Astronomy Picture of the Day . The Hydrogen Clouds of M33 . ... 26.12.2013 . ... Lemmon SkyCenter , U. Arizona Explanation: Gorgeous spiral galaxy M33 seems to have more than its fair share of glowing hydrogen gas. ... Its inner 30,000 light-years are shown in this telescopic galaxy portrait that enhances the reddish ionized hydrogen clouds or HII regions . ... December 2013 . ... Publications with keywords: hydrogen - HII region . Publications with words: hydrogen - HII region . ...

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• A Sky Full Of Hydrogen
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• Hydrogen in M33

. Next: Optical identifications Up: Distances Previous: Timing parallax . љ . Distance determined for > 50 pulsars . Main method of calibrating DM distances . Requires a model of the Galactic rotation . Compare structure in absorption and emission . Gating on the pulsar helps to extract the weak absorption signal . љ љ . Figure 15: Hydrogen 21cm line spectra. From Lyne & Graham-Smith 1990 [ 23 ] . Jon Bell . Thu Dec 19 15:15:11 GMT 1996

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• Neutral and ionised hydrogen in NGC 4214
• Galactic Plane Hydrogen Gas
• Large Magellanic Cloud in Neutral Hydrogen

... Amorphous carbonaceous materials can show a great diversity of optical properties due to the variability in their microstructure. ... The differently pyrolized celluloses are representative for a suit of carbonaceous material ranging from strongly disordered (insulating) to graphitized (conducting) material. Figure: Complex refractive index of hydrogenated amorphous carbon prepared by pyrolysis (annealing) of cellulose at different temperatures. ...

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... August 28, 1998 . Hydrogen Trifid . ... Explanation: Clouds of glowing hydrogen gas mingle with dark dust lanes in the Trifid Nebula , a star forming region in the constellation Sagittarius. In this and other similar emission nebulae , energetic ultraviolet light from an embedded hot young star strips electrons from the surrounding hydrogen atoms . ... It shows those regions with substantial emission from atomic hydrogen . ... Tomorrow's picture: Star Colors . ... About APOD > . ...

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• APOD: 2000 January 11 - The Rosette Nebula in Hydrogen, Oxygen, and Sulfur
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• NGC 6334 I (Abstract)

... A group of hydrogen-deficient giants with spectra similar to RCBs show no RCB fading events. ... Two, MVSgr and DYCen, are B-type helium-rich giants and are very similar to a group of about twenty `extreme helium stars', A- and B-type stars with weak or no Balmer lines, strong neutral helium and ionized carbon lines. ... A more active B-type helium star, V348Sgr shows strong emission lines at all times, and has a surface carbon abundance of by numbers. ... FGS GE may be a new-born RCB star. ...

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• Hydrogen-deficient carbon stars
• Hydrogen-deficient central stars of planetary nebulae
• OTHER HYDROGEN-DEFICIENT STARS

Detector of hydrogen isotopes (ISIV) . ... Measurements of hydrogen isotopes content in surface layer of a solid (provided that the content is more than 0.01 %). ... Content of hydrogen isotopes of a sample is measured by nondestructive technique of direct measurements in the surface layer. ... Measurable hydrogen isotopes content   ~0.01 wt. ... Area surface of sample                                         ~10 cm 2 . ... G. Dolnikov +7(495)333-25-66, ggd@iki.rssi.ru . ...

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FEATURES OF THE HYDROGEN DISTRIBUTION AROUND LUNAR CRATERS PROCLUS AND KEPLER. ... In result of analysis of the data Lawrence and Feldman constructed the hydrogen distribution on the lunar surface [1]. ... However, the authors shown, that EN flux data features may be explained by other element abundance in the lunar soils, namely: Si, Ca, Gadolinium (Gd), Samarium (Sm) and Fe. ... Using of the Feldman's interpretation of the Lunar Prospector data [8], we constructed hydrogen distribution map (Fig.1). ...

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• http://selena.sai.msu.ru/Pug/Publications/Pugacheva%20LPS%2041.pdf

. предыдущая . вверх . следующая . pp-цепочки . CNOF-цикл . NeNa и AlMg циклы . предыдущая . в начало . следующая .

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• Ne and Al cycles of hydrogen burning
• Solar photosphere mixtures for equation of state and opacities
• Thermodynamics over the Web

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• Molecular Hydrogen in Distant Galaxy | ESO
• Molecular Hydrogen in Distant Galaxy | ESO United States
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Красная планета и огненное Солнце . КОСМИЧЕСКАЯ ГАЛЛЕРЕЯ: МАРС и СОЛНЦЕ . Исследование Солнечной Системы - Космическая Галерея . ... На главную . Исследование Солнечной Системы - Любительские наблюдения Солнце . ... Любительские наблюдения Солнце . ... Телескоп с hydrogen-alpha фильтром, астроном любитель . ... 2005 - , Проект "Исследование Солнечной системы" . ...

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... Star Atlas . ... stars . ... Nuclear fusion of hydrogen into helium powers stars, but fusion requires a lot of energy. Where does this energy come from? ... You re in good company: This question also stumped the physicists who first tried to understand nuclear fusion in stars. In a star s core, all atomic nuclei have been separated from their electrons, so each hydrogen atom is really just a proton and thus holds a positive charge. ... Get instant access to subscriber content on Astronomy.com! ...

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• Adding color to Hydrogen-alpha, part 2 | Astronomy.com
• River of hydrogen flowing through space seen with Green Bank Telescope |

. This page uses PanoJS3

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... High-pressures experiments are mostly aimed at studying phase transformations in solids, synthesising new phases and studying their composition, crystal and magnetic structure, physical and thermodynamical properties. ... The specific feature of investigations at LHPP that distinguishes it from most other high-pressure laboratories is combining in situ measurements with studies at ambient pressure of new high-pressure phases fixed by quenching to liquid nitrogen temperature. ...

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An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . ... b) The Age of the Oldest Stars . The Sun The Sun and other stars shine by converting superheated hydrogen in their centers into helium in a process called thermonuclear fusion. ... In this way, we can measure the ages of certain stars. ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...

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• ASP: An Ancient Universe - The Age of the Chemical Elements
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Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Stars . ... Space Flight . ... New observations with the European Southern Observatory (ESO)тАЩs Very Large Telescope of some of the most distant galaxies ever detected are revealing the mysteries of this important phase of the early Universe. ... These powerful instruments are essential for exploring this early period in cosmic history as they alone can enable the accurate observations of €аthese extremely distant and faint galaxies. ...

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• Following a rainbow back to the Big Bang | Astronotes

... The engine operates with all three propellants (lox, kerosene, hydrogen) in the booster mode (mode 1) and transitions to bipropellant operation (lox, hydrogen) for the latter portion of the trajectory (mode 2). ... In mode 1 operation the hydrogen enhances the combustion of the kerosene to provide to tripropellant specific impulse levels higher than obtainable with separate combustion of the fuels. ... mode 1) . ... DASA, Munchen, February 1994, приведены следующие параметры двигателя РД-701 : . ...

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... 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. ...

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• Galaxy sector, archive 1998
• V1494
• Galaxy sector, archive 2001

Scientific results of the work of Laboratory of Radio Spectroscopy : . In presented messages outlined the results of scientific researches conducted by the stuft of LRS. ... Interaction of the Supernova Remnant S 147 with the Ambient Interstellar Gas . ... The spatial power spectra of galactic neutral hydrogen at high galactic latitudes . Properties of the interstellar gas clouds . ... Scaling relations and intrinsic motions in the interstellar neutral hydrogen clouds . ...

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• Results scientific researchs 2
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... Submitted by Al Takeda on 07/13/2012 10:35:53 . Sunspot 1515 in Hydrogen Alpha . This naked eye sunspot region was taken with John Blomquist’s double-stacked hydrogen alpha filter system on a customized Televue 102i refractor and my color Philips ToUcam webcam and G-11 mount. ... The brighter areas in the center region show Field Transition Arches which are areas of opposite magnetic polarity. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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