... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Why most supermassive black holes do not accrete material . ... Implicitly, we will also better understand why most supermassive black holes fail in accreting material. ... 1) Analyse multi-wavelength data for selected galaxies to describe and quantify the different physical phenomena in their centres, and most notably to derive their central supermassive black hole masses....

Our brief introductory notes on optical characterization of media define different optical parameters (including the refractive index, dielectric permittivity, absorption coefficient, reflectance, transmittance) and show their relationship. ... A Postscript version of the remarks is here . ... A brief description of the JPDOC was printed in the A Suppl (the Postscript version of the paper is here ). ...

... Vinay Kashyap and Jeremy Drake . ... We describe a Markov-Chain Monte-Carlo process using a Metropolis algorithm to derive Differential Emission Measures (DEMs) and element abundances from EUV line fluxes. ... These 8 files all use the Ov applet. f1QFlRay.htm - Active Region Emission Measures, Feldman et al. abundances, Raymond ion balances . ... 154, The Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun , eds. R.A. Donahue & J.A. Bookbinder (San Francisco: ASP), 844 . ...

... Developments and characterization of novel oxide materials with high ionic, electronic or mixed conductivity, superior electrochemical and catalytic activity, advanced thermomechanical properties, and enhanced stability in a wide range of operation conditions, and, thus, collection and systematization of new fundamental information important for technological applications of the novel materials; . ...

Nalini Chandra & John Percy, University of Toronto . ... Some works to refer to when using multicultural astronomy in your classroom: . ... Nalini Chandra is a doctoral candidate at the University of Toronto in the Department of Curriculum Teaching and Learning at OISE/UT. ... OISE-University of Toronto . ... John Percy, Professor of Astronomy at the University of Toronto, is a Past President of the ASP, and is active in astronomy education at all levels. ... ASP Multicultural Astronomy Resources . ...

Find The Perfect Gift For Your Favorite Astronomy Nut . Articles | ... If you have an astronomy nerd, nut, or enthusiast on your gift-giving list, you are in luck when it comes to shopping. ... Astronomy is the wonderful science of examining and learning about our universe, and the instruments of observation are telescopes and binoculars. ... The Internet is your shopping mother lode for astronomy-related gifts. ... www.astronomy.net . ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Future seminars . P a s t seminars . Seminar council . Is biochemistry alternative to earth one possible? ... Possibility of existence of life based on biochemical processes different from typical for Earth living organisms is discussing. ... They can be organisms used absolutely different material bases and solvents (i.e. methane life) and living under different physical and chemical conditions (temperature, medium composition)/ These organisms are rather often examining in literature. ...

... a) As source material for the high-school or college curriculum, especially in physics. astronomy and their history. (b) As a source of supplemental projects by high school students or by undergraduates. (c) As material for independent studies, In particular by motivated students who seek to know more about space . ... Those wishing to look up specific topics are advised to use the index file, accessible from the end of any "Exploration" file. ... files not listed and at other resource material. ...

Orbital intersection . ... Structure of Taurid stream . ... Meteoroid swarm and Taurid fireballs . ... The following four diagrams schematically show four different Taurid orbits and the orbits of Earth and Jupiter. ... The Taurid stream contains particles (small, solid grains) at different stages of their precession cycles. ... The study of when a meteor stream can produce a meteor shower is the study of when precession brings orbits to intersection with Earth, or e.g. with Mars . ...

THE PARAMETERS INVOLVED IN HAPKE'S MODEL FOR ESTIMATION OF THE COMPOSITION OF THE EJECTA LUNAR TERRAINS. ... In the previous papers we were estimated the surface roughness of the ejecta lunar terrains by means comparison of the local phase function and the average integrated lunar indicatrix. ... The Hapke's theoretical model of the lunar surface reflection. ... For THE PARAMETERS INVOLVED IN HAPKE'S MODEL: S.G. Pugacheva, V.V. Shevchenko a low-albedo lunar surface parameter Bo = 1. ...

... Previous: The CDS Information Hub . ... While transforming astronomical journals and catalogs to electronic form, we should have in sight two questions: making it easier for the human reader to locate and comprehend information. ... Software technology has applicable ideas for this problem. ... 27 & 42 Information Bulletin on Variable Stars (IBVS) to electronic form -- including about 15000 pages of previous issues, back to 1961, to the present, computer-typeset ones. ...

... The dependence of velocity ellipsoid parameters for various types stars upon theirage was investigated. ... For metal-rich stars ([Fe/H] -0.1) the shape of velocity ellipsoid becomes more spherical with increasing age of the stellar group and it approaches the equilibrium shape. ... По данным uvby -фотометрии, изохронным возрастам и собственным движениям ~3500 F -звезд диска в окрестности 80 пс от Солнца исследованы зависимости параметров эллипсоидов скоростей различных звезд от возраста. ...

. A dark snaking line in the upper right of these images on Sept. 30, 2014, show a filament of solar material hovering above the sun's surface. NASA's SDO captured the images in extreme UV light different colors represent different wavelengths of light and different temperatures of solar material. NASA/SDO

SITE 2010 Comprehensive Characterization of Astronomical Sites Kislovodsk, Russia, 49 October 2010 Conference Summary Marc S. Sarazin*a a European Southern Observatory, Garching, Germany Abstract The main topics discussed during the Site 2010 conference are outlined and the outcome is described. Keywords: Astronomical Site testing, precipitable water vapor, atmospheric turbulence, cloudiness, seeing 1. ... Site surveys for National observatory projects in China, India, and Iran benefit from this. ...

... It has been largely superceded by MatWeb . Conversion Factors . Material properties . Physical constants . Astronomical constants . This table gives conversion factors to convert various units to their SI equivalents. ... The units are SI. This is a short list of physical constants in SI units. ... Boltzmann constant . ... Gas constant . ... Mass . ... Plank's . ... Radiation constant . ... This is a short list of astronomical constants in SI units. ... Sun . ...

... This data were collected by various observatories of former USSR during many years of observations. ... 01-07-90289) , . ... 1997 1995 1971 1966 1976 () 18326 80098 5252 2742 2602 19671995 13560 19661989 12059 134639 25% - 1900 () 75% - 2320 () () () () 2099 365 2100 1600 2200 1922 455 1900 1300 2100 1773 534 1700 1800 2400 2066 485 2100 1600 2400 2012 532 2000 1600 2200 1940 487 1900 1900 2500 2200 390 2200 1671 2302 2002 464 1986 « » , . ... 1000 , , , , . ... 01-07-90289, , , 01-0550, « ». ...

... Programme . ... Presenter: Felix Aharonian (DIAS/Dublin and MPIK/Heidelberg) . Abstract: Recently the HESS collaboration announced the discovery of very high energy -rays from the nearby radiogalaxy Centaurus A. I will describe the results obtained with the HESS array of imaging atmospheric Cherenkov telescopes located in Namibia, and discuss different possible scenarios and sites of -ray production. go back . CSIRO 2009 Legal Notice / Privacy Statement Last modified: 15/11/2010 ...

Iapetus . Saturn VI . Iapetus [eye-AP-i-tus] is one of the stranger moons of Saturn. ... Its leading side is dark with a slight reddish color while its trailing side is bright. ... If the dark material is thin, it must be constantly renewed since a meteor impact would punch through the layer to reveal brighter surface material. The dark material may have originated from Phoebe , which has a very low albedo . ... Orbital period (days) . ... Credit: Calvin J. Hamilton) . ...

... Unknown Dark Material on Mercury . ... 6.07.2009 . ... Credit: MESSENGER , NASA , JHU APL , CIW Explanation: What is that strange material on Mercury? ... Pictured above on the lower right, a large crater -- about 100 kilometers across -- has unusual dark material of unknown composition near its center. ... One origin hypothesis is that the dark material was uncovered from beneath Mercury's surface during the impact that created the surrounding crater. ... Publications with keywords: Mercury . ...

University Satellites and . Space Science Education . ... Space methods in education of ecologists . ... Application of space methods at the decision of environmental problems finds reflection in teaching a lot of disciplines of a geoecological cycle baccalaureate and master degree preparations (geology, geography, landscape, a remote quality monitoring of a condition of an environment etc.) ... Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2005-2006 . ...