... 2010 October 10 . Moonquakes Surprisingly Common . Credit: Neil Armstrong , Apollo 11 Crew , GRIN , NASA . Explanation: Why are there so many moonquakes? A recent reanalysis of seismometers left on the moon by the Apollo moon landings has revealed a surprising number of moonquakes occurring within 30 kilometers of the surface. ... The cause of the moonquakes remains unknown, with one hypothesis holding that landslides in craters cause the vibrations. ... About APOD | ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. November 8, 1996 . A Solar Corona Ejection . ... One reason, besides the extreme heat, is that explosions are common there . In the above picture, magnetic fields buckle releasing previously constrained hot material from the upper atmosphere of the Sun . ... CMEs are more common but less intense than solar flares . ... About APOD | ...

... See the Karma User Manual section on commonfeatures . ... See the Karma User Manual section on loadingdata . ... See the Karma User Manual section on colourcontrol . ... See the Karma User Manual section on movies . ... See the Karma User Manual section on hardcopies . ... Zooming љ љ . ... See the Karma User Manual section on zooming . ... See the Karma User Manual section on resizingdisplays . ... See the Karma User Manual section on axislabels . ... See the Karma User Manual section on magnifier ...

... Credit Copyright: Daniele Boffelli Explanation: Auroras usually occur high above the clouds. The auroral glow is created when fast-moving particles ejected from the Sun impact the Earth's magnetosphere , from which charged particles spiral along the Earth's magnetic field to strike atoms and molecules high in the Earth's atmosphere . ... The relative heights of clouds and auroras are shown clearly in the featured picture from Dyrholaey, Iceland. ... Publications with keywords: aurora - clouds . ...

... The Cross-Quarter Days thus mark the middle of each season under our current system, or seasonal boundaries under the alternative system. ... Beltane / Bealtaine - Celtic bonfire festival May 4-7 2nd Cross-Quarter Day May 5 - Cinco de Mayo (Mexico) May 2nd Sunday - Mother's Day May last Monday - Memorial Day ( Decoration Day , officially May 30) June 14 - Flag Day June 3rd Sunday - Father's Day June 20-22 2nd Quarter Day - Summer Solstice June 21 - Litha (Norse/Anglo-Saxon for ...

Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders . ... Archives . ... Fancy statistical methods will not rescue garbage data. ... This seems hardly true unless the astronomer knows the true underlying population distribution from which those realizations (either binned or unbinned) are randomly drawn. ... A common error is to specify a confidence interval in the form (estimate ? ... Category: Bad AstroStat , Cross-Cultural , Quotes | ...

dfos = Data Flow Operations System, the common tool set for DFO . ... DFOS tool . level1 (main) tool, called from the command line . calling ... level 2 (helper) tool, called from a level1 tool . ... This workflow is not supported anymore by the QC operational model XXLight. ... These steps are called per data package (RUN_ID). process step . ... workflow step . ... calling .. DFOS tools: overview . ... DFS . ... Workflow tools . ... DFS : tool developed and maintained by DFS . ...

Next: Feature enhancement: local Up: No Title Previous: Feature enhancement: filtering . ... As a result, a common magnitude scale (contour lines on the maps above, or color scale on Fig.1) will poorly display the short-duration events in a signal. Normalizing each line of the map (fixed duration) so it has unit variance (in effect dividing the energy map by the mean energy spectrum) at each duration restores more details of small-scale activity (Fig. ...

Sloan Digital Sky Survey Telescope Technical Note 19970728 Edward J. Mannery and Walter Siegmund . ... Common corrector mount inspection . ... The corrector nearest the secondary mirror, the common corrector (so named because it is common to both imaging and spectroscopic configuations) is located with respect to the telescope optics support structure by the common corrector mount. ... The fused silica common corrector is 32.5 inches in diameter and is 0.47 inches thick. ...

... Gallery . ... Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: The common room floor . Description: NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. File name: The common room floor.jpg . ... The common room floor NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ...

... Searching for Far Out and Wandering Worlds . ... solar system . ... Observe the Solar System . ... Tune into the Asteroid Day press conference . ... Tour the Solar System . ... т??Trojanт?? asteroids in far reaches of solar system more common than previously thought . ... ASTEROIDS . ... Astronomers considered Trojans presence at Uranus unlikely because they thought the gravitational pull of larger neighboring planets would destabilize and expel any uranian Trojans over the age of the solar system. ...

... Bojan Nikolic web pages home . Next: Phase Correction for ALMA with 183 GHz.. ... Finding the URL for download of the ALMA Common Software (ACS) sources can be a bit tricky so for my own and maybe other peoples future reference the current URL to use is: ftp://ftp.eso.org/projects/acs/public/Releases/ . Please enable JavaScript to view the comments powered by Disqus. blog comments powered by Disqus . Copyright 2012, Bojan Nikolic feedback welcome ...

. Next: Compiler Options Up: Programming in C Previous: References . Here we list common C Compiler options. They can be tagged on to the compiler directive. Some take an additional argument. E.g. c89 -c -o prog prog.c . The -o option needs an argument, -c does not. Compiler Options . Dave.Marshall@cm.cf.ac.uk . Wed Sep 14 10:06:31 BST 1994

... R.A. = 00h55m04s.86, Decl. = -37 41'43".7 . ... Variable star in NGC 1511 . ... Variable star near Pegasus 2001bn IAUC 8624 BV anon 2001bh 7622 K star ugc11635 2001dh 7482 M star ic5374 1999db 7227 QSO anon 1999dc 7227 AGN anon 1999cx 7210 AGN anon 1999cu 7210 AGN anon 1999bs 7141 cat var ugc11093 1998di 6982 dwarf nova anon 1993U 5818 QSO anon 1993V 5818 QSO anon 1992W 5517 M star mcg 8-23-96 1992X 5517 M star mcg 6-32-24 1991ap 5327 QSO anon 1989Z 5162 var ngc4013 1985J 4059 CV ugc6274 ? ...

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... It provides for logging of the requests made to the server using the Common Logfile Format. This module has been replaced by mod_log_config in Apache 1.2 The log file contains a separate line for each request. A line is composed of several tokens separated by spaces: host ident authuser date request status bytes If a token does not have a value then it is represented by a hyphen (-). ... day = 2*digit . ... TransferLog . ... Context: server config, virtual host . ... Module: mod_log_common . ...

... The PCIPS image processing system (Smirnov & Piskunov 1994) has been in development since 1991; the current version is 2.01. ... Key features of the system include: (1) an intuitive graphical user interface (GUI), (2) all functionality is provided by external application modules, which are easily added to the system as they are developed, (3) there is an application program interface (API) for development of custom applications, and (4) the code runs on practically any Intel-based PC. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Exoplanets . ... Space Flight . ... Science Fiction . ... August . ... By admin August 18, 2011 Posted in: August . Artist's impressions of Kepler and the light curve of transiting planet (Image credit: NASA) . ... In 1995 we knew of only nine planets (including Pluto, how times change), but in that year the first of the extra-solar planets or exoplanets was confirmed. ... Another is one of the most Earth-like worlds yet discovered . ...

The AstroGuide . ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . The Back Bay Amateur Astronomers is a group of amateur astronomers drawn together by a common interest in observational astronomy serving Chesapeake and all of Hampton Roads, Virginia. ... Web Site . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

On Wednesday 3rd March 1999 there will be an adjournment debate in the House of Commons, in the name of Lembit pik MP (LibDem, Montgomeryshire) on the threat posed to our civilisation by asteroid collisions with the Earth. A press conference will be held in Room W2 at the House of Commons at 12:00 Wednesday 3rd March. ... Mr. Tate added: " Those mentioning asteroid impacts struggle to be listened to: the whole subject suffers from a substantial giggle factor. ... Tel: (Home) 01980 671380 . ...