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  • Nature Publishing Group  (14)
  • American Geophysical Union  (2)
  • 1965-1969  (16)
Collection
Publisher
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Infrared and Microwave Astronomy (1969)
    [s.l.] : Nature Publishing Group
    Nature 224 (1969), S. 752-758 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recent observations of infrared and microwave emission from various astronomical objects, together with their theoretical implications, were discussed at a conference held in Cambridge from July 8 to 11, 1969. This rapidly developing field of astronomy promises to contribute significantly to our ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/224752a0
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  • 2
    Electronic Resource
    Electronic Resource
    Composition and Origin of Cosmic Rays (1968)
    [s.l.] : Nature Publishing Group
    Nature 219 (1968), S. 1005-1009 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The latest results on the composition of cosmic rays, and their theoretical implications, were discussed at a conference held in Cambridge during July 16–19. They point to a thermonuclear origin, but it is still a matter of speculation whether cosmic rays in the solar vicinity are produced in ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2191005a0
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  • 3
    Electronic Resource
    Electronic Resource
    Extragalactic Soft X-ray Astronomy (1968)
    [s.l.] : Nature Publishing Group
    Nature 217 (1968), S. 326-329 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The opacity of the galaxy to soft X-rays may be less than previously supposed. This may permit a variety of extragalactic objects to be observed at ∼50 Å. Some implications of this situation are discussed ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/217326a0
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  • 4
    Electronic Resource
    Electronic Resource
    Large-scale Density Inhomogeneities in the Universe (1968)
    [s.l.] : Nature Publishing Group
    Nature 217 (1968), S. 511-516 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There may be large scale density inhomogeneities (such as quasar clusters) in the universe, and their effect on the angular distribution of the cosmic black-body radiation could potentially be ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/217511a0
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  • 5
    Electronic Resource
    Electronic Resource
    Absorption Spectrum of 3 C 9 (1966)
    [s.l.] : Nature Publishing Group
    Nature 212 (1966), S. 1001-1002 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We wish to point out that the photoelectric spectrum of 3C 9 (2 = 2-012 (ref. 6)) recently published by Field, Solomon and Wampler7 may show evidence of absorption by HI, C IV, and N V in a hot cloud with red-shift 2=1-62. The spectrum is shown in Fig. 1. The two apparent absorption features on the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2121001a0
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  • 6
    Electronic Resource
    Electronic Resource
    Structure of the Quasi-Stellar Radio Source 3 C 273 B (1965)
    [s.l.] : Nature Publishing Group
    Nature 208 (1965), S. 371-374 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN this article we show that: (1) the radio variations1 of 3O 273 B are consistent with its red shift being cosmological; (2) the variable component of the optical continuum2 of 3(7 273 B may be partly due to inverse Compton collisions between relativistic electrons and their own synchrotron ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/208371a0
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  • 7
    Electronic Resource
    Electronic Resource
    Infrared Radiation from Dust in Seyfert Galaxies (1969)
    [s.l.] : Nature Publishing Group
    Nature 223 (1969), S. 788-791 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The observed infrared radiation from Seyfert galaxies in the waveband 2.2–22 µm may be emitted by dust grains which absorb energy from an intense optical or ultraviolet source at the galactic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/223788a0
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  • 8
    Electronic Resource
    Electronic Resource
    Inverse Compton Effect in Quasars (1966)
    [s.l.] : Nature Publishing Group
    Nature 211 (1966), S. 805-807 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE importance of the inverse Compton effect in intense radio sources has been emphasized on several occasions1-4. In particular, Hoyle, Burbidge and Sargent have suggested4 that Compton losses are so serious as to rule out some models for variable quasi-stellar sources (quasars) unless these ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/211805a0
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  • 9
    Electronic Resource
    Electronic Resource
    Appearance of Relativistically Expanding Radio Sources (1966)
    [s.l.] : Nature Publishing Group
    Nature 211 (1966), S. 468-470 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN this article it is suggested that the central parts of some radio sources may expand with relativistic velocities. Relativistic effects could then have a decisive influence on the observable properties of these sources. In particular, ^the flux from a radio source expanding with relativistic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/211468a0
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  • 10
    Electronic Resource
    Electronic Resource
    A Model of the Quasi-stellar Radio Variable CTA 102 (1965)
    [s.l.] : Nature Publishing Group
    Nature 207 (1965), S. 738-740 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Although it is by no means certain that the observed variations originate in the source itself, we wish to propose a model which assumes this, and is consistent with the red shift observations. The model is illustrated in Fig. 1. The radio emission is produced in a spheroidal shell the axis of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/207738a0
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