... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Mars . ... Observing . ... space flight . ... Astronomy for Kids . ... Sky Events . ... Observing springtime deep-sky objects with a large telescope . ... Space scientists look at future Mars exploration . ... Planetary scientists have big ideas for studying Mars. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter...

Modules | Directives | ... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... This document describes some of the major changes between the 1.3 and 2.0 versions of the Apache HTTP Server. ... On Unix systems with POSIX threads support, Apache can now run in a hybrid multiprocess, multithreaded mode. ... Also, new calls have been added that provide additional module capabilities without patching the core Apache server. ... New module in Apache 2.0. ...

... The audience is assumed to have little or no prior exposure to Java and Object-Oriented programming. ... The topics will help you to understand how to use Java to create, access, and support Java applications and applets. ... Introduce object-oriented programming concepts and how they apply to Java programming. ... Java Applications. ... To develop Java applets and applications, one must first understand the fundamental concepts of object-oriented programming (OOP) and application development. ...

Modules | Directives | ... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... This document describes some of the major changes between the 1.3 and 2.0 versions of the Apache HTTP Server. ... On Unix systems with POSIX threads support, Apache can now run in a hybrid multiprocess, multithreaded mode. ... Also, new calls have been added that provide additional module capabilities without patching the core Apache server. ... New module in Apache 2.0. ...

... This article is part of the LWN Porting Drivers to 2.6 series . This article serves as a sort of final resting place for various small changes in the kernel programming API which do not fit elsewhere. The kdev_t type has been removed from the kernel; everything which works with device numbers should now use the dev_t type. ... Consider using these while fixing your code; the next time the type of i_rdev changes, you will be happier. ... Driver porting: miscellaneous changes, designated inits . ...

... PmWiki . ... Basic Editing . ... PmWiki FAQ . ... edit SideBar . ... Go to new wiki . ... PmWiki pages look and act like normal web pages, except they have an " Edit " link that makes it easy to modify existing pages and add new pages into the website, using basic editing rules. ... Access control : PmWiki password protection can be applied to an entire site, to groups of pages, or to individual pages. Password protection controls who can read pages, edit pages, and upload attachments. ...

OptInt PmWiki : Pm Wiki / Pm Wiki . ... PmWiki pages look and act like normal web pages, except they have an " Edit " link that makes it easy to modify existing pages and add new pages into the website, using basic editing rules. ... Access control : PmWiki password protection can be applied to an entire site, to groups of pages, or to individual pages. ... This page may have a more recent version on pmwiki.org : PmWiki:PmWiki , and a talk page: PmWiki:PmWiki-Talk . ...

... Any water on Mars is locked up in the ice caps. ... The most recent successful mission to Mars is the Mars Science Laboratory better known as the Curiosity rover. ... CuriosityтАЩs primary role is to search for conditions that may have once been able to harbour any sort of bacterial life concealed beneath the Martian surface. ... Using what we know about life on Earth, where there is water, there is life, signs of water may help us understand what Mars was like billions of years ago. €а . ...

... The retweet numbers are close to the values that Twitter has for the tweets, which means that I can't have messed up too much (I wouldn't expect perfect agreement since Twitter does not guarantee that any search will return all matching tweets; also, the Twitter values are updated whereas mine are fixed until the next set of tweets gets analyzed). The most re-tweeted accounts. ... Below I show the distribution of the number of times an account tweeted (this excludes retweets made by the account). ...

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE CHANGING UNIVERSE: EVOLUTION HAPPENS! . c) Changes in the Universe . ... In a universe that is not evolving, we should see as many of these hyper-active galaxy cores in each period of cosmic history. ... An Ancient Universe - Table of Contents . ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2014 October 15 . Mysterious Changing feature on Titan . Image Credit: Cassini Radar Mapper , Cornell , JPL , ESA , NASA . Explanation: What is that changing object in a cold hydrocarbon sea of Titan? ... Subsequent observations in 2014 found the object remained -- but had changed! ... About APOD | ... A service of: ASD at NASA / GSFC . ...

... This paper describes two approaches for user interfaces to the Hubble Space Telescope ( HST ) archive. StarView is a custom interface with many interactive features for the serious archive user. An experimental World Wide Web (WWW) interface is also described, which supports some of the basic features of StarView available via standard WWW clients such as NCSA Mosaic. ... StarView is the primary user interface to the HST archive (Williams 1993; Long 1994). ...

... Mysterious Changing feature on Titan . ... 15.10.2014 . ... Credit Copyright: Cassini Radar Mapper , ASU , JPL , ESA , NASA Explanation: What is that changing object in a cold hydrocarbon sea of Titan? Radar images from the robotic Cassini spacecraft orbiting Saturn have been recording the surface of the cloud-engulfed moon Titan for years. ... Subsequent observations in 2014 found the object remained -- but had changed! ... Publications with keywords: Titan . Publications with words: Titan . ...

. XMM-Newton Science Analysis System . sas (gui-1.52.8) [xmmsas_20041122_1834-6.1.0] . Meta Index / Home Page / Reference documentation You can alter the look and feel of the GUI by changing the used fonts or using a different style for the buttons, menus etc... Subsections . Supported styles . Supported fonts . XMM-Newton SOC/SSC -- 2004-11-22

To change your password: passwd Old password: enter your current password New password: enter your new password Retype new password: re-enter your new password . Enter the command passwd and then respond to the prompts by entering your old password followed by your new one. ... The passwords will not appear on the screen as you type, to prevent other people from seeing them. If you make a mistake, the message Mismatch - password unchanged. is displayed and your password remains unchanged. ...

The Face on Mars . ... The Raw Images . Table 1: List of Viking Orbiter Images of the "Face on Mars" . ... Processing the Face Images . Table 2: Dimensions of Mercator Projected Images of "The Face on Mars" . Map Projected Images . ... Processing the "Face on Mars" Images . ... This page will provide interested persons with both the raw Viking images, transformed to GIF format, and a brief tutorial (with examples) of image processing techniques applied to create "better looking" images. ...

... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...

Next: The /dev directory Up: The root filesystem Previous: The root filesystem . The /etc љ directory contains a lot of files. ... See the chapter on init љ for further information. /etc/passwd љ . ... Lists the filesystems mounted automatically at startup by the mount -a command (in /etc/rc љ or equivalent startup file). ... etc/issue љ . ... See the magic љ and file љ manual pages for more information. /etc/motd љ . ... Files executed at login or startup time by the Bourne or C shells. ...

... B.1 New functionality . ... B.3 Semantic changes from CSS1 . ... CSS2 builds on CSS1 and all valid CSS1 style sheets are valid CSS2 style sheets. The changes between the CSS1 specification (see [CSS1] ) and this specification fall into three groups: new functionality, updated descriptions of CSS1 functionality, and changes to CSS1. ... Several internationalization features, including list numbering styles , support for bidirectional text , and support for language-sensitive quotation marks . ...

... The cal value for lbw polB changed on 04dec05. ... The Tsys jump in polB occurred with both diode 1 and diode 2 so the problem was after the switch that selects which diode to send to polB. ... The plots show tsys versus date (.ps) ( .pdf ): . ... Top: Tsys polA vs date. ... All tsys measurements switched to diode 2. 23nov05 ( dashed green ): new diodes installed. 23/25nov05 ( dashed purple ): cal values remeasured. 06dec05 ( dashed blue 1405Mhz to get off of the resonance in polA at 1400Mhz. ...