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Galaxy Manifolds and Galaxy Formation [PDF]
, 1992 We 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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Cold streams in early massive hot haloes as the main mode of galaxy formation
Nature, 2008Massive galaxies in the young Universe, ten billion years ago, formed stars at surprising intensities. Although this is commonly attributed to violent mergers, the properties of many of these galaxies are incompatible with such events, showing gas-rich ...
A. Dekel +9 more
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Symposium - International Astronomical Union, 1967
From observations it is deduced that the disk and halo were formed about the same time and that most of the previously gaseous Galaxy became stars then. Dimensional analysis indicates that the flattening of a galaxy is related to its energy,E, angular momentum,H, and mass,M, by the dimensionless number - 2EH2/G5M5.
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From observations it is deduced that the disk and halo were formed about the same time and that most of the previously gaseous Galaxy became stars then. Dimensional analysis indicates that the flattening of a galaxy is related to its energy,E, angular momentum,H, and mass,M, by the dimensionless number - 2EH2/G5M5.
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Galaxy Formation and Evolution
Space Science Reviews, 2016In this chapter, we discuss the current status of observational and computational studies on galaxy formation and evolution. In particular, a joint analysis of star-formation rates (SFRs), stellar masses, and metallicities of galaxies throughout cosmic time can shed light on the processes by which galaxies build up their stellar mass and enrich the ...
Kentaro Nagamine +4 more
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Astrophysics and Space Science, 2002
We investigate the process of galaxy formation as can be observed in the only currently forming galaxies — the so-called Tidal Dwarf Galaxies, hereafter TDGs — through observations of the molecular gas detected via its CO (Carbon Monoxide) emission. These objects are formed of material torn off of the outer parts of a spiral disk due to tidal forces in
Ute Lisenfeld +6 more
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We investigate the process of galaxy formation as can be observed in the only currently forming galaxies — the so-called Tidal Dwarf Galaxies, hereafter TDGs — through observations of the molecular gas detected via its CO (Carbon Monoxide) emission. These objects are formed of material torn off of the outer parts of a spiral disk due to tidal forces in
Ute Lisenfeld +6 more
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Galaxy formation through hierarchical clustering
, 1991Analytic methods for studying the formation of galaxies by gas condensation within massive dark halos are presented. The present scheme applies to cosmogonies where structure grows through hierarchical clustering of a mixture of gas and dissipationless ...
S. White, C. Frenk
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1987
The formation of galaxies from density perturbations is discussed, and it is shown that the Galaxy could have grown from a typical isolated peak in the now-fashionable “cold dark matter” model; most of its properties are correctly predicted by such a model.
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The formation of galaxies from density perturbations is discussed, and it is shown that the Galaxy could have grown from a typical isolated peak in the now-fashionable “cold dark matter” model; most of its properties are correctly predicted by such a model.
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Physics Today, 2015
Together, the Planck and Herschel satellites observed structures that neither could see by itself.
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Together, the Planck and Herschel satellites observed structures that neither could see by itself.
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Formation, Detection, and Function of Oxygen Vacancy in Metal Oxides for Solar Energy Conversion
Advanced Functional Materials, 2022Zhiliang Wang, Rijia Lin, Lianzhou Wang
exaly