... 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. ...

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... A Brief History of Chernogolovka . The scientific center of the Academy of Sciences was founded in 1956 near the village of Chernogolovka, located 20 km north of the town of Noginsk (formerly Bogorodsk, before 1781 - Rogozhi). ... As a town of ancient Moscow, the ancient settlement of Chernogolovka was founded along the old road which connected Suzdal', the capital of East Russian Lands, to Smolensk, the capital of West Russian Lands. ... History of Chernogolovka (in Russian). ...

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... Tonight's Sky . ... Sky this Month . ... Star Atlas . ... stars . ... The Sky This Week: April 1 - 10 . ... Observing springtime deep-sky objects with a large telescope . ... Why do some stars appear to flash a variety of different colors when you look at them through a telescope? ... So, Earthт??s atmosphere will bend some colors from especially bright stars more so than others, which makes the source look like itт??s flashing colors. Get instant access to subscriber content on Astronomy.com! ...

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• How were the constellation boundaries set? They appear pretty arbitrary. |
• Can you explain Mercury's retrograde motion? Do other planets appear to do this
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... The first Astronomy Picture of the Day (APOD) appeared two years ago today. ... Jupiter's Dry Spots . ... In December of 1995, Galileo's atmospheric probe descended into Jupiter's clouds and reported a surprising absence of water. ... UIT flew into orbit as part of the Astro 2 mission on-board the Space Shuttle Endeavour in March 1995. ... Apollo 15 astronaut James Irwin works on the first Lunar Roving Vehicle, before he and fellow astronaut David Scott take it out for a drive. ... First page ] Prev...

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... The TRACE images may be used without restrictions in publications of any kind. ... These two images, taken on 18 November 2000 at 15:54UT and 16:11UT, respectively, show such an event: the red circle in the image to the left shows a region where many loops are cooling, with bright loop tops (the intensity scales with the square root of the image to reduce the dynamic range). ... See also a collection of images related to the Sun, other cool stars, and solar-terrestrial effects . ... Images | ...

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... Bug fixes below are collected in /pub/misc/XFree86OS2/fixes at the same site. If you came here by a notice of this URL in some newsgroup article: Here is the toplevel of the XFree86/OS2 pages . ... Filelist of XFree86-3.3.5 The following link(s) refers to bugs known to be present in older releases. ... XFree86/OS2 3.3.3.1 Please get the following fixes, and apply them after the system is installed. ... This bug was introduced in 3.3.5 by some incompatible change of the corresponding OS interface. ...

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• Image: Dreaming about things on display. After checking, they appeared to be
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• Bugs found so far in XFree86/OS2 3.3

Next: Release of 18 Nov. ... Convert to 4 digit years in VLBA control files. ... Fix bug found by Norbert Bartel where a postpass warning goes out even on VLBA sites using 1 drive. 5dec97 RCW. ... Add some more variables to SAVE parameters that were missed before. ... 20 Jan 1998 RCW. ... 10 Feb 98. ... 17 Feb 98 RCW. ... Restructuring some of tape handling code to separate automatic tape handling from other types and to completely separate S2. ... RCW. ... Do not allow ``!'' in cover information. ...

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• The HI bubble surrounding the Wolf-Rayet star WR 149
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... Data Reduction FAQ > The reduced science spectrum displayed in the Reflex window appears good but when I try to plot it, it is quite different. How can I get it? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... Reflex . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ... ESO Annual Reports . ... Seminars at ESO Santiago . ... Seminars at ESO Garching . ... ESO Telescope Bibliography . ... Last Update: 01.04.14 ESO . ...

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• Astronomical Image Retouching
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http://hea-www.harvard.edu/AstroStat/slog/2008/mads-hmm/ Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders Fri, 01 Jun 2012 18:47:52 +0000 hourly 1 http://wordpress.org/?v=3.4 http://hea-www.harvard.edu/AstroStat/slog/2008/mads-hmm/comment-page-1/#comment-832 hlee Fri, 12 Dec 2008 18:12:26 +0000 http://hea-www.harvard.edu/AstroStat/slog/?p=1314#comment-832 Thanks again for the valuable information. ... Hmm. ...

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... This program was created for correlating chosen regions in the series of fts images. ... Chosen regions' . ... In this section the program counts the integral for each region of the grid for each image. ... As a matter of fact, the integral is total brightness of the region and it is counted by 'int_tabulated' IDL function. ... In addition, the program will show the count of the regions which correlate with the corresponding region (the brighter region means the bigger count) and its contour. ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... This contemporary photograph shows Lord Rosse's giant 6 foot telescope in its heyday with an observer situated on a gantry at the top of a wall. ... T.R. Robinson favoured an equatorial mounting for this telescope but it appears that Lord Rosse found this too difficult to implement for such a cumbersome telescope. Some of the workers at Birr with the Leviathan's mirror . ... Last Revised: 2010 February 22nd . ...

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• Human Orrery
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Astronomy Discussion Forums . ... Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... New Model: How Do The Sun And Moon Appear To Move Across The Sky . ... Post Message | ... focused on the Sun and the Moon as they appear from the given location of the Earth surface: . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Let Me Be More Clear - an Astronomy Net Exploration Forum Message
• Re: Re: Version Skew: Found 3.2.3 But Should Be 3.4 - an Astronomy Net XEphem
• Re: Version Skew: Found 3.2.3 But Should Be 3.4 - an Astronomy Net XEphem Forum

... The obtained results lead to the following conclusions: a) the heavy element enrichment had taken place in the Galaxy in a few bursts of its activity rether than in a continuons manner; b) these bursts occured during the callapse of the early Galaxy; c) the star formation had been inhibited in the time of the bursts; d) the metal enrichment did not proceed in the periods of star formation, between these bursts of activity. ...

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Results from 6m telescope observations of globular clusters in dwarf galaxies Sharina M. We consider properties of globular clusters in dwarf galaxies observed with the multi-slit unit of the SCORPIO spectrograph at the SAO 6m telescope. ... Studying GCs in dwarf galaxies at the faintest end of the galaxy luminosity function provides valuable information for a better understanding of galaxy evolution and evolutionary connection between globular clusters and nuclei of galaxies. ...

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• Results scientific researchs 5
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... Gilfanov, M. and Merloni, A. Observational Appearance of Black Holes in X-Ray Binaries and AGN . ... Accretion onto black holes powers most luminous compact sources in the Universe. ... Accretion onto supermassive black holes in AGN and stellar- and (possibly) intermediate mass black holes in X-ray binaries and ultra-luminous X-ray sources in star-forming galaxies can explain most, if not all, of the observed brightness of the cosmic X-ray background radiation. ...

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• A Brief History of Magnetospheric Physics Before the Spaceflight Era
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• Electrons, Ions and Plasma

... On Thursday, 11/12, Bill Boroski, Bob Nagel, Steve Bastian and John Davis continued to pursue the oscillation in the windscreen and lubricating the cone bearings. Bill was able to install the bar coder for the altitude drive. ... On Friday, 11/13, Charlie Briegel continues to work on motion controls. ... Bill has also installed the bar coder for the azimuth drive. And Steve along with Bob Nagel clean the bearings with mineral spirits in preparation for applying the new lubricant. ...

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THE ARGUMENT AGAINST LONG EXTRAGALACTIC DISTANCE SCALE Gaseous discs of S0 -- Sd galaxies appears to be gravitationally stable or close to stability. Dependence of the gravitational stability parameter of gaseous disc $M_g/M_c$ upon the color index $(B-V)^0_T$ which reflects a relative number of young stars, is found. Here $M_g$ is total mass of gas in a galaxy, $M_c$ - mass of gas which corresponds to marginal stability of gaseous disc at distances from center. ...

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... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

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• Perturbation method
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Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

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• Water on Mars: Evidence from NASA | Astronotes
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Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...

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