Astronomy Discussion Forums . ... Let Me Be More Clear . ... Post Message | ... However, if I have identified it, how do I know this 'thing' is something that exists versus only thought of as existing? ... However, by me identifying 'red' as 1 (i.e., as I originally did), I am assuming that there is 'red' as something that exists. ... www.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 Explain - an Astronomy Net Exploration Forum Message
• How Do You Feel About Numbers? - an Astronomy Net Exploration Forum Message
• You Are Beating A Dead Horse! - an Astronomy Net Exploration Forum Message

... 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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The integers $ a_n=\sum_{k=0}^n{\binom nk}^2{\binom{n+k}k}^2, n=0,1,2,... $ appear as denominators of rational approximations to $\zeta(3)=\sum_{k=1}^\infty k^{-3}$ in Apery's proof of the irrationality of $\zeta(3)$. The sequence satisfies a polynomial recursion, namely, $ (n+1)^3a_{n+1}-(2n+1)(17n^2+17n+5)a_n+n^3a_{n-1}=0$, where $n=0,1,2,...$, and admits several curious congruence properties. ... Site design by Paul Zinn-Justin (2005) ...

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• Number Theory Semester - Poncelet Laboratory
• Algebraic Number Theory

... The WFPC2 CCDs have a small b ut significant charge transfer efficiency (CTE) problem which causes some signal to be lost when charge is transferred down the chip during readout. This has the effect of making objects at higher row numbers (more charge transfers) appear fainter than they would if they were at low row numbers. The effect depends on the temperature of the CCDs. ... It is also possible that proportional losses for fainter stars, at least with no background, may be larger. ...

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• HST this week: 268
• HST this week: 259
• Example Preprint entry

... The Sun has come all of one day away from breaking its record for the longest period of inactivity for the last decade - reaching a mid-summer low and falling into yet another state of "hibernation". Yesterday, on the first day of autumn, new sunspots appeared on the surface of the Sun following an absence of almost 50 days. ... The first low lasted 51 days, from 21 July until 11 September last year. ... Now, almost a year later, it seems the Sun has hit a new low almost as "deep" as the first. ...

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• Project's diary
• This year's largest group of sunspots passes across the solar disk
• Sunspots and active regions September 01, 2011

... Jupiter s Great X Ray Spot . ... In the right hand panel above, the familiar giant planet with storm system and cloud bands is shown in an optical image from the passing Cassini spacecraft. ... A Cloud Shadow Sunrise . ... Such a ray was caught in spectacular fashion above the Florida Everglades two years ago. ... Jets from Radio Galaxy 3C296 . ... Although the phase of this moon might appear familiar, the moon itself might not. ... Isaac Newton Explains the Solar System . ...

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... Subject: FRIDAY'S FANTASTIC FIREBALLS . ... If anyone saw the major fireballs which appeared over Ireland (andб parts ofб GB) at about 22.55 BST on Friday 21 September, please quickly send as much detail as possible of your observation to me, and to Armagh Observatory, at jmf arm.ac.uk . ... PLEASE GIVE AS MUCH OF THE FOLLOWING DETAIL AS POSSIBLE: . ... Approximately what angle above the horizon were the fireballs when you first saw them? ... Please describe any colours that you saw. ...

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• Public Events Organised by Armagh Observatory September to November 2002
• Performance
• Hot subdwarfs

... The first two working group reports (on Extrasolar Planets and the Herschel--ALMA Synergies) were released in 2005 and 2006, and this third report covers the area of Fundamental Cosmology. The Working Group's mandate was to concentrate on fundamental issues in cosmology, as exemplified by the following questions: . What are the essential questions in fundamental cosmology? ... What are the appropriate methods with which these key questions can be answered? ...

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• ADASS '97 Program Information

OptInt PmWiki : Pm Wiki / Wiki Style Examples . Wiki styles | ... PmWiki uses WikiStyles for styling text with color and other attributes. PmWiki 2.0 introduced the ability to control the styling further and to even place styles on blocks. ... In addition, an author can define a style "shortcut" by using the define= property. For example, to define a style of %red% , one can use: . define=mystyle color=red% Here is some %mystyle% red text created using a style shortcut. ...

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• Stephen Bence - home page
• OptInt PmWiki : Wiki Style Examples
• OptInt PmWiki : PmWiki / Site Page Actions

... September 28, 1999 . Mystery Object Explained . ... The so-called mystery object appeared star-like but displayed colors unlike most stars or quasars . Further investigation has now revealed the object to be a Broad Absorption Line (BAL) quasar , a relatively rare type of active center of a distant galaxy. Different atoms and molecules in the absorbing gas surrounding the BAL quasar 's center probably cause the unusual colors. ... About APOD > . ...

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• APOD: 2006 September 17 - Anticrepuscular Rays Over Florida
• APOD: 2011 September 1 - M27: Not a Comet
• Ranking

In 2001, Westerbork observations of the disturbed galaxy named VV-29 (alias Arp-188, UGC-10214) showed that there is second smaller galaxy (named VV-29c) that appears behind the western side of the main body of the distorted galaxy. ... The galaxy was featured as the May 2, 2002 Astronomy Picture of the Day . ... When VV-29 had its 15 minutes of fame in May 2002, it appeared under the name "The Tadpole Galaxy," but based on the images above, we will always think of it as "The CHAINSAW"! ...

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• Mach-numbers in a simulation of convection in the sub-giant Eta Boo
• Dougal Mackey - Research
• ASTR1002 Assignments 4-6: Planet Ziggy

THE RELATIVE MONTHLY MEAN SUNSPOT NUMBER ON MARCH 2013 HAS MADE W mar.= 57.9, THAT GIVES FOR 45 MONTH (2012, SEPTEMBER) DEVELOPMENT CURRENT 24 CYC- LES OF SOLAR ACTIVITY THE SMOOTHED MONTHLY MEAN SUNSPOT NUMBER W*sep.= ... Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 01 - 07.04.2013, Forecast on 08 - 15.04.2013, Carrington Rotations, 2135 (21,5.03.2013) SUNSPOT-FORMING ACTIVITY OF THE SUN CHANGED AT THE AVERAGE LEVEL. ... GEOMAGNETIC CONDITIONS REMAINED UNSETTLED AND QUITE. ...

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• http://www.izmiran.rssi.ru/services/saf/archive/en/2013/obzor20131007.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2014/obzor20141006.en.txt
• http://www.izmiran.rssi.ru/services/saf/archive/en/2012/obzor20121008.en.txt

If you select Select item, the Data retrieval from observatory list dialog box will appear. Click on one of two radio buttons to the left of data fields intended for observatory code or name and introduce the required data. In case of observatory name it is possible to introduce its fragment. ... If it is necessary to enter new observatory into the list, mark one of the entries with missing data and select Edit in drop-down menu. ... In this case Landscape mode should be selected. ...

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• Laboratory of minor bodies of Solar system
• Conference WPLTN-2012 | Conference page

Next: Command Line Editing Up: Command Syntax Previous: Command Syntax . The last 15 commands entered on the terminal are kept in an internal buffer (the no. of commands saved can be changed via SET/BUFFER ). To recall (and execute) any of these commands, simply type the associated command number. This is the number ``xyz'' appearing in the prompt Midas xyz > when that command was entered. ... For example, if the last two commands in your command buffer are: . 22 READ/IMAGE supernova . ...

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• Discussion
• First Catalog Sources Not in the Second Catalog
• Terms Used to Describe Directives - Apache HTTP Server

... Now doctors of distinction have examined these phenomena In numbers of experimental dames And given to these ornaments of feminine abdomena A number of delightful Latin names: There's the vulva, the vagina and the jolly perineum And the hymen in the case of certain brides; And there's lots of other gadgets you'd just love if you could see'em The clitoris and Christ knows what besides Now isn't it a pity that when common ...

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• Tutorial on Fortran 90, Digital UNIX
• Long description for normal flow example
• Long description of example illustrating floating

... To go back in time, archaeoastronomers and teachers can turn to personal computers and any of a number of software packages. ... Examples include the Long Man of Wilmington, England and the Owl Man of Peru (see figure 8 and figure 9 ). ... Deciphering the unique number system of the Maya is another archaeoastronomy topic that involves a minimum of math. ... Several collections of early writing of the Maya survive; numbers from them can be read and in some cases interpreted (see figure 12 ). ...

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• ASP: Astronomical Society of the Pacific to Present 2009 Annual Meeting,
• ASP's 2012 Annual Meeting
• ASP: Articles on Education from Mercury Magazine

... CTI . ... The table is used/accessed by: CAL_ctiCorrect() Generic CTI correction algorithm: . ... The table is used/accessed by: CAL_pnCtiCorrect() Main table to drive the high-accuracy EPN CTI correction algorithm in calpnalgo; Contains four sets of parameters per CCD column; numbers come from hardware group at MPE . ... The table is used/accessed by: CAL_pnAdditionalGainCtiCorrect() Holds single scalar offset values used by EPN gain correction in calpnalgo . ... The table is used/accessed by: TBD....

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• Extended-source detection Algorithm
• Table
• Comments

The run progress pages document the execution of Service Mode and Visitor Mode observing runs carried out at the Paranal Observatory. A summary of the run's characteristics is given, as well as a time-stamped list of all Observation Blocks (OB) that were executed until now. ... If reduced data for the given run exist, those are also reported in both the OB Summary table and in the details. ... Reduced : information shown only if pipeline-processed reduced data exist for the OB . ... OB ID . ...

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• EoN_sky
• OYSTER Lab
• DFS Department internal procedure for issue of documentation

... 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
• Point matching method

. September 2011 April 2011 March 2011 February 2011 . January 2011 November 2010 April 2010 February 2010 . September 2008 August 2008 May 2008 February 2008 .

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