... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

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The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

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... 172 ] Briefly, the count rate at the detector from a source at a redshift z is . ... Figure 55 shows the ``Green functions'' for the double compact binary merging rate   evolution assuming no collapse anisotropy. ... Another way that diverse peculiarities in the - distribution induced by the sources evolution could arise is connected with a possible non-monotonic character of the star formation rate in galaxies. ... 22 ] Figure  56 shows two-dimensional cuts through the parameter space. ...

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• Cosmic Rays and Evolution of Binary Systems
• Evolution of the double neutron star merging rate and the cosmological origin
• The Scenario Machine: Operational Guide

Welcome to the Starburst and Galaxy Evolution website.

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• The Evolution Of Low Luminosity Galaxies And Faint Blue Galaxies Mini-Workshop
• Our group
• The Formation and Evolution of Planetary Systems: First Results from a Spitzer

BSc thesis "Metallicity Gradients of Elliptical Galaxies", 1997, Univ. of Tokyo . MSc thesis "Low-Metallicity Inhibition of Type Ia Supernovae and Galactic and Cosmic Chemical Evolution", 1999, Univ. of Tokyo . PhD thesis "Formation and Chemodynamical Evolution of Galaxies", 2002, Univ. of Tokyo . ... Cosmic SFRs, chemical evolution, mass-dependent galactic winds, and the mass-metallicity relation of galaxies are reproduced (Kobayashi, Springel, White 06). ... What are dwarf galaxies? ...

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• COALA - Computational Astrophysics Laboratory
• CHIAKI's Introduction
• CHIAKI's Presentations

... Galaxy Evolution home . ... Regulating the ISM and star formation . Cosmological evolution of star-forming galaxies . The origin and evolution of radio sources . Radio sources and their environments . ... Observations of the local Universe clearly demonstrate that very active star formation phases (starbursts) are often associated with interacting and merging galaxies and that in these systems much of the short wavelength emission is absorbed by dust and re-emitted in the IR. ...

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• Galaxy Evolution: Radio sources and their environments
• Astrophysics Group Galaxy Formation and Evolution
• Galaxy Evolution: Regulation of the ISM and Star Formation

... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Late Stages of Stellar Evolution . Welcome to the home page of the Late Stages of Stellar Evolution" We are a research group which operates within the Astrophysics Group of the Australia Telescope National Facility. ... To investigate the late stages of stellar evolution and in particular the role of stellar mass-loss in the evolution of asymptotic giant branch stars, proto-planetary nebulae and extremely massive stars. ...

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• Southern Cross Astrophysics Conference Series
• Studying Galaxy Evolution: A Galaxy Zoo Conference
• WALLABY - the ASKAP HI All-Sky Survey

... Baffled, you turn to the waiter. ... The waiter smiles. ... Some prefer small stars while others insist that the larger they are the better they are. ... Of course," he adds, sensing your concern, "you are the guest of Chez Stella. ... Immediately you hear the "tock... tock... tock" of the stopwatch, and you gaze deep into the distant star. ... You hadn't noticed before, but it is giving off vast symmetric clouds of what looks like smoke or dust hanging in the space around the beautiful star. ...

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• ASP: Good Astronomy Activities on the WWW
• ASP: Cosmology: The Origin, Evolution & Ultimate Fate of the Universe
• ASP: An Ancient Universe - Changes in Stars

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The S un Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic ... Low mass stars live and die differently than high mass stars. ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The rates of type Ia supernovae from double degenerate mergers channel in different star formation models (left panel), and the rate contribution function to the present-day ( t disc = 10Gyr) supernovae rates in the thin disc (right panel). ... We have compared the impact of different star-formation models on the rates and numbers of DDs and on the rates of type Ia (SNIa) and core-collapse supernovae (ccSN). ...

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• Serendipitous Discovery of a Double Helium-rich Subdwarf
• EVOLUTION MODELS
• The Chemical Evolution of FGSge

... A model for the chemical evolution of a disk galaxy is presented. The model reproduces all the basic . ... investigations of the star formation history. ... the galaxyЫand incorporating a delay in the onset of star formation make it possible to model different scenar- . ios for the evolution of a galaxy's luminosity. ... evolution of massive galaxies. ... of reconstructing the star-formation history and galactic luminosity from observations of galaxies at different . ...

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• Home page of Dmitri Wiebe
• Publications of Dmitri Wiebe
• Future of the Galaxy

... 2007 March 5 . Illusion and Evolution in Galaxy Cluster Abell 2667 . ... Explanation: What's happening to the galaxies of cluster Abell 2667? ... To start, most of the yellowish objects in the above image from the Hubble Space Telescope are galactic members of a massive cluster of galaxies known as Abell 2667 . ... Light from this galaxy is gravitationally lensed by Abell 2667, appearing much like a distant person would appear through a wine glass. ... About APOD | ...

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• APOD: 2012 March 20 - Evolution of the Moon
• APOD: 2004 December 30 - M81 and M82: GALEX Full Field
• APOD: 2014 May 12 - Illustris Simulation of the Universe

... The HI - Star Formation Connection . ... Coffee . ... Dark Galaxies and Dark Matter . ... HI in Normal Galaxies . HI and Galaxy Evolution over Cosmic Time . ... How Galaxies Accrete Gas . ... The Billion Galaxy Survey . ... Searches for Dark Galaxies . ... Evidence for Dark Matter in Galaxies . HI in Galaxies: Overview . ... Open Questions in Normal Galaxies . ... Starburst galaxies and BCDs . ... HI Rich Galaxies . ... Open Questions in HI and Galaxy Evolution . HI and Galaxy Evolution . ...

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• The Evolution of Galaxies Seen Through The Neutral Hydrogen Line The Evolution
• E-ALFA at IAU Symposium 244

... WORKSHOP "STELLAR ATMOSPHERES" . THE CHEMICAL AND DYNAMIC EVOLUTION OF STARS AND GALAXIES" . ... Chernomorka , Odessa , Ukraine . ... Modeling and interpretation of the stellar spectra of the usual and peculiar stars. Elemental abundances in the stars of different types and populations of the Galaxy. Chemical evolution of the stars and galaxies. ... Andrievsky S.M. (OAO ONU, Odessa, Ukraine) . ... CHEMICAL and DYNAMIC EVOLUTION STARS and GALAXIES" . ... Odessa mailto:astro@paco.odessa.ua . ...

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There are still many open questions on galaxy formation and evolution, such as e.g. the predominance of hierarchical or monolithic processes in the galaxy formation or the temporal evolution of disk metallicity gradients. ... Chemical abundances of stellar populations of different ages are essential to constrain the past history of nearby galaxies, both in terms of their past metal contents and of SFHs. ...

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• Deadlines - IGM@50: Is the Intergalactic Medium driving Star Formation? - June
• Dust evolution across the CO snowline in a protoplanetary disk
• Formation and Early Evolution of Intermediate-Mass Stars

Understanding the early phases of assembly and formation of galaxies is a challenge. ... The IAU symposium 317 at the XXIX IAU GA in 2015 will take place at the verge of a revolution that is brought about by the availability of unprecedent new data, provided by the Gaia satellite, space telescopes (HST, Spitzer) and by a number of large ground-based spectroscopic and photometric surveys of the Milky Way, M31 and external galaxies. ...

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• ESO - Research Area: STELLAR STRUCTURE AND EVOLUTION
• ESO - Thesis Topic: ALMACAL: the evolution of the molecular gas in galaxies
• ESO - PhD Thesis Topics offered by ESO Faculty Members

Galaxy formation and evolution in cosmic voids . ... Pustilnik S.A. (SAO RAS) - head. ... Perepelitsyna Y.A., Pustilnik S.A., Kniazev A.Y., "Study the evolution of galaxies in the near void Lynx-Cancer", abstracts in Russian conference "Galaxies", Essentuki, 24-27.11.2014 . ... Safonova E.S., Pustilnik S.A., Kniazev A.Y., "The study of the evolution of galaxies in the Eridanus Void", abstracts in Russian conference "Galaxies", Essentuki, 24-27.11.2014 . 19 December 2014 ...

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• The PRAO survey at 102 MHz
• SAO: group Physics and Evolution of Galaxies home page
• "Structure" publications in 1996 year

The stars evolution is a change with a caurse of time the physical characteristics and the cemical composition of the stars. The stars evolution on the base of physical characteristics composition is investigated when the stars are at the different steps of evolution. ... The star evolution is going in the compact double star system in its own ways. Back . ...

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A very important stage in a story of formation of any new science is the shift from discussion of situation which are possible but do not occur in practice due to some reason to recognition of real phenomena of interest. ... We suggest to consider computer viruses as this new specific form of life which is coming in the contact with our form of life. ... Computer life has been created by human being, the role of independent evolution of computer viruses seems to be still negligible. ...

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• Scientific activity

... The obtained results lead to the following conclusions: a) the heavy element enrichment had taken place in the Galaxy in a few bursts of its activity rether than in a continuons manner; b) these bursts occured during the callapse of the early Galaxy; c) the star formation had been inhibited in the time of the bursts; d) the metal enrichment did not proceed in the periods of star formation, between these bursts of activity. ...

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• Vladimir Marsakov Publication List
• Scientific Directions Achievements