This set of tutorials teaches you the laboratory skills needed in first year physics. The tutorials are divided into three sections - uncertainties, data handling and circuits. These tutorials are used in the Australian National University's Physics 1 course (PHYS1101). Back to Paul Francis' Web Page .

Astronotes Armagh Planetarium's Stellar Blog! ... Milky Way . ... Space Flight . ... September . ... Posted on March 4, 2016 | No Comments We live in a galaxy тАУ a star city with several hundred billion residents. Moreover, we know our Milky Way is a spiral galaxy, with prominent arms of bright young [ ] . Continue Reading.. Posted on September 3, 2015 | No Comments ItтАЩs September and the schools are back in session. ... Posted on September 9, 2013 | ...

... In August 1989, as Voyager 2 approached the planet Neptune, I was not quite eight. ... Voyager 2 was twelve that year, racing near 65,000 kilometers an hour toward the blue planet for its last star-studded planetary encounter, "the last picture show" as scientists called it. ... John Belcher, principal investigator for Voyager's plasma science experiment at the time, recalled the moment he found out when the last picture show would take place. ...

... Kernel . ... This article is part of the LWN Porting Drivers to 2.6 series . The kernel's handling of device interrupts has been massively reworked in the 2.6 series. ... If no interrupt handler for a given IRQ has been registered, the kernel knows that any interrupt on that number is spurious. ... If your interrupt handler recognizes and handles a given interrupt, it should return IRQ_HANDLED . ... can also be used; handled should be nonzero if the handler could deal with the interrupt. ...

Welcome to Sergei Shugarov Home Page . Cataclysmic Variables Investigator . ... Cataclysmic Variable Star Home-page: http://cataclysm.sai.msu.ru) . ... Ikeya-Zhang Comet ephemeris, 2001-2003 . ... The Astronomical Conferences: . ... 31 March - 3 April 2004. ... 2004 . ... 2003 Conference in Gettingen, August 2001 . ... Conference on Variables Star, Odessa, August 2001 . Russian Astronomical Conference, August, 2001 Saint-Peterburg . Conference of Nova Star, Spain, Sitges, 20-24 May, 2002 . ...

Celestron Forum Message . Forums: . ... Post . ... Celestron 150 Mm Newtonian Help Needed . ... Post Message | ... He had (some time before) purchased a Celestron 150mm Newtonian with a 1000mm FL and a 6x30 LER Finder. ... To make a long story short, she wants to sell it as she has no interest in astronomy. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Solar PV Arrays (needs storage) . 2 .Magic Hydro Power that doesn't kill salmon (does not need storage) . ... You need to realistically calculate the capital costs of building the facility, how much land it will utilize, and what the operating costs are. ... Energy storage = 40 kilowatt hours per gram. ... You are to build an energy model from this array of power generating facilities and energy storage that you will be sustainable and deliver energy at a reasonable cost to the consumer. ...

... 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 ? ...

... Tonight's Sky . ... Search By Name Enter coordinates Use current location . ... Observing . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... How do astronomers use Cepheid variables to measure distances? ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... Changed format option parsing routine in bp-p-options. added opt_reverseauthor to bp-refer, and added options parsing. 0.1.1 perl5/ad425.ref->ad425.bib in 25.3 seconds perl5/timetest.pl 2.31s total, 1.03, 1.01, 3.52 Added p-output.pl. ... No noticible change in running time, which means the debugging statements aren't slowing us down enough to worry about dropping them. 0.0.11 perl5/ad425.ref->ad425.bib in 22.7 seconds perl5/timetest.pl 1.98 total, 1.02, 1.01, 3.39 Added format registration. ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

... int[] . ... ExtensionDescriptor (java.lang.String theName, int[] theArgTypes, MacroExtension theHandler) . ... public static ExtensionDescriptor newDescriptor (java.lang.String theName, MacroExtension theHandler, int t1, int t2) . public static ExtensionDescriptor newDescriptor (java.lang.String theName, MacroExtension theHandler, int t1, int t2, int t3) . public static ExtensionDescriptor newDescriptor (java.lang.String theName, MacroExtension theHandler, int t1, int t2, int t3, int t4) . ...

... Massive stars, having 10-150 masses of the Sun, with metallicities Z tens to hundreds times less than that of the Sun (Zo), are the main regulators of the galaxy formation and evolution processes in the early Universe. ... In this galaxy, using the 6 m BTA telescope, a new massive blue variable star with high luminosity (>=10 5 Sun's luminocities in visible light) was found. As far as its properties are concerned, this star falls into an LBV (Luminous Blue Variable) class of stars. ...

Next: When the clock is Up: Keeping Time Previous: The hardware and software . In the Debian system, the system time zone is determined by the symbolic link /etc/localtime љ . ... If it is unset, the system time zone is assumed. ... The date љ command shows the current date and time. ... date љ is also used to set the kernel's software clock: # date 07142157 . ... While each user can have his own time zone, the clock is the same for everyone. date љ only shows or sets the software clock. ...

General Information . ... The conference is organized by the Sternberg Astronomical Institute (SAI) of Moscow University and the IAU Working group "Site-testing Instruments" . ... Use of site data in telescope operation and adaptive optics. ... Recent conferences on this subject (2007, 2008) demonstrated great interest of the community, hence the need for a new meeting. ... Unlike previous recent conferences, this meeting will cover all aspects of site monitoring for optical/IR astronomy. ...

Catalogue of eclipsing variables (CEV) is the world's principal database of eclipsing binary systems with available classification. CEV contains identifications, classifications, photometry, periods, eclipses data, spectral types, references and notes for 7179 systems. Format of the current CEV . CEV main table (~1.0MB) . ... List of systems, erroneously classified as eclipsing binaries in GCVS (they are not included in the CEV main table) Download all files as a single archive (~0.6MB) . ...

In Actor Prolog a resident is a special mechanism that helps processes to inspect state of other processes. A resident observes the state of a specified (target) process and if the state of the process changes (for instance, after message handling) it proves a specified predicate of the process. ... Work of the resident. ... Any change of the list of target processes or arguments of resident function results in activation of the resident and repeated collection of information in the target worlds. ...

... Observing . ... Home Education Workshops at Adorama Astronomy Workshop: Observing Variable Stars from the City ? February 15, 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Presented by€а Adorama €аFor the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...