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    Publication Date: 2011-02-05
    Description: The very first stars to form in the universe heralded an end to the cosmic dark ages and introduced new physical processes that shaped early cosmic evolution. Until now, it was thought that these stars lived short, solitary lives, with only one extremely massive star, or possibly a very wide binary system, forming in each dark-matter minihalo. Here we describe numerical simulations that show that these stars were, to the contrary, often members of tight multiple systems. Our results show that the disks that formed around the first young stars were unstable to gravitational fragmentation, possibly producing small binary and higher-order systems that had separations as small as the distance between Earth and the Sun.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clark, Paul C -- Glover, Simon C O -- Smith, Rowan J -- Greif, Thomas H -- Klessen, Ralf S -- Bromm, Volker -- New York, N.Y. -- Science. 2011 Feb 25;331(6020):1040-2. doi: 10.1126/science.1198027. Epub 2011 Feb 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Theoretische Astrophysik, Zentrum fur Astronomie der Universitat Heidelberg, Albert-Ueberle-Str. 2, 69120 Heidelberg, Germany. pcc@ita.uni-heidelberg.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21292936" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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