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Primordial Rotating Disk Composed of ≥15 Star Forming Clumps at Cosmic Dawn

Fujimoto S, Ouchi M, Kohno K, Valentino F, Giménez-Arteaga C, Brammer G, Furtak L, Kohandel M, Oguri M, Pallottini A, Richard J, Zitrin A, Bauer F, Boylan-Kolchin M, Dessauges-Zavadsky M, Egami E, Finkelstein S, Ma Z, Smail I, Watson D, Hutchison T, Rigby J, Welch B, Ao Y, Bradley L, Caminha G, Caputi K, Espada D, Endsley R, Fudamoto Y, González-López J, Hatsukade B, Koekemoer A, Kokorev V, Laporte N, Lee M, Magdis G, Ono Y, Rizzo F, Shibuya T, Shimasaku K, Sun F, Toft S, Umehata H, Wang T, Yajima H.   +45 more
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The Evolution of Disk Galaxies

Symposium - International Astronomical Union, 1978
The past decade has witnessed dramatic changes both in our conceptual models of disk-system formation and evolution and in the power of new observational techniques to confront, challenge, and redefine these models. In this contribution, we would like to review recent optical wavelength studies of spiral and SO galaxies which appear to influence our ...
Stephen E. Strom, Karen M. Strom
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Galaxy Evolution: An Overview

Astrophysics and Space Science, 2002
We review recent ideas on the evolution of galaxies. Two models are competing to explain the observational features: the monolithic model in which galaxies assemble at high redshift, and evolve with little influence from the environment, and the hierarchical model in which small galaxies progressively assemble to form bigger objects.
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The Evolution of Galaxies [PDF]

Publications of the Astronomical Society of the Pacific, 1959
spiral structure is rather more open. In Sc nebulae the nucleus is very small, becoming quite inconspicuous in type Sc+. The spiral arms are very loosely wound and have a patchy structure due to the presence of supergiant stars and emission nebulae.
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Evolution of Clusters of Galaxies

Publications of the Astronomical Society of Japan, 1993
Abstract We have investigated the evolution of clusters of galaxies using direct N-body simulations in which each galaxy is modeled by many particles. We found that the positive correlation between the masses and the distances of galaxies from the center of a cluster develops as the result of perturbations due to close encounters with ...
Junichiro Makino, Yoko Funato, Toshikazu Ebisuzaki   +2 more
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