... 18.02.2011 . ... Credit Copyright: J-P Mets vainio ( Astro Anarchy ) Explanation: Cast off by dying sunlike stars, planetary nebulae are a brief but glorious final phase of stellar evolution. ... Shining in the cosmic night, their simple symmetries are fascinating and have inspired this planetary nebula poster project . ... Publications with keywords: planetary nebula - stellar evolution - gas . Publications with words: planetary nebula - stellar evolution - gas . ... Planetary Nebula PK 164 31 . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2011 February 18 . Planetary Nebula Project . ... Explanation: Cast off by dying sunlike stars, planetary nebulae are a brief but glorious final phase of stellar evolution. ... Shining in the cosmic night, their simple symmetries are fascinating and have inspired this planetary nebula poster project . ... About APOD | ...

... 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. ...

... 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. ...

home education > project astro . SEARCH ASP SITE: Match ALL words Match ANY word . ... Astronomy from the Ground Up . Project ASTRO? ... Publications & Materials . ... Universe At Your Fingertips . Universe At Your Fingertips TOC . Universe At Your Fingertips Activities TOC . ... The Universe at Your Fingertips 2.0 DVD-ROM . ... Project ASTRO How-To Manual (included on the UAYF 2.0 DVD-ROM above) . Project ASTRO Introductory Video (included on the UAYF 2.0 DVD-ROM above) . ...

. Project info . The aims of the projects . Planetary Nebulae of Milky Ways . Milky Way's PNe: references . PNe in Magellanic clouds . MC's PNe: references . Our publications

... Astrophysics Group . ... Galaxy Formation and Evolution . ... Gas heating and outflows driven by accreting supermassive black holes (quasar phase) may affect the evolution of star formation in their host galaxy. ... The starburst galaxy M82, which expels dust and metal enriched gas out of its disk . ... The interstellar medium (ISM) plays a central role in galaxy evolution, providing the fuel for star formation and also hosting the ?fossil record? of the galaxy formation history. ...

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. ...

... B. Vicini, A. Natta, A. Marconi, L. Testi, D. Hollenbach, B.T. Draine . 1998, A&A, in press . ... 1998, ApJ, in press . ... L. Testi, F. Palla, A. Natta . ... Francesco Palla . 1998, The Physics of Star Formation and Early Stellar Evolution, eds. C.J. Lada and N. Kylafis, in press . ... 1998, in "The Molecular Astrophysics of Stars and Galaxies - A Volume Honouring Alexander Dalgarno", edited by T. W. Hartquist and D. A. Williams, Oxford University Press, in press . ... Star Formation Group . ...