Results 111 to 120 of about 154 (146)
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2011
In the hierarchical model, small galaxies form first and merge together into more massive objects. In addition, numerical simulations recently emphasized the role of smooth gas accretion. Using state-of-the-art cosmological hydrodynamical multi-zoom simulations, we studied the formation and evolution of galaxies in a dense environment.
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In the hierarchical model, small galaxies form first and merge together into more massive objects. In addition, numerical simulations recently emphasized the role of smooth gas accretion. Using state-of-the-art cosmological hydrodynamical multi-zoom simulations, we studied the formation and evolution of galaxies in a dense environment.
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Physics Today, 1987
Galaxies are beacons that cosmologists use to chart the universe out to its remotest depths. Yet unlike a lighthouse, built on a sturdy pillar of rock, a galaxy resembles an island of light constructed on quicksand in a continuous state of flux. Galaxies are not isolated objects, but are surrounded by close companions, with whom they often maintain ...
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Galaxies are beacons that cosmologists use to chart the universe out to its remotest depths. Yet unlike a lighthouse, built on a sturdy pillar of rock, a galaxy resembles an island of light constructed on quicksand in a continuous state of flux. Galaxies are not isolated objects, but are surrounded by close companions, with whom they often maintain ...
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Galaxy Manifolds and Galaxy Formation
1992We are witnessing the emergence of a physical classification of galaxies. New methods of inquiry, including multivariate statistical analysis of galaxy manifolds, scaling laws and correlations provide important clues towards understanding the formative mechanisms and evolutionary histories of galaxies.
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Bar Formation by Galaxy-Galaxy Interactions
2004Bar formation process in interacting galaxies is reviewed on the basis of recent numerical simulations. I focus especially on the possible kinematical difference between tidally-induced bars and spontaneous bars: the former spans a wider range in the rotation rate, depending upon the parameters of the interaction as well as the internal structure of ...
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