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  • 21
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 318 (1985), S. 230-231 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE peculiar ?-ray source in the constellation Gemini, termed Geminga, is once again puzzling astronomers. Originally found by the SAS-2 satellite1 and later studied by ?-ray detectors both in space2 and on Earth3, this object presents strange features in every wavelength band/One of the strangest ...
    Type of Medium: Electronic Resource
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  • 22
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 313 (1985), S. 634-635 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE world around us is highly structured on many different scales. On some scales, we think we understand, or at least can reduce, the problem to basic physics: atoms and molecules follow from quantum electrodynamics, the masses of stars are determined by a balance between thermodynamic presssure ...
    Type of Medium: Electronic Resource
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  • 23
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 311 (1984), S. 608-609 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NOTHING can replace real data from a working scientific experiment. This was the most important lesson to be learned by the participants in the Homestake Neutrino Conference*. Among the questions addressed, for which there either are, or should be such data, were the following. (1) What is the ...
    Type of Medium: Electronic Resource
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  • 24
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 328 (1987), S. 474-474 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE hot interiors of massive stars produce most of the elements heavier than hydrogen and helium (metals to astronomers) that we see around us. Conversely, a star's initial small supply (0.01-4 per cent) of heavy elements is a major determinant of its observable properties and evolutionary history. ...
    Type of Medium: Electronic Resource
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  • 25
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 331 (1988), S. 488-488 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE rate at which supernova explosions occur enters into our models of galactic evolution, interstellar gas dynamics and other phenomena. And the rates we have been using are too big by a factor of about three. So conclude1 van den Bergh, McClure and Evans on the basis of systematic searches for ...
    Type of Medium: Electronic Resource
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  • 26
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 330 (1987), S. 212-212 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NEARLY one-fifth of the extragalactic sky lurks out of sight, obscured by dust and crowded by images of stars in the disk of our own Milky Way. Astronomers, suspecting with Jane Austen's Catherine, that the locked drawer contains more interesting objects than the open ones, have long wished to ...
    Type of Medium: Electronic Resource
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  • 27
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 322 (1986), S. 686-687 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] NEUTRON stars form in supernova explosions, manifest themselves as radio pulsars or X-ray binaries, and fade away as their rotation slows, their magnetic fields decay away and their energy supplies are used up. This basic framework has been accepted for nearly 15 years, so that one might wonder ...
    Type of Medium: Electronic Resource
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  • 28
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 345 (1990), S. 665-666 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Type of Medium: Electronic Resource
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  • 29
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 333 (1988), S. 495-496 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EUROPEAN and American astrophysicists have been in the habit of supposing that their Japanese colleagues are thinking and doing more or less the same things they are, but perhaps a year or so later. At a recent conference* it was made abun-dantly clear that this supposition is badly out of date and ...
    Type of Medium: Electronic Resource
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  • 30
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 293 (1981), S. 186-187 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SUPERNOVAE as a class of astronomical events releasing ^ 1049 ergs in visible light over a year or two were identified and defined by Fritz Zwicky and Walter Baade in 1934. A surprising amount of what they said then remains credible, including the division into Type I and Type II events (due, most ...
    Type of Medium: Electronic Resource
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