. To make the shell interpret a metacharacter literally: echo [1] 1463 [1] Done echo echo \\ . The shell interprets the character at the end of a command line to mean that the command is to be run in the background. So the command echo simply runs the echo command in the background and since the command has nothing to echo it immediately exits. When the character is preceded by a \\ (backslash) the echo command interprets this literally and simply echoes (displays) this character on the screen.

... Christmas is a home and family celebration, and therefore those who live away try to get back home. Everyone is buying Christmas presents for friends and relatives; parents try to present their children with everything they want. A Christmas tree stands in the everybody's living-room at Christmas. ... On Christmas Eve, when children are asleep, their parents come into their bedrooms and leave the presents near their beds or under the Christmas tree. ...

The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The term "astronaut" derives from the Greek words meaning "space sailor," and refers to all who have been launched as crew members aboard NASA spacecraft bound for orbit and beyond. Since the inception of NASA's human space flight program, we have also maintained the term "astronaut" as the title for those selected to join the NASA corps of astronauts who make "space sailing" their career profession. ...

Next: Single user mode Up: Boots And Shutdowns Previous: More about shutdowns . Rebooting means booting the system again. This can be accomplished by first shutting it down completely, turning power off, and then turning it back on. A simpler way is to ask shutdown љ to reboot the system, instead of merely halting it. ... Most Linux systems run shutdown -r now when ctrl-alt-del is pressed on the keyboard. This reboots the system. ...

OptInt PmWiki . ... Edit Page | ... Search : . ... MROI Delay Line Design Contract . ... MROI . ... Page Actions . Results of search for link=Site.PageActions : . ... 3 pages found out of 254 pages searched. ... To limit your search to a single group, enter the group name followed by a slash at the beginning of the search string (e.g., "PmWiki/" or "Site/"). ... apple pie . both 'apple' and 'pie' . ... apple' in the PmWiki group of pages . ... the phrase 'pmwiki/apple' in all groups of pages . ...

... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

... This example shows the Interference removal for the Baker Electron Density data (Qihou Zhou). ... The Arecibo ISR can measure velocities to an accuracy within 1 m/s for an integration time of 30 second in the D-region. ... The Arecibo ISR can measure the neutral winds and temperature in the E-region. ... We are working on to get the ion neutral collision frequency as well. ... The other parameters that we regularly measure include electron temperature, vector ion drift, light ion contents etc. ...

This module provides for executing CGI scripts based on media type or request method. ... Source File: mod_actions.c . ... Action . ... Syntax: Action action-type cgi-script . ... Examples: # Requests for files of a particular type: Action image/gif /cgi-bin/images.cgi # Files of a particular file extension AddHandler my-file-type .xyz Action my-file-type /cgi-bin/program.cgi . ... This directive adds an action, which will activate cgi-script when a file is requested using the method of method . ...

... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

... Supermicro MBD-X9SRL-F-O... ... Supermicro MBD-X9SRL-F-O... ' title='Цирковое шоу 'Мечта'' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> . Бренд: APC, Мощность: 500 VA и менее, Тип: Off-Line/Stand-By/Back-up, Разъемы питания: 4, Цвет корпуса: Белый . ... Тип кабеля: USB 2.0 тип A - microUSB 2.0, . ... Характеристики: Тип:  однорычажный;Материал корпуса:  латунь;Покрытие:  гранит;Вытяжной шланг:  нет;Цвет:  серый беж. ...

. Russian Version [ MS-Win ] . [ News ] . [ Satellite data ] . [ SMIS ] . [ ] . Cities . Rivers . Fires . Clouds . Sea and lakes . Miscellaneous . Back to SMIS Home Page .

I'm glad you're interested in collaborating on the ConcepTests for Astronomy WWW database project! ... Paul . ... a) high luminosity, high temperature to low luminosity, low temperature . b) high luminosity, low temperature to low luminosity, low temperature . c) high luminosity, low temperature to low luminosity, high temperature . d) high luminosity, high temperature to low luminosity high temperature. ... Back to Paul Green's Peer Instruction page. ... Back to Paul Green's HomePage . ...

... At the simplest level of modelization, these phenomena are described by reaction-diffusion equations. The theory of this type of equation is far away from being fully understood but one can give however several results providing in some cases existence of solutions and their qualitative behaviour. ... Reaction-diffusion equations. ... Theory of uniformly elliptic equations: existence, regularity, Schauder theory, Agmon-Douglis-Nirenberg theory, Harnack estimates, boundary Harnack principle. ...

The ultimate force in the universe: Some thoughts about gravity. ... Gravity through the ages Aristotle: Earth, water, fire, air. Earth and water fall `down' to the center of the cosmos (geocentric or earth centered universe). The more earth or water in the object, the faster it is attracted to the center. ... Determines the fate of the universe (expand forever, or contract back in a `"big crunch"). ... Determines the fate of stars when they die (white dwarfs, neutron star, or black hole). ...

Estimate the load to be lifted. ... If there is ANY doubt about your ability to lift a load by yourself, get assistance...it will save time in the long run and protect your back. TEAM WORK - when lifting with another individual, lift smoothly to avoid strain produced by jerky movements. ... When lifting from a lower level, kneel or squat by bending the knees to get close to the level of the object. ... LIFTING : Bend with your knees, not your back. ... Lift objects only chest-high. ...

... Making a Case for METI . ... Many leaders of the modern SETI community oppose the deliberate transmission of messages from Earth to the stars in attempts to communicate with extraterrestrial intelligence (ETI). ... Like Arecibo, our transmissions include scientific information. ... METI is not scientific . ... So, to increase the likelihood of effective communication across interstellar space, we include in our METI transmissions non-scientific messages: text, audio, video, art, music, etc. ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... AstroAsciiData is a Python module to handle ASCII tables. ... The idea to develop this Python module emerged from the fact that ASCII tables continue to be one of the most popular and widely used data exchange formats in astronomy and probably science in general. ... To load this ASCII table, go into Python, load the AstroAsciiData module and read in the table with: . ... demo = asciidata.open('webexa.txt') . ... Users who only want to work with ASCII tables neeed no further python modules. ...

... DFS projects To-do lists rules and recommendations . Each DFS project has to manage action items, i.e. create and update his own To-Do list. These lists are all accessible from the specific DFS Department Home Pages (select one project). ... Each To-Do list has to be described via 2 files: . ... The 2 To-Do list files must be regularly updated by each DFS project manager, in order to be reviewed during every corresponding DFS bi-monthly project meeting held with the DFS Department Head . ...