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... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Mars . ... Advertiser Links . ... Sky this Month . ... The Sky This Week: April 1 - 10 . ... Site of martian lakes might have been linked to ancient habitable environment . ... Existing salt deposits and sedimentary structures of possible emplacement within martian paleo-lakes are of particular astrobiological importance when looking for past habitable areas on Mars. ... Ancient martian lake system records two water-related events...

Blackholes2 Forum Message . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... Discussion Forums | ... Black-hole Galaxy Model Of Dark Matter . ... included the following paper on a Black-hole Galaxy model of Dark Matter. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

At login the C (and TC shell) reads initialisation files in your home directory . First it reads the file .cshrc ( .tcshrc for TC shell) followed by the file .login . In addition to environmental variables, both these shells have a number of local shell variables which are not exported to the environment. When another shell is created to run a program, it only reads the .cshrc ( .tcshrc ) file, but it inherits any environment variables that were set up at login. more .. ...

... In addition, an 8-CPU Origin2000 is used for computationally intensive research projects (solar system dynamics, stellar atmospheres and numerical magneto-hydrodynamics) while access to Grid technology is provided via CosmoGrid ( www.cosmogrid.ie ). ... Armagh Observatory staff regularly receive awards of telescope time on national and international facilities, and research grants from various grant awarding bodies. ... Rutgers, the State University of New Jersey, USA; . ...

The Apache HTTP Server provides a mechanism for storing information in named variables that are called environment variables . ... For additional flexibility, the directives provided by mod_setenvif allow environment variables to be set on a per-request basis, conditional on characteristics of particular requests. ... As discussed above, the environment passed to CGI scripts includes standard meta-information about the request in addition to any variables set within the Apache configuration. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. ... Whirlpool Galaxy Deep Field . ... Perhaps the original spiral nebula , the large galaxy with well defined spiral structure is also cataloged as NGC 5194 . ... Though M51 looks faint and fuzzy to the human eye, the above long-exposure, deep-field image taken last month shows much of the faint complexity that actually surrounds the smaller galaxy. ...

Next: The Stopping Radius in Up: ``Ecology'' of Magnetic Rotators Previous: The Environment of the . Now we consider qualitatively the effect of the electromagnetic field of a magnetic rotator on the accreting plasma. ... What is important is that both relativistic particles and magnetic dipole radiation will transfer their momentum and hence exert pressure on the accreting plasma. ... 2) The pressure of the accreting plasma is high enough to permit the plasma to enter the light cylinder . ...

... Hypervelocity Stars Ejected from the Galactic Center . ... In his talk, Hypervelocity Stars Ejected from the Galactic Center, Dr. Brown will discuss how the observed velocity and spatial distributions are linked to the ejection mechanism. The hypervelocity stars place quantitative constraints on the types of stars orbiting near the central black hole and the history of stellar interactions with the black hole. ... Apr . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Spacecraft . 29a. Satellite looking up . ... 29e. Explorers of distant space . Space Index . ... Many "down-looking" satellites also carry out local observations, among them Polar, Viking, Freja and satellites of the GOES and DMSP series. ... Other explorers of the distant magnetosphere have included the three ISEE spacecraft (International Sun-Earth Explorers), Polar in an elliptical polar orbit with cameras observing the polar aurora, and Image observing energetic neutral atoms. ...

... part 2 | ... Part 1 . The new concept of formation and development of the Solar system. ... Thus, the initial pulse of the rotation of a protosolar cloud of the solar system was determined as a result of the diversion of a part of the moment of the rotational pulse of the Galaxy. ... Besides this new approach to the pre-solar system as a system of the destroyed vortex structure, we can understand now a number of other peculiarities of the Solar system's structure. ...

... As part of the AXAF Science Center (ASC) Data Analysis Environment, we will provide to the astronomical community a Fitting Application. ... The high spatial and spectral resolutions that will be obtained with AXAF instruments require a sophisticated data modeling capability. ... Fitting models to data is a vital part of the analysis of astronomical data. As part of the ASC Data Analysis Environment, we have designed a Fitting Application. ... Empirical Models. ... AXAF Instrument Response Models. ...

... overview of instrument and science (15) 11:10 Mikhail Gubarev: Development of mirror modules for ART XC (15) 11:25 -- 11:55 Coffee break 11:55 -- 12:50 X ray missions 11:55 Joachim Truemper: Lessons learned from the ROSAT all sky survey (30) 12:25 Naomi Ota: ASTRO H (25) 12:50 -- 14:20 Lunch 1 14:20 -- 15:40 Galaxy clusters and cosmology 14:20 Eugene Churazov: Galaxy clusters in X rays: plasma physics, AGN feedback and ...

... We consider the astrophysical evolution of the Galaxy over large time scales, from early stages (an age of ~10 8 yrs) to the end of traditional stellar evolution (~10 11 yrs). ... In the model considered, the basic stages of Galactic evolution are as follows. ... Essentially all other basic parameters of the Galaxy vary little. ... The final "stellar epoch" in the life of the Galaxy is completed ~10 13 yrs after its formation, when the evolution of the least massive stars comes to an end. ...

... LINKS . ... 0 total, enter for more, latest pics follow . AAL Activities . ... 105 total, enter for more, latest pics follow . ... Internet Time: @850 . ... INTELLIGENT-IP Internet Services . SOME LINKS . ... more links.. ... The AAL is not responsible for the content of external internet sites! ... Coordination & Astronomical Content by: J. Steinberg ...

Supernova 2004gt in NGC 4038 . This page is devoted to information on Supernova 2004gt in NGC 4038 . ... Information on the original web pages for many of these images can be found on the updates and links web pages. ... Icon generated from the Sergio Castellon's color image. ... Click on the name in the "Image Credit" column to see the image. ... 2004/12/12.076 . ... 2005/12/28.981 . ... JM Llapasset image . ... color . ... mirror Light curves and Spectra: . ... JM Llapasset BVRI light curve . ...

You might wonder how a black hole could be found if nothing including light can escape from it. ... HDE 226868 is a massive blue supergiant star; its companion is believed to be a black hole, surrounded by an accretion disc of gases from HDE 226868 which are spiraling into the black hole. ... Three other objects -- LMC X-3 in the Large Magellanic Cloud galaxy, and A0620-00 and V404 Cygni in our galaxy -- are also believed to have black holes as one of their components. ...

Welcome to K -corrections calculator, simple service allowing one to determine K -corrections of a galaxy, given its redshift and one or more colours. ... K -correction in choose filter.. ... Redshift . Colour choose colour.. Colour value . Calculator . ... calculate spectral energy distributions , K-corrections calculator , GALEX FUV NUV , UKIDSS YJHK , K-corrections of galaxies , spectral based k-corrections , SDSS filter set K-corrections , K correction code IDL , kcorrect IDL C , . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

... V.V.Makarov, V.P.Reshetnikov, V.A.Yakovleva . Photometric study of the peculiar galaxy NGC 2685" . ... eds.), Tallinn, 1989, p.19 . ... Press, 1994, p.272-273 . ... A.A.Mullari, V.V.Orlov, St.Petersburg Univ. ... conference, St.Petersburg, 1997, p.168-169 . ... All-Russian Astronomical Conference, Book of Abstracts, . ... in "Astronomy: traditions, present, future", V.V.Orlov, V.P.Reshetnikov, N.Ya.Sotnikova (eds.), St.Petersburg University Press, 2007, p.92-115 (in Russian) . ...