Results 301 to 310 of about 52,179 (329)

The dramatic transition of the extreme Red Supergiant WOH G64 to a Yellow Hypergiant

Munoz-Sanchez G, Kalitsounaki M, de Wit S, Antoniadis K, Bonanos A, Zapartas E, Boutsia K, Christodoulou E, Maravelias G, Soszyński I, Udalski A.   +10 more
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Feedback mechanisms stopping the star formation in a pair of massive galaxies in the early Universe

Pérez-González P, D'Eugenio F, Pino BRD, Perna M, Uebler H, Maiolino R, Arribas S, Lamperti I, Bunker A, Carniani S, Charlot S, Willott C, Böker T, Parlanti E, Scholtz J, Venturi G, Barro G, Costantin L, Navarro IM, Dunlop J, Magee D, Cresci G.   +21 more
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Interacting galaxies and mergers

Nature Astronomy, 2019
Two landmark papers in the 1970s contributed strongly to establishing the importance of galaxy interactions and mergers in the formation and evolution of galaxies, using only gravity, and the ensuing dynamical friction.
Athanassoula, E., Bosma, Albert
openaire   +3 more sources

Interactions and mergers of galaxies

Resonance, 2007
When two galaxies approach each other, we can witness the effects of the tidal forces on a gigantic scale. Peculiar features like galactic bridges and galactic tails may form, or the two galaxies may even merge into each other and form a single system. Merger of two spiral galaxies leads to the formation of an elliptical galaxy.
S M Alladin, S N Hasan
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Interacting galaxies and mergers [PDF]

Astrophysics and Space Science, 1993
A study of the merger time-scales of various types of interacting galaxies is conducted on the basis of the collisional theory. The results indicate that in the absence of halos, violently interacting galaxies merge in a time-scale of ~ 108 years; but the mildly interacting ones have merger time-scales from ~ 109 to 1010 years. However, in the presence
openaire   +1 more source

Transformation of Galaxies by Mergers

2003
The variation of the structural and astrophysical properties of spiral galaxies through the Hubble classification is generally interpreted in terms of an evolutionary sequence. However, the physical mechanisms that could drive this evolution are not fully understood.
C. Scannapieco, P. B. Tissera
openaire   +2 more sources

The Role of Mergers in Galaxy Evolution

Astrophysics and Space Science, 2001
The evolution of galaxies has been driven by galaxy-galaxy collisions on all cosmological time-scales, from the primordial universe to the present. In this context, nearby mergers serve as local analogs to gain insight into the physical processes that lead to the formation and trans-formation of galaxies in the more distant universe.
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Metallaphotoredox: The Merger of Photoredox and Transition Metal Catalysis

Chemical Reviews, 2022
Noah B Bissonnette, Lucas I Frye, Marissa N Lavagnino   +2 more
exaly  

Advances on the Merger of Electrochemistry and Transition Metal Catalysis for Organic Synthesis

Chemical Reviews, 2022
Christian A Malapit, Jaime R Cabrera-Pardo, Min Li   +2 more
exaly  

Cosmological simulations of galaxy formation

Nature Reviews Physics, 2020
Mark Vogelsberger, Federico Marinacci, Paul Torrey   +2 more
exaly