic field. For an electron of energy y me2 the energy loss rate in an isotropic radiation field is ~2xlO~14 y2 ^rad ergs sec-1. The lifetime is obtained by dividing y ^ 2 by this loss rate, and is ~4x ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2121223a0
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  • 8
    Electronic Resource
    Electronic Resource
    Relation between the Red-shifts of Quasistellar Objects and their Radio and Optical Magnitudes (1966)
    [s.l.] : Nature Publishing Group
    Nature 210 (1966), S. 1346-1347 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Log j\r-log S plot for thirty quasi-stellar objects with radio fluxes 〉 8 x 10-26 W m-2 (c/s)-1 Fig. 2. Red-shift versus radio magnitude for quasi-stellar objects used in Fig. 1, together with several objects having smaller values of S. (S = 10 equals MR = 0-00) In Fig. 3 we show log z ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2101346a0
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Magnetic Fields and Highly Condensed Objects (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 936-936 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently, it has become clear that highly condensed objects are important energy sources, and the question evidently arises as to whether they augment the galactic field by dynamo action. This could happen through the winding by rotation of a field that emerges from the object. Consider an object ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/223936a0
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Recent Developments in Cosmology (1965)
    [s.l.] : Nature Publishing Group
    Nature 208 (1965), S. 111-114 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I SHALL start from the observed shift of the spectrum lines of galaxies interpreted in terms of the expansion of the universe. The red shift implies that distances between galaxies, measured with an imaginary ruler for example, increase with time. An immediate question is whether the universe was ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/208111a0
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    Paper (German National Licenses)
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