Astronomy Picture of the Day . ... 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. ... Recent observations place Comet Encke as bright as visual magnitude six during early December, making it just on the verge of unaided human vision . ...

Discover the cosmos! ... 2007 December 18 . Unusual Silica Rich Soil Discovered on Mars . Credit: Mars Exploration Rover Mission , Cornell , JPL , NASA . Explanation: You're rolling across Mars when you unexpectedly uncover some unusually light soil. ... The second hypothesis in particular indicates, once again, a wet past for part of Mars, as possibly hot water saturated with silica deposited the white soil. ... APOD presents: Astronomy Pictures of the Year for 2007 . ... About APOD | ...

... 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 . ...

... DevHlp_Security This devhlp allows to open a file for read access in the Init routine of a BASEDEV . ... returned: size of file SYIOpenFile ends Valid at INIT time only. ... This routine uses the corresponding function of the miniFSD , not normal file I/O, thus access is restricted. ... Although the size argument of the data structure implies, I'd recommend to better not read more than 32K at a time. ... DL = 044h This function will return the table of security helper functions for file access. ...

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. ...

Discover the cosmos! ... December 6, 1999 . M83: The Southern Pinwheel Galaxy from VLT . ... Explanation: M83 is one of the closest and brightest spiral galaxies on the sky. Visible with binoculars in the constellation of Hydra , majestic spiral arms have prompted its nickname as the Southern Pinwheel. Although discovered 250 years ago, only in this century was it appreciated that M83 was not a gas cloud but a barred spiral galaxy much like our own Milky Way Galaxy . ... About APOD > . ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Publications overview . ... Careers overview . ... ATNF facilities . ... MRO Support Facility . Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Current telescope status . ... Scientific support of facilities . ... ATNF Operations Overview . ... Meetings . ...

... Smoke sighted . ... B. Call USFS at 437-2286, provide fire info as well as local weather data. ... B. 3.5m telescope: Face enclosure into smoke direction and turn on PF1. 2.5m telescope: Turn on HVAC system or set system for 1.0 pressurization. ... If time permits and immediate evacuation is not ordered: . a. make sure everyone on site is awake and aware of . ... Echelle: Top off LN2, (if time does not permit, turn Ion Pump off, turn off camera power) . DIS: Turn off camera electronics . ...

... This is a personal project collecting and documenting early images of Harvard College Observatory, focusing on the site at Observatory Hill (previously Summer House Hill). ... This page shows a list of all images tagged with "donors". [link] 1660-ish Portrait of John Winthrop the Younger (1608-1676) . ... That image is a painting of John Winthrop the Elder's great-great grandson, or the great grandson of this John Winthrop. ... Earliest source: "Thomas Hollis (1659тАУ1731)." ... link] 1891 . ...

. Comedi Documentation . Prev . Next . comedi_close -- close a Comedi device . #include <comedilib.h> . int comedi_close (comedi * device); . Close a device previously opened by comedi_open(). If sucessful, comedi_close returns 0. On failure, -1 is returned. Prev . Home . Next . Comedi Reference . Up . comedi_open

... Galileo Probe . The Galileo spacecraft was designed to study Jupiter's atmosphere, satellites, and surrounding magnetosphere for two years. ... From there, Galileo will spend more than five years traveling to Jupiter, where it will become the first spacecraft to make direct measurements from an instrumented probe within Jupiter's atmosphere. ... This image, taken by the Hubble Space Telescope, shows the predicted site at which the Galileo Probe will enter Jupiter's atmosphere on December 7, 1995. ...

The Post Office MAILER-DAEMON@xmm.vilspa.esa.es . ... Previous message: [sas-uploads] SPAM:*********** Message could not be delivered . ... Boundary_(ID_ObMVZybUwHs3mmY7fyg5Dw) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT ------------------------------------------------------------------------ Subject: the ESA antivirus detected a virus in a e-mail sent to you. The ESA Mail Gateway detected a virus in a e-mail sent to you. ...

... I fixed the bugs that caused the map_point changes to fail tests. Then I removed the no longer needed dimensional variables from the p structure and got those changes to pass all the tests. ... I put the code under subversion control in a new branch called refactor. ... The code change which processes each drizzle kernel over an entire image rather than a line at a time now passes the unit tests and was checked in. ... I got the keywords argument changes done and got the tests to pass. ...

... Position Switching Separation Tolerance with Arecibo in L-Band . ... Using the ALFA Receiver for OH Observations . ... Carl Heiles . ... C. Salter and T. Ghosh . ... 2001-05.pdf . ... Multi-Beam Array System Feed Selection . ... Main Beam and First Sidelobe Parameters for Arecibo's Receiver Systems . ... The LBW Feed: Polarized Sidelobes outside the Main Beam . ... The LBW Feed: The Mueller matrix in 1999 and 2000 . ... The LBW Feed: Pointing Accuracy, Beamwidth, Beam Squint, Beam Squash . ...

This module provides for mapping different parts of the host filesystem in the document tree, and for URL redirection. ... The directives contained in this module allow for manipulation and control of URLs as requests arrive at the server. ... The ScriptAlias directive has the additional effect of marking the target directory as containing only CGI scripts. The Redirect directives are used to instruct clients to make a new request with a different URL. ... Syntax: Alias URL-path file-path | ...

... An artificial comet holds secrets to Earths life . ... Astronomers recently discovered that Scholz's star passed close to the Sun 70,000 years ago. Wouldn't its gravity have sent Oort Cloud comets raining into the inner planets? ... COMETS | OORT CLOUD . Based on the number of long-period comets that enter the inner solar system, astronomers estimate there are probably trillions of them in the Oort Cloud. Get instant access to subscriber content on Astronomy.com! ... Discover | ...

... Bad Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... The length of the shadow depends on the height of an object (like a mountain or a human) and how high up the Sun is. ... We can calculate the length of the shadow if we know the Sun's angle above the horizon and the object's height. ... The Earth spins 360 degrees in 24 hours, which means it spins 1 degree in 4 minutes; that in turn means the Sun moves 1 degree every 4 minutes in the sky. ...

... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

... 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: . ...

... 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 . ...