... The best seen visible auroral forms are due to precipitating electrons. ... As typical for diffuse aurora, the proton precipitation is confined to be most often on the equatorward part of the oval. ... When proton aurora occurs at the same local time sector as pulsating (electron) aurora, they are typically located northward from pulsations (e.g., Creutzberg et al., ... Eather, R. H., Auroral proton precipitation and hydrogen emissions, Rev. Geophys., ... Geophys., ... Res., ... 87 , 2481, 1982. ...

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• Far-out Pathways to Space: Great Guns?
• Sun [Oulu]
• The Sun

... Bad Astronomy . ... Mad Science . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... How does the sun produce energy to burn? If we can duplicate this way of producing energy, can we have enough energy to last a long time? ... The Sun produces energy the same way a hydrogen bomb does! ... This is also the way a hydrogen bomb works, except that a bomb does its conversion of hydrogen to helium all at once, while the Sun does it nice and steadily over billions of years. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy

These lamp spectra are compiled from imagestaken during February and June 1996. The images were taken with the newest lamp configuration (lamps pointed down toward closedmirror covers). Spectra listed in boldface were taken throughthe 1.6 arcsec slit. All other spectra were taken through the 1.0arcsec slit. Low Dispersion . High Dispersion . LAMP . BLUE . ... 4400 . 7700 . ... High resolution He spectra can be found on the Old APO LampSpectra page. ...

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• Atlas of APO Lamp Spectra

Georadar and Hydrogen Studies of the Tunguska Meteorite Craters . ... 1 Troitsk Institute for Innovation and Fusion Research, Troitsk, Moscow region, Russia 2 Institute of the Earth Magnetism and Propagation of Radio Waves of RAS, Troitsk, Moscow region, Russia 3 Complex Self-made Surgut Expedition, Surgut, Russia Institute of Computational Mathematics and Mathematical Geophysics of RAS, Novosibirsk, Russia Abstract: . Tunguska meteorite craters were studied during July 7 22, 2009. ...

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• Keywords_193

... 2006; Loeb, 2008) ? CGCG 269-049 HI HII IFUs, Fabry-Perot interferometers ISM Spatial resolution Velocity resolution Ionized gas 1-2 arcsec 10-30 km/s 21 cm radio inrerferometers Neutral hydrogen 10-50 arcsec 2-10 km/s GMRT(Begum et al, 2008) DDO125 HI HI and HII (, , .) IC10, 1613 ( , 2003-2008) NGC 2366 (van Eymeren et al, 2008) NGC 4861 (van Eymeren et al, 2009) H 6-m telescope, SCORPIO/FPI UGC 8508 (SDSS) sion disper ocity gas vel d Ionize HI and HII rotation velocities < HI > : V/>1 ! ...

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• http://hea.iki.rssi.ru/conf/hea2010/Presentations/21/Potehin.pdf
• http://hea.iki.rssi.ru/conf/hea2010/Presentations/21/Suleymanov.pdf

NEWS FEDERATION rus ENCYCLOPEDIA rus HISTORY rus MIR STATION RUSSIAN . ... Cosmonauts. ... Launches . ... Launch Vehicles. ... Space Science . Military Space . ... Launch of Foton-M microgravity research mission on October 15 ended in a disaster due to a foreign piece of metal in Soyuz strap-on booster's hydrogen peroxide pump. ... Foton-M: The First But Not The Last One . ... European gamma-ray observatory was successfully launched by Russian Proton just two days after the Plesetsk failure. ...

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Rocket R-1 . ... Launch mass, kg . ... On April 14 1948 the Government Decree has been enacted on the development of the first rocket to be made of domestic materials and derived from missile A-4 (FAU-2). The rocket was designated as R-1 including its ground support equipment. ... Launch site . ... During pre-launch processing of rocket R-1, the processing operations and equipment were little different from those used to process rocket A-4. ... Official WEB-site of S.P.Korolev RSC Energia . ...

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Natural Satellites Service. Special ephemerides . Ephemerides of the coorbital satellites of Saturn . for infrared observations . ... It is a good idea to use the disk of Saturn to occult or to eclipse the bright ring and to observe the satellites as they pass through superior conjunction. ... The next epoch when these observations are possible arrives in 2013. ... 2020/01/05 – 2020/03/29, . ... 2033/10/10 – 2033/11/22, . ... New observations of Saturn's coorbital satellites” - Icarus. ...

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... Other direction of my work is collection and systematization of all information - parameters and identification charts - concerning close binary systems on late evolutionary stages - the AM Her stars (polars), intermediate polars, symbiotic stars, double white dwarfs and binary pulsars, SU UMa stars. The results of this work was published in Gordon and Breach Publishers ( Cherepashchuk~A.M., Katysheva~N.A., Khruzina~T.S., Shugarov~S.Yu. Catalog of Highly Evolved Close Binary Stars. ...

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Observational Stellar Astronomy . Articles | ... We are made of star stuff" . ... TEMPERATURE OF A STAR: . ... The temperature of a star can be found out easily by simple observations. ... STAR . ... SPECTRAL CLASS: . All the stars in this universe are divided in to spectral classes based on their spectral lines. ... The spectral class of a star and the temperature of a star are related. So the spectral class can be found for a star since we know its temperature. ... www.astronomy.net . ...

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... Authors: David Ehrenreich et al. arxiv:1506.07531 Черная дыра с массой 50000 солнечных в ядре RGG 118 (A ~50,000 solar mass black hole in the nucleus of RGG 118) . Authors: Vivienne Baldassare, Amy Reines, Elena Gallo, Jenny Greene . arxiv:1506.07135 Результаты Планка 2015: XVI. ... Authors: Planck Collaboration . ... Authors: Daniel Jontof-Hutter et al. arxiv:1506.05917 Измерение массы черной дыры в NGC 1097 с помощью ALMA (A Measurement of the Black-Hole Mass in NGC 1097 using ALMA) . ...

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• http://xray.sai.msu.ru/~polar/sci_rev/0710.html
• http://xray.sai.msu.ru/~polar/sci_rev/0502.html

DETERMINATION OF THE HUBBLE CONSTANT FROM THE GRAVITATIONAL STABILITY CRITERION OF THE GASEOUS DISKS, by A.V.Zasov, D.V.Bizyaev. ... Following proposition has been put forward: a total surface density of gas at radius $R_H$, where the mean densities of atomic ($\sigma_{HI}$) and molecular ($\sigma_{H_2}$) hydrogen are equal, corresponds (or proportional to) the critical gas density $\sigma_c$ for gravitational stability of gaseous disk. ...

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Star Life Cycles . ... An animation of a star's life ending in a supernova explosion. to view again reload page . ... Short animation movie with captions of a stars life cycle up to the point where the star could either explode and form a supernova or collapse into a white dwarf or a neutron star. ... The stars live for millions of years, burning hydrogen in their cores. ... In this picture, on the right side, the star ends its life in a huge supernova explosion scattering matter all over the place. ...

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• Cool Stars 10 - J.U. Drake and V. Kashyap: Coronal Metallicity of HR 1099
• Very Low Mass PMS Objects
• Randall Smith Papers

... 295, 2003 H. E. Payne, R. I. Jedrzejewski, and R. N. Hook, eds. Photometric and Astrometric Calibration of the Southern H-alpha Sky Survey Atlas Peter R. McCullough Space Telescope Science Institute, Baltimore, MD 21218 Abstract. The Southern H-Alpha Sky Survey Atlas (SHASSA) is the primary data product of a robotic wide-angle imaging survey of the southern sky at 656.3 nm wavelength, the H-alpha emission line of hydrogen. ... 2001). ...

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• Doing Theoretical Astrophysics With HST's Data Processing Pipeline Software:

Bobylev V.V., Bajkova A.T., 2016, Analysis of the Z Distribution of Young Objects in the Galactic Thin Disk. Astron. Lett., ... Bobylev V.V., Bajkova A.T., 2016, Kinematic Analysis of Solar-Neighborhood Stars Based on RAVE4 Data. ... Bobylev V.V., Bajkova A.T., 2016, The z Distribution of Hydrogen Clouds and Masers with Kinematic Distances. ... Bobylev V.V., Bajkova A.T., 2015, Detection of periodic variations in vertical velocities of Galactic masers. ... Bobylev V.V., 2014, The Gould belt. ...

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• List of publications of V.G. Ivanov
• Публикации

Nonlinear harmonics in plasma. Nonlinear electromagnetic wave in plasma. ... Turbulence spectra. Wave- wave interaction. ... Brillouin back- scattering. Parametric instability. The balance equations. ... Wave- particle interaction in random phase approach. ... Stimulated scattering of waves by particles. Weak turbulence processes. Inverse energy cascade in plasma. ... Inverse scattering method. ... Nonlinear Schrodinger equation. ... Strong nonlinear 3- wave interaction. ...

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• Theoretical Astrophysics

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Ноябрь 2003 . ... I recently read an article that I found initially disturbing, but after reading the information on this site regarding the sun, I feel much more calm. ... A few people have requested more information about the temperature of the sun. The temperature at the center of the sun is about 16 million degrees Kelvin (27 million degrees Fahrenheit), as stated in the article. ...

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• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 11 февраля

Stochastic Models of Hot Planetary and Satellite Coronas . ... Shematovich, V.I., Bisikalo , D.V., and Gerard, J.-C. Nonequilibrium Processes in the Planetary and Cometary Atmospheres: Theory and Applications , Dordrecht : Kluwer Academic, 1997. ... Res. ... Shematovich, V.I., Bisikalo , D.V., and Gerard, J.-C. A Kinetic Model of the Formation of the Hot Oxygen Geocorona . ... Shematovich, V.I., Bisikalo , D.V., and Gerard, J.-C. A kinetic model of the formation of the hot oxygen geocorona . ...

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• Project: Ca

... Under certain conditions, like those in the nucleus of a QSO, all atoms can be made to emit light at particular wavelengths. ... If that source is approaching the observer, the wave is squashed up onto itself making the wavelength shorter. ... This is redshift. ... You can see how the section of the QSO spectrum which we observe changes with redshift. ... We then see how far we had to slide the observed spectrum along the scale to make it match and that is the objects redshift. ... The 2QZ team . ...

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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 Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

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• http://www.aaa.org/s932/images/09fallclass3.pdf