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  • 11
    Electronic Resource
    Electronic Resource
    Springer
    Scientometrics 48 (2000), S. 403-411 
    ISSN: 1588-2861
    Source: Springer Online Journal Archives 1860-2000
    Topics: Information Science and Librarianship , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract A third cohort of (mostly) young astronomers, who earned their PhDs around a median date of 1994 and who have recently applied for election to membership in the International Astronomical Union from the USA or for tenure-track faculty positions has been added to earlier samples (median years of PhD 1982 and 1962.5), and the samples examined for demographic trends. The three groups are of similar size (304, 269, and 268 astronomers from earliest to latest). The third, youngest, cohort includes more foreign-born and/or trained scientists than either of the earlier ones (about 1/2 vs. about 1/4) and more women (about 15% vs. about 10% for the two earlier groups). The median length of time from BS or BS to PhD, which had lengthened from 4 to 6 years, has apparently leveled off at 6 years. And, compared to the previous "young" sample, the present one includes many more job seekers and many fewer IAU aspirants.
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 302 (1983), S. 289-289 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE uneasy marriage between general relativity and astronomy, solemnized by the biennial series of Texas Symposia on Relativistic Astrophysics, has endured another two years*, although the parties concerned continue to regard many of each others' concerns with tolerant puzzlement. The ...
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 302 (1983), S. 20-20 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALL of us who are old enough to remember will be quite sure that many things are not as good today as they were thirty years ago - tomatoes, the post office, operatic tenors .... The chief exceptions, of course, are the products of industrial research and development, which are all much better. Or ...
    Type of Medium: Electronic Resource
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  • 14
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 300 (1982), S. 315-316 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE halo of our Galaxy is perhaps a bit older, a bit richer in heavy elements, a bit less massive and undoubtedly a bit more complicated than it was before the recent meeting* of the International Astronomical Union in Greece. A typical spiral galaxy, whose most conspicuous component is a ...
    Type of Medium: Electronic Resource
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  • 15
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 317 (1985), S. 116-116 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHICH STARS explode as supernova, and how do they do it? Astronomers have debated these questions since Walter Baade and Fritz Zwicky identified and defined supernovae as a distinct astronomical phenomenon in 1934'. Three recent contributions2 4 seem to have resolved at least one facet of this ...
    Type of Medium: Electronic Resource
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  • 16
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 310 (1984), S. 633-634 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A CLASS of stars characterized by moderate excesses of barium, yttrium, carbon and the rare-earth elements might not seem to present any dramatic feature likely to excite astronomers, but the fact is that the barium stars provide a rare opportunity to see that nucleosynthesis really is taking place ...
    Type of Medium: Electronic Resource
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  • 17
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 310 (1984), S. 542-542 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE scientific information explosion needs no introduction. More journals are publishing more papers by more authors on ever-more-specialized topics than ever before. And, at least within the major American journals of astronomy and astrophysics, there are now also more words per paper than ever ...
    Type of Medium: Electronic Resource
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  • 18
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 306 (1983), S. 115-115 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BINARY stars as a subject of scientific inquiry are, in one sense, very old (ancient and boring, many of our colleagues in extragalactic astronomy would say), having been invented by John Michell1 more than two hundred years ago when he pointed out that the number of close pairs of stars in the sky ...
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 313 (1985), S. 96-97 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] No TWO remnants of the stellar explosions we call supernovae are alike. But the Crab nebula (SN 1054) - complete with 33 msec pulsar and lots of helium, yet lacking the usual rapidly-moving, shock-edged supernova remnant shell - is even less alike than most. New observations, presented at a recent ...
    Type of Medium: Electronic Resource
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  • 20
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 407-408 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DECIDING just how normal or average our star and Galaxy are is of practical as well as philosophical interest. The assumption that ours is a normal galaxy of a particular type is now being used in efforts1 to pin down the extragalactic distance scale, the value of Hubbles's constant and the age of ...
    Type of Medium: Electronic Resource
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