منابع مشابه
Abandoned Babies: Examination of Abandoned Babies’ News in Turkey
The aim of this study was to examine stories of abandoned babies’ news published in newspapers in Turkey. In this retrospective descriptive study, infant deaths and abuse stories in newspapers published as Turkish examined. In the 80 news published between 01.01.2013 and 31.12.2014, 88 babies reported. Twenty eight (31.82%) of these babies were abandoned. Of abandoned babies, 25 had died, 23 we...
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Observations in the past decade have revealed extrasolar planets with a wide range of semi-major axes and eccentricities. Based on the present understanding of planet formation via core accretion and oligarchic growth, we expect that giant planets often form in closely packed configurations. While the protoplanets are embedded in a protoplanetary nebula, dissipation prevents eccentricity growth...
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We study the final architecture of planetary systems that evolve under the combined effects of planet-planet and planetesimal scattering. Using N-body simulations we investigate the dynamics of marginally unstable systems of gas and ice giants both in isolation and when the planets form interior to a planetesimal belt. The unstable isolated systems evolve under planet-planet scattering to yield...
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The discovery of close orbiting extrasolar giant planets led to extensive studies of disk planet interactions and the forms of migration that can result as a means of accounting for their location. Early work established the type I and type II migration regimes for low mass embedded planets and high mass gap forming planets respectively. While providing an attractive means of accounting for clo...
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Planet-planet scattering is the leading mechanism to explain the large eccentricities of the observed exoplanet population. However, scattering has not been considered important to the production of pairs of planets in mean motion resonances (MMRs). We present results from a large number of numerical simulations of dynamical instabilities in 3-planet systems. We show that MMRs arise naturally i...
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ژورنال
عنوان ژورنال: Berkeley Scientific Journal
سال: 2014
ISSN: 2373-8146,1097-0967
DOI: 10.5070/bs3191025153