... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Although the comet itself never comes dangerously close to the Earth, the particles of dust that it has shed during its many past passages through perihelion found their way into the Earth's atmosphere, appearing as meteors in the cold December sky. ... Animation 1 . ... An Ursid meteor captured by the Armagh Observatory's NE-facing meteor camera in the early morning of 23rd December. ... Meteor Showers Online . ...

... This package removes the need for external code to maintain and traverse callback lists. ... Register a callback function with a list. c_unregister_callback . ... Call all registered callbacks for an object. c_destroy_list . ... KCallbackFunc c_register_callback (KCallbackList *list, flag (*callback) (), void *object, void *client1_data, flag client1_indirect, void *client2_data, flag client2_indirect, flag quenchable) . ... list : A pointer to the callback list. ... Multithreading Level: Unsafe . ...

Astronomy Picture of the Day . ... AAC Explanation: Comet Hale-Bopp has returned from behind the Sun. In December and early January, Comet Hale-Bopp was too near the Sun to be easily visible from Earth . ... The above photo was taken on January 31 st and shows the two emerging tails of Comet Hale-Bopp . ... Publications with keywords: Comet Hale-Bopp . Publications with words: Comet Hale-Bopp . ... Comet Hale-Bopp Over Val Parola Pass . ... The Dust and Ion Tales of Comet Hale-Bopp . ...

Discover the cosmos! ... 2003 December 23 . Comet Encke Returns . ... Explanation: It's back. Every 3.3 years, Comet Encke swoops back into our inner Solar System . First officially discovered in 1786, Comet Encke is on its 59 th documented return, making it one of the best-studied comets on the sky. Mysteriously, Comet Encke should have been discovered millennia earlier, since it likely became bright enough to see unaided many times over the past few thousand years. ... About APOD | ...

This is a copy of a Press Release from E.S.O. Eight years after the passage of Comet Halley in early 1986, astronomers at the European Southern Observatory have succeeded in obtaining an image of this famous object at a distance of no less than 2,820 million km from the Sun. ... The image shows the 6 x 15 km avocado-shaped nucleus as an extremely faint point of light without any surrounding dust cloud. ... This observation was made with the ESO 3.58 metre New Technology Telescope (NTT). ...

For vi , a line is the string of characters between two <RETURN> characters. Although vi will automatically wrap the text onto a new line when it reaches the right-hand side of the screen, it does not insert a <RETURN> character. ... Adding a <RETURN> at the end of every line ensures that the appearance of the text on your screen corresponds to vi 's understanding of how text is structured. Setting the wrapmargin option automatically inserts a <RETURN> character whenever vi wraps text. ...

... Jupiter's icy moon Europa has a metallic core and layered internal structure similar to the Earth's , while the heavily cratered moon Callisto is a mixture of metallic rock and ice with no identifiable central core, according to new results from NASA's Galileo mission . In addition, recent plasma wave observations from Galileo show no evidence of a magnetic field or magnetosphere around Callisto, but do hint at the prospect of a tenuous atmosphere. ... Jupiter Galileo . ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Mars . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Mars returns to glory . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter...

There are various kinds of generic information you can retrieve about an XPA access point by using the xpaget command. ... Each XPA access point supports a number of reserved sub-commands that provide access to different kinds of information, e.g. the access control for that access point. ... acl get (set) the access control list [options: host type acl, for set] . ... This access point is available only on the server machine. -env get (set) an environment variable [options: name (value, for set)] . ...

... The International Cometary Explorer ( ICE ) spacecraft has now had a close encounter of the best kind (the real kind) with Comet Giacobini-Zinner and has returned a host of useful scientific information. ... While Halley's Comet is too close to the Sun for observation, we can turn our attention to the Voyager 2 spacecraft's closest encounter with the planet Uranus. ... Planet A spacecraft (Japan) has its closest fly-by of Halley's Comet; distance = 100,000 to 200,000 km (60,000 to 120,000 mi) . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... Monthly Sky Notes . ... April . ... By admin March 16, 2015 Posted in: Armagh Planetarium . ... Stargazing the Night Sky is a short and very informal course is for complete beginners who want to know more about the wonders of the cosmos. ... If you want to experience the amazing objects we can all see at night, this is the course for you. ... Copyright Armagh Planetarium 2014 All Rights Reserved. ...

... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Developer Documentation . ... In general, a hook function is one that Apache will call at some point during the processing of a request. ... Use the AP_DECLARE_HOOK macro, which needs to be given the return type of the hook function, the name of the hook, and the arguments. For example, if the hook returns an int and takes a request_rec * and an int and is called do_something , then declare it like this: . ...

... SAT0INTRO - INTRO TO USING THE AO SATELLITE PREDICTION ROUTINES. ... SATDOCNAMES - LIST OF ROUTINE NAMES . ... Previous Routine ] [Next Routine ] [ List of Routines ] NAME : satdoc - routine list (single line) sat0intro - Intro to using the ao satellite prediction routines . satcmpangle - compute angle between ra,dec,jd and satellites satdoc - routine list (single line) satdocnames - list of routine names satfindtle - find tle file for satellite name satinfo - return ...

... 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. ...

I n 1705 Edmond Halley predicted, using Newton's newly formulated laws of motion, that the comet seen in 1531, 1607, and 1682 would return in 1758 (which was, alas, after his death). ... T he average period of Halley's orbit is 76 years but you cannot calculate the dates of its reappearances by simply subtracting multiples of 76 years from 1986. ... T he nucleus of Comet Halley is approximately 16x8x8 kilometers. ... The Return of Halley's Comet from the ASP . ... Comets .. Halley .. ...

Next: Interrupts and Signals Up: Piping in a C program Previous: popen() - Formatted Piping . int pipe(int fd[2]) - creates a pipe and returns two file descriptors, fd[0], fd[1] . fd[0] is opened for reading, fd[1] for writing. pipe() returns 0 on success, -1 on failure and sets errno accordingly. ... Pipes opened with pipe() should be closed with close(int fd) . ... An example of piping in a C program is plot.c and subroutines and is detailed in Appendix . ...

Stellarium 0.12.3 . ... Classes . ... ClassљList . ClassљIndex . ... StelObjectModule Class Reference abstract . Specialization of StelModule which manages a collection of StelObject . ... virtual QList< StelObjectP >љ . searchAround (const Vec3d &v, double limitFov, const StelCore *core) const =0 . ... searchByNameI18n (const QString &nameI18n) const =0 . Find a StelObject by name. ... searchByName (const QString &name) const =0 . ... virtual QStringљ . ... const QString &љ . ...

. Search this album . Gallery . :: Public Events . :: Between Light and Dark Matters, 24 Feb 2005 . :: Covers come off the artwork as fine weather rтАж . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . View full size . Title: Covers come off the artwork as fine weather returns . File name: artRW5.jpg . Owner: Gallery Administrator . Dimensions: 504 x 378 px . Page: 1 2 3 4 5 6 7 8 9 10 14 15 . Powered by Gallery 3.0.9 (Chartres) . Login

. Album : asv-album :: Travels to distant places and countries :: 2004/06 Leiden, Hague, Amsterdam (Netherlands) ::11/06/04 Returning home . Up . IMG 2302 . IMG 2304 . IMG 2305 . IMG 2306 . IMG 2310 . IMG 2312 . IMG 2315 . IMG 2317 . IMG 2320 . IMG 2321 . IMG 2322 . IMG 2324 . IMG 2328 . Photo album generated by album tool from Marginal Hacks by David Ljung on Sun Jun 28 19:27:28 2015 .

... ISC Kosmotras . ... Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. ... Being the 8th commercial launch for Dnepr, this is also its first 'return to flight' mission since the failure encountered on July 27, 2006 during liftoff from Baikonur. In parallel with the successful completion of its first launch campaign in 2007, ISC Kosmotras continues preparations for the next two Dnepr launch missions scheduled to fly from Baikonur and Yasny launch bases. ... Dnepr Program . ...