Abstract -- Abundances of heavy elements decreases with increasing galactocentric distance almost in all disk galaxies. ... To explain this gradient in young objects and in the interstellar gas one has to assume that a typical disk galaxy is an open system, i.e. it expels some synthesized heavy elements into the circumgalactic space and/or accretes intergalactic gas with zero metallicity, with rates of both processes depending on the galactocentric distance. ...

Next: The Evolution of Stars Up: NICMOS Science Previous: A Coronagraphic Search for . ... The NICMOS Parallel program . ... The Stellar Population . ... NICMOS Camera 3 is being used in parallel mode to observe galactic fields at both high and low galactic latitudes. ... Most of the fields are at high galactic latitude; as Figure 1 shows, only 8 pointings are within |b| = 10 o , i.e. the galactic disk. Figure 1: NICMOS parallel fields distribution in galactic latitude. ... Figure 6 ). ...

ПУБЛИКАЦИИ - 2012 год . ... Modeling MHD Shock Wave Propagation Along the Solar Surface, Using Nonlinear Geometrical Acoustics // Energy Storage and Release through the Solar Activity Cycle / Ed. by Christophe M., Nindos A. Berlin: Springer, 2012. ... I. Reconciliation of "EIT Waves", Type II Radio Bursts, and Leading Edges of CMEs // Energy Storage and Release through the Solar Activity Cycle / Ed. by Christophe M., Nindos A. Berlin: Springer, 2012. ... Berlin: Springer, 2012. ... J. 2012. ...

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... University history . ... V.љN. Karazin . ... July, 2016 . New Program: BS in International Relations and Regional Studies . V. N. Karazin Kharkiv National University is pleased to invite future students to apply for a new speciality: BS in International Relations, Social Communication and Regional Studies (educational program International Relations and Regional Studies ) offered by the School of International Economic Relations and Travel Business. ... up until April 2016 . ... 2016?: ...

... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740±50 km/s[][1] 600±30 Mly (183±8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...

... GALAXY: A galaxy is made up of billions or trillions of stars bound together by their own gravity. ... HELIUM (He): The second element in the periodic table, has 2 protons, 2 neutrons, and is a noble gas. ... Helium melts at -272.2 degrees Celsius, and boils at -268.934 degrees Celsius. ... HYDROGEN (H): The first element on the periodic table, is a gas, and has an atomic mass of 1.00794 amu. ... Hydrogen melts at -259.34 degrees Celsius, and freezes at -252.87 degrees Celsius. ...

... The circumnuclear GASEOUS disks are often decoupled from the circumnuclear stellar disks and are even stronger inclined to the outer disk planes; in fact, we have found a considerable `population' of inner polar rings. Inner gas polar rings are found as in spiral galaxies with the massive outer gas disks co-planar to the main symmetry planes (e.g. NGC 2841, Sil'chenko et al. 1997, and NGC 7217, Sil'chenko & Afanasiev 2000) as well in many lenticular galaxies (Fig. ...

. (WEFAX Data) . Russian . For more information send a mail to: info@sputnik.infospace.ru . © 1997-2002 SMIS IKI RAN and RPA "PLANETA" Moscow, Russia.

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Flights Chronology . ... Sea Launch . ... Launches Chronology . ... Land Launch . ... From its headquarters located in the Canton of Bern, Switzerland, Sea Launch AG provides a customer-facing interface for the Sea Launch Zenit-3SL launch system. ... Sea Launch AG contracts directly and exclusively with Energia Logistics Ltd. as its technical partner for the delivery and execution of Sea Launch Zenit-3SL launch services....

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

... Solar Data: f.e. X-ray . Night Sky Live . ... Heavens-Above: Sky chart, Satellites, Iridiums and astronomical objects For Moscow For SAO Baksan . ... ESO-MIDAS page . ... Tutorials for Astronomy . ... Asteroid and Comet Hazard . ... Observable Comets: This page lists links to orbital elements and ephemerides of (potentially) observable comets. ... Leonid page - a lot of information for years Comets and Meteor Showers . The American Meteor Society . ... North American Meteor Network Home Page . ...

Альтернативный форум . Scientific.ru Все форумы . ... profan - 31.01.2004 09:08 . ... ОТО Эйнштейна или школьная физика profan, 31.01.2004 06:40 . ... Re: Ньютон и Гюйгенс Александр Кушелев, 01.02.2004 23:30 . Re: ОТО Эйнштейна или школьная физика Александр Кушелев, 31.01.2004 14:32 . Re: ОТО Эйнштейна или школьная физика Alex P, 31.01.2004 18:33 . ... Re: ОТО Эйнштейна или школьная физика Петрович, 31.01.2004 17:35 . ... Re: ОТО Эйнштейна или школьная физика Geo, 31.01.2004 07:23 . ...

... Sun images . ... September : 2015 . ... Image of Sun's photosphere obtained 09.09.2015 at 23:36 UT with HMI instrument on board SDO spacecraft . ... Image of Sun's magnetic field obtained 09.09.2015 at 23:54 UT with HMI instrument on board SDO spacecraft . ... Image of Sun's transition region obtained 09.09.2015 at 23:36 UT with AIA instrument on board SDO spacecraft . Image of Sun's corona . Image of Sun's corona obtained 09.09.2015 at 23:36 UT with AIA instrument on board SDO spacecraft . ...

... ISC Kosmotras . ... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. ... Dnepr Cluster Mission 2013 19 June 2014. Dnepr Cluster Mission 2014 6 November 2014. ... On June 28, 2007, a converted SS-18 rocket commercially known as Dnepr successfully launched Genesis-2 satellite into its target 550 km orbit inclined 64.5 degrees. ... Dnepr Program operations are under control of the Federal Space Agency of Russia and National Space Agency of the Ukraine. ...

... Home Education Astro Answers Astro Answers ? The Big Bang, Inflation, and Latest Results from BICEP2 . ... Astro Answers . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

The most up-to-date information related to atmos 3.0 are collected here due to constantly increasing interest to MASS/DIMM processing software... atmos 3.0 is still beta , so the latest version is 2.97.5 (there is also 2.98.x branch which absorbs new features) . ... M' line: . ... free seeing and its relative error . ... dimm seeing and its relative error (if dimm data are present, zeros otherwise) . ... dimm turbulence power and its relative error (if dimm data are present, zeros otherwise) . ...

... World Data Center . for Solar-Terrestrial Physics . Moscow, Russia . ... Siberian Solar Radio Telescope, Institute of Solar-Terrestrial Physics, RAS SB, Irkutsk, Russia. ... Data of the Crimean Astrophysical Observatory on the ftp-server of the Solar-Terrestrial Physics Division, National Geophysical Data Center, Boulder, USA. ... World Data Centre for Solar-Terrestrial Physics, Chilton, UK. ... Solar-Terrestrial Physics Division, National Geophysical Data Center, NOAA, Boulder, USA. ...

... Поход в Турцию, 29 октября - 8 ноября 2015 . Поход в Армению, 14 - 29 августа 2015 . Поход в окрестности Нижнего Новгорода, 30 апреля - 4 мая 2015 . ... Поход в Крым, 12-21 октября 2012 года . Поход на Кавказ, 18 июля - 1 августа 2012 года . Поход в Белоруссию, 27 апреля-3 мая 2012 года . Лыжный поход в Ловозерские тундры (Кольский полуостров), 7-18 марта 2012 года . Лыжный поход на Белое море, 1-9 января 2012 года . Поход в Крым, 14-23 октября 2011 года . ...