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  • 1
    Electronic Resource
    Electronic Resource
    A Galactic Discontinuity at l II = 140° (1967)
    [s.l.] : Nature Publishing Group
    Nature 213 (1967), S. 1107-1108 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Wolf-Rayet stars provided the first evidence of the discontinuity. It was pointed out by Vorontsov-Vely-aminov1, and confirmed by Roberts2 and by Stephenson3, that the anticentre region from m = 140 to jn = 225 is completely devoid of Wolf-Rayet stars (Fig. la). Hoffleit4 and Blanco and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2131107b0
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  • 2
    Electronic Resource
    Electronic Resource
    Infra-red Stars (1966)
    [s.l.] : Nature Publishing Group
    Nature 211 (1966), S. 395-396 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It has been suggested that these are newly formed stars in the process of gravitational contraction to the main sequence, but the time scale of the contraction is so short that the objects should be much less numerous than thoy are, unless contraction is slowed down as a result of the proto-star ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/211395a0
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  • 3
    Electronic Resource
    Electronic Resource
    Clustering of faint blue objects (1975)
    [s.l.] : Nature Publishing Group
    Nature 257 (1975), S. 772-773 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To examine this question a IllaJ photograph of a region near the south Galactic pole has been compared with a red-sensitive photograph of the same region. Both plates reach very faint magnitudes and when viewed in a Zeiss comparator most images are similar on both plates-that is to say, are of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/257772a0
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  • 4
    Electronic Resource
    Electronic Resource
    Science, Industry and Government (1969)
    [s.l.] : Nature Publishing Group
    Nature 222 (1969), S. 1009-1009 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sir,-In his article (Nature, 222, 421; 1969) Professor Flowers states that the average American income, measured by added value, is about £5,000 per annum, or four times the corresponding average British income of £1,300 per annum. The conversion of the American income from dollars to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2221009a0
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  • 5
    Electronic Resource
    Electronic Resource
    Localized Interstellar Molecular Hydrogen (1968)
    [s.l.] : Nature Publishing Group
    Nature 220 (1968), S. 463-464 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Even if one accepts the ideal physical adsorption model of Stecher and Williams, their results are quite sensitive to particular values chosen for various unknown parameters. All their temperatures designated Tmax in Table 1, in particular Tmax(Hmit), involve the proportionality factor ln where ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/220463a0
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  • 6
    Electronic Resource
    Electronic Resource
    Accretion of Solid Hydrogen Mantles by Grains in OB Associations (1968)
    [s.l.] : Nature Publishing Group
    Nature 218 (1968), 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] The lack of detectable Ha radiation cannot be attributed to excessive interstellar obscuration. If the association is optically thick with respect to Ha radiation, it must also be optically thick with respect to radiation in the stellar continuum. The absence of excess thermal continuum emission at ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/218661a0
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  • 7
    Electronic Resource
    Electronic Resource
    Galactic Discontinuity near l II = 140° (1968)
    [s.l.] : Nature Publishing Group
    Nature 218 (1968), S. 662-663 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Two alternative possibilities may be invoked to account for the discontinuity; either it represents the sudden onset of a real deficiency of stars in the anti-centre quadrant or it is a consequence of high obscuration by a nearby dense interstellar cloud. We wish to point out that there are indeed ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/218662a0
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  • 8
    Electronic Resource
    Electronic Resource
    Solid Hydrogen and the Microwave Background (1968)
    [s.l.] : Nature Publishing Group
    Nature 218 (1968), S. 1124-1126 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Solid state processes may be a controlling factor in the evolution of the universe and may account for similarities in the energy densities of several astrophysical ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2181124a0
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  • 9
    Electronic Resource
    Electronic Resource
    Wavelength Dependence of the Position Angle of Interstellar Polarization (1966)
    [s.l.] : Nature Publishing Group
    Nature 212 (1966), S. 990-992 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Coyne and Gehrels1 have recently reported a remarkable wavelength dependence of the position angle of interstellar polarization. For a majority of the stars between galactic longitudes lu - 120 and 191 the observed plane of polarization rotates through several degrees as the wavelength varies over ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/212990a0
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  • 10
    Electronic Resource
    Electronic Resource
    Interstellar Solid Hydrogen: How Much and Where? (1970)
    [s.l.] : Nature Publishing Group
    Nature 225 (1970), S. 367-367 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Although most of the theory propounded may apply also to star formation in clouds of molecular hydrogen, it is evidently desirable to look for more direct evidence for or against the existence of clouds of solid hydrogen grains in the galaxy. The question is, then, how much will there be and where ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/225367a0
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