Results 321 to 330 of about 342,420 (348)
Mesenchymal-epithelial transition reduces proliferation but increases immune evasion in tumor spheroids. [PDF]
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Proceedings of the thirteenth annual symposium on Computational geometry - SCG '97, 1997
We solve two open problems posed by Goodman and Pollack[GP84] about sets of signed circular permutations (clusters of stars) arising from generalized configurations of points: recognition and efficient reconstruction (drawing). As a biproduct we get an O(n2) space data structure constructible in O(n2) time, representing the order type of a (generalized)
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We solve two open problems posed by Goodman and Pollack[GP84] about sets of signed circular permutations (clusters of stars) arising from generalized configurations of points: recognition and efficient reconstruction (drawing). As a biproduct we get an O(n2) space data structure constructible in O(n2) time, representing the order type of a (generalized)
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1982
Astronomy and Astrophysics were first treated in volume III of the 6th edition of Landolt-Bornstein in 1952, then in volumes VI/1 and VI/2 of the New Series, 1965 and 1981/82 respectively. The present volume VI/3 is a further supplementation of volume VI/1.
Lawrence H. Aller +2 more
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Astronomy and Astrophysics were first treated in volume III of the 6th edition of Landolt-Bornstein in 1952, then in volumes VI/1 and VI/2 of the New Series, 1965 and 1981/82 respectively. The present volume VI/3 is a further supplementation of volume VI/1.
Lawrence H. Aller +2 more
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Star Clusters and Associations
1987Several collections of stars can be picked out in the sky, even with the naked eye. Closer study reveals that they really do form separate clusters in space. Such open star clusters are e.g. the Pleiades in Taurus and the Hyades around Aldebaran, the brightest star in Taurus.
Pekka Kröger +4 more
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Field Stars and Star Clusters in M31 [PDF]
Astrophysics and Space Science, 1999 This review reports on recent results obtained from HST/WFPC2 high resolution observations of field stars and star clusters in the bulge and the halo of the nearby galaxy M31.
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Understanding Stars and Star Clusters
2010Stars are formed from gas and dust compressed together by various forces. Star clusters are formed in several different ways. In what are called open clusters, it is usually the sweeping wave action of the spiral arms of the galaxy thrusting vast stretches of this interstellar material away from the galaxy.
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The Evolution of Star Clusters: Dynamics of Star Clusters. [PDF]
Science, 1986 openaire +2 more sources
The Formation of Star Clusters
American Scientist, 1998Bruce G. Elmegreen, Yuri N. Efremov
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