Красное смещение . ... Спектр ) линии химических элементов оказываются смещенными от своего положения в красную сторону в спектрах внегалактических объектов . Величина космологического красного смещения прямо пропорциональна расстоянию до объекта. ... Закон Хаббла, связывая величину красного смещения в спектре электромагнитного излучения объекта с расстоянием до него, позволяет это расстояние определять. ... В космологии принято указывать расстояния до объектов именно в шкале их красных смещений. ...

... После выгорания водорода в центральной зоне у звезды образуется гелиевое ядро в котором не идут ядерные реакции и звезда сходит с главной последовательности. Гелиевое ядро звезды будет продолжать сжиматься и температура на его границе поднимется, что приведет к началу ядерной реакции горения водорода в тонком слоевом источнике вокруг ядра. ... В то время, как ядро звезды будет сжиматься и нагреваться, оболочка наоборот будет расширяться, охлаждаться и становится конвективной. ... R*/R sun . ...

... Звезды: их строение, жизнь и смерть . ... После выгорания водорода в центральной зоне у звезды образуется гелиевое ядро в котором не идут ядерные реакции и звезда сходит с главной последовательности. Гелиевое ядро звезды будет продолжать сжиматься и температура на его границе поднимется, что приведет к началу ядерной реакции горения водорода в тонком слоевом источнике вокруг ядра. ... R * /R sun . 0.17 (конв. ядро) . ... конец горения водорода . ... масса M/M sun . ... Звезды . ...

... ESO, the European Southern Observatory . ... ESO . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... ESO 3.6-metre telescope . ... Sketch of the structure of a pulsating red giant, as derived by the recent interferometric study on S Orionis. The environment around the parent star is made up by three main components : a molecular shell (inner red layer), a dust shell (outer red layer) and a maser shell (red and green speckles). ... Milky Way : Star : Evolutionary Stage : Red Giant . ...

... Development of Ideas of Structure and Evolution of Stars. Integral Features of Stars, Which Determine Their Structure, Direction and Rate of Evolutuion. ... Connection between Potential and Thermal Energy of Star. ... Structure of a Main Sequence Star. Features of Massive Stars Evolution on the Main Sequence. Internal Structure of the Sun. ... White Dwarfs, Their Features. ... Evolution from the Main Sequence of Massive Stars. ... Evolution of Small Mass Stars till White Dwarfs Sequence. ...

In this artist's impression, the structures of a solar-like star and a red giant are compared. The solar-like star's interior is divided into three distinct zones: The uppermost is the Convective Zone, where energy is transported upward by streams of gas. The Radiative Zone extends to the core; here, energy is transported outward by radiation. ... In red giants, the Convection Zone is much larger, encompassing more than 35 times more mass than in the Sun. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2001 July 24 . The Red Spider Planetary Nebula . ... HST , ESA , NASA . ... The Red Spider Planetary Nebula shows the complex structure that can result when a normal star ejects its outer gases and becomes a white dwarf star. ... The Red Spider Nebula lies toward the constellation of Sagittarius . ... About APOD | ... NASA Technical Rep.: ...

... Therefore, PAH dications deserve further study as potential carriers of the ERE. Based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS5-26555. These observations are associated with program 9471. ...

... Next: Cheating Poisson: A Up: Statistical Analysis Previous: Spatial Models and . ... The spatial distribution of stars in the Local Group dwarf irregular galaxy NGC 6822 has been studied, using recent positions and deep photometry for about 15,000 stars in the galaxy. Based on photometrical data, OB stars and red stars could be studied separately. Spatial statistical tools have been applied to the analysis of the spatial structure. ... Figure: Model selection by the aid of CAIC . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. January 6, 1998 . The Red Spider Planetary Nebula . ... WFPC2 , HST , NASA . Explanation: Oh what a tangled web a planetary nebula can weave. The Red Spider Planetary Nebula shows the complex structure that can result when a normal star ejects its outer gases and becomes a white dwarf star . ... About APOD > . ... NASA Technical Rep.: ...

... A proposal for a possible organizational structure has been put forward, summarized in the accompanying diagram and governed by the rules below. ... Proposed rules for the structure are: . ... Steering committee comprised of three people who are voted in by all active consortium members. The chair of the steering commitee rotates every six months. ... The leader of each comittee is elected by vote from the active members of that comittee. ... All active members will be allowed to vote. ...

... Find the three stars of his belt and follow the line they make up the sky and you will meet Aldebaran, the brightest star in Orion?s neighbour, Taurus the Bull . ... A K5 III red giant about 350 times as luminous as our Sun, it appears as a red-orange magnitude 0.9 object in our sky. ... The name Aldebaran is derived from the Arabic for тАШthe FollowerтАЩ as the ancient Muslim astronomers saw it as trailing behind the Pleiades star cluster across the sky. ... Posted April 2, 2014 at 8:03 PM . ...

... Australia Telescope Compact Array Radio Imaging of the Proplyd-like Objects in the Giant HII Region NGC 3603'' . M?cke, A., Koribalski, B.S. , Moffat, A.F.J., Corcoran, M.F., Stevens, I.R. 2002, ApJ 571, 366 . ... Brenneman, L., Corcoran, M.F., Moffat, A.F.J., Marchenko, S.V., Ptak, A., Skalkowski, G., Mushotzky, R., Stevens, I.R., Mueke, A., Koribalski, B.S. , et al. ... Physical Properties of visual counterparts to X-ray sources in the giant HII region NGC 3603'' . ...

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ASTR 3007 - STELLAR PULSATION COMPONENT P e ter W o o d Research School of Astronomy & Astrophysics TOPICS COVERED · Main types of variable stars · Linear adiabatic pulsation theory => periods of pulsation · Linear non-adiabatic pulsation theory => stability - will a star pulsate? ... Here we see Cepheids and long-period variables (LPVs) (movies from Hartman: http://cfa-www.harvard.edu/%7Ejhartman/) WHY STUDY VARIABLE STARS? ... What could cause the pulsation period to vary from star to star? ...

... As a result of BTA observations of 23 chemically peculiar stars with strong magnetic fields, it was found that in 22 of them the longitudinal magnetic field, measured from the hydrogen line cores are considerably lower (by about 1/3) than the value measured from metal lines in the same spectra. ... New approaches need to be developed in order to interpret the data. ... The Zeeman spectrum of a star with a strong magnetic field, 53 Cam. ...

We examine spectral time series of coronal line Mg IX 368 ? and transition region line O V 629 ?, observed with the Coronal Diagnostic Spectrometer (CDS) onboard the SOHO spacecraft. Primarily we were looking for intensity and velocity oscillations in polar plumes, however by chance we detected a giant macro-spicule at the limb and were able to follow its dynamical structure. ... The emission is also detected from the macro-spicule in the Mg IX 368 ? ... line. ...

arxiv:1210.6132 Структура в основании джета сверхмассивной черной дыры в М87 (Jet Launching Structure Resolved Near the Supermassive Black Hole in M87) . Authors: Sheperd S. Doeleman et. al. arxiv:1210.3030 Неожиданно большая потеря массы во время тепловой пульсации красного гиганта R Скульптора (Unexpectedly large mass loss during the thermal pulse cycle of the red giant R Sculptoris!) ... миниобзор arxiv:1210.1320 Три загадки в ядерной астрофизике (Three Puzzles from Nuclear Astrophysics) . ...

Our publications in 2006 year Ekta; Chengalur, Jayaram N.; Pustilnik, Simon A. Monthly Notices of the Royal Astronomical Society, Volume 372, Issue 2, pp. ... 10/2006) . Chengalur, Jayaram N.; Pustilnik, S. A.; Martin, J.-M.; Kniazev, A. Y. Monthly Notices of the Royal Astronomical Society, Volume 371, Issue 4, pp. ... Pustilnik, S. A.; Ekta; Kniazev, A. Y.; Chengalur, J. N.; Vanzi, L. Triggered Star Formation in a Turbulent ISM, International Astronomical Union. ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... Flights Chronology . ... ISS Russian Segment . ... News . ... The team of RSC Energia treasure the memory of space pioneers who dedicated their lives to the development of rocket and space technology and the exploration of space. ... Contribution of RSC Energia to the Russian Rocket-Space Technology . ... 2015 JSC "S.P. Korolev RSC "Energia" . ...