Astronomy Picture of the Day . ... Credit Copyright: Wang Letian Explanation: The first APOD appeared eighteen years ago today, on 1995 June 16. Although garnering only 14 pageviews on that day, we are proud to estimate that APOD has now served over one billion space-related images over the past eighteen years. ... Many people don't know, though, that APOD is now translated daily into many major languages. ... How many APOD images can you identify? ... U. Based on Astronomy Picture Of the Day . ...

... 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. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2013 June 16 . APOD Turns Eighteen . ... Explanation: The first APOD appeared eighteen years ago today, on 1995 June 16. Although garnering only 14 pageviews on that day, we are proud to estimate that APOD has now served over one billion space-related images over the past eighteen years. ... How many APOD images can you identify? ...

Chapter 11. Specifying OpenGL Environment Variable Settings . ... Several antialiasing methods are available and you can select between them by setting the __GL_FSAA_MODE environment variable appropriately. ... To see the available values for __GL_FSAA_MODE along with their descriptions, run: nvidia-settings --query=fsaa --verbose . The __GL_FSAA_MODE environment variable uses the same integer values that are used to configure FSAA through nvidia-settings and the NV-CONTROL X extension. ...

... Directives | ... Apache HTTP Server Version 2.2 . ... The directives provided by mod_authz_host are used in <Directory> , <Files> , and <Location> sections as well as .htaccess files to control access to particular parts of the server. ... The Allow and Deny directives are used to specify which clients are or are not allowed access to the server, while the Order directive sets the default access state, and configures how the Allow and Deny directives interact with each other. ... Order Deny,Allow . ...

HST Call for Proposals and HST Primer for Cycle 24 . ... Hubble Space Telescope Primer for Cycle 24 > Appendix C: Legacy Instruments > C.6 Wide Field and Planetary Camera 2 (WFPC2) . C.6 Wide Field and Planetary Camera 2 (WFPC2) . ... It had three ?wide field? CCDs and one high resolution (or ?planetary?) ... The three Wide Field Camera (WFC) CCDs were arranged in an ?L?-shaped field of view whose long side projects to 2.5', with a projected pixel size of 0 . ...

... Attribute specifications may appear in dataset, array, table and column body specifications. ... attribute attribute-name attribute-data-type value label units optional-expression < ... attribute item specifications ... > . ... It has type string-expression (which may be a literal string). attribute-data-type is the attribute data type. ... It is an expression (which may be a literal value) which must evaluate to a value whose type is consistent with attribute-data-type . ...

... If the user types "!" at the first ">" prompt, the existing parameter file is used if one exists. ... The following commands are available (for a description see the VAX/VMS Hermes User's manual): keyword=values (only one keyword per line) /ABO /ERRLEV n /GO /MESLEV n /OFF dev /ON dev /MODE n /STAT n When the program calls one of the routines of the Userinp family, the user is prompted in the usual way (depending on the default level). ... At the first occasion the ">" prompt will then appear. ...

... Apache HTTP Server Version 2.4 . ... User-specific directories . ... A request for http://www.example.com/~bob/one/two.html will be translated to: . ... http://www.example.com/users/bob/one/two.html . ... http://www.example.com/bob/usr/one/two.html . ... With a request for http://www.example.com/~bob/one/two.html , will try to find the page at ~bob/public_html/one/two.html first, then /usr/web/bob/one/two.html , and finally it will send a redirect to http://www.example.com/bob/one/two.html . ...

... Since 2011 our observatory is a member of GLORIA (GLObal Robotic telescopes Intelligent Array for e-Science) project - wide international collaboration of 13 scientific institutions from 8 countries aiming at opening public access to robotic telescopes, as well as propagating astronomy in general. The GLORIA Project offers Internet users the possibility of studying the sky from professional observatories. ... The experiments are available at the users site of GLORIA. ... About GLORIA . ...

Although there are no set rules for running Family ASTRO Astronomy Events, extensive testing with our Leader Kits and activities has allowed us to develop suggested agendas (found in each kit's "Leader Guide") and some general guidelines. ... Stations: These are stand-alone activities that can be explored by participants without much instruction from Event Leaders . In a "classic" Family ASTRO event, one or more of these self-guided activities are set up in the room before participants arrive. ...

This module provides for user-specific directories. ... Source File: mod_userdir.c . ... Module: mod_userdir . ... Use of the enabled keyword, or disabled with a list of usernames, is only available in Apache 1.3 and above. ... Directory-filename is one of the following: . ... A request for http://www.foo.com/~bob/one/two.html will be translated to: UserDir public_html -> ~bob/public_html/one/two.html UserDir /usr/web -> /usr/web/bob/one/two.html UserDir /home/*/www -> /home/bob/www/one/two.html . ...

Proceedings of Turbulent Shear Flows XI , 1997. NASA Technical Paper # 3555 , 1997. Proceedings of European Turbulence Conference VI , 1996. ESPRI Research Report # 104, 117-143 (1996) . ... Proceedings of Turbulent Shear Flows X , 1995. ASME Paper 95-GT-437 , 1995. ... Invited AIAA Paper 94-2281 presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. AIAA Paper 94-2323, presented at the 1994 AIAA Fluid Dynamics Conference, Colorado Springs, CO. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . See also images taken on November 22nd . Image taken by Andy McCrea who says, . To me the comet appears yellowish and it has gone from star-like to a . ... More images from Andy McCrea here . ... The true explanation is that a very faint comet, known as periodic comet Holmes, produced a massive outburst of material and became a million times brighter than it was just a day earlier. ... More images from Andy McCrea . ...

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

... sed 's/-t=//'` shift continue;; -b=*) transformbasename=`echo $1 | sed 's/-b=//'` shift continue ;; *) if [ x $ src = x ] then src =$1 else # this colon is to work around a 386BSD /bin/sh bug : dst =$1 fi shift continue ;; esac done if [ x $ src = x ] then echo $0: no input file specified 2 exit 1 else : fi if [ x $dir_arg != x ]; then dst =$ src src = if [ -d $ ... IFS='%' set - `echo "$dstdir" | ...

OptInt PmWiki : MROI Fast Tip Tilt / Tech Meet 3 . ... FTT/NAS & FLC Software Requirements . ... Camera cooling 100W . Computing 150W . ... A single "standard" computer could run all of the FTT/NA software (under Xenomai) . However, cable length restrictions could force us to use a 2nd low-power computer near to the Andor camera . ... Printable View of http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/pmwiki.php/MROIFastTipTilt/TechMeet3) ...

Up: The ESO Red Sky Previous: Stars and Galaxies . ... It may have been like walking on a stage in daytime. ... Tucholke, H.-J, Schuecker, P. 1992, PASP 104, 704; Tucholke, H.-J., Hiesgen, M. 1991, IAU Symp. 148, in The Magellanic Clouds , eds. R. Haynes, D. Milne, Kluwer, Dordrecht, p. 491. Winkelkoetter, H., Diploma Thesis Muenster 1992 . ... Ritzmann, B.-M., Diploma Thesis Muenster 1992 . ... Meijer, J., Diploma Thesis Muenster 1991; Nolze, W., Diploma Thesis Muenster 1993 . ...

Set the dimensions of the drawing area. ... Allow the drawing area to be resized to fit the main xmgr window (no scrollbars will appear). ... Set the drawing area dimensions to landscape, generally this will be larger than the window allocated for xmgr, and scroll bars will appear. ... Set the drawing area dimensions to portrait, generally this will be larger than the window allocated for xmgr, and scroll bars will appear. ...

... Character level elements are used to specify either the structural meaning or the physical appearence of marked text without causing a paragraph break. ... Highlighting elements are allowed within the content of other highlighting elements, but implementations are not required to render these nested highlighting elements distinctly from non-nested elements. ... An SGML identifier used as the target for hypertext links or for naming particular elements in associated style sheets. ... CLASS . ...