... I normally begin by asking the class what they think would be different if the Moon didn't exist, or if the Sun were closer to Earth, or if a star exploded nearby. ... The winds would be much stronger. ... In using what-if questions in the classroom, it is worth bearing in mind that students extrapolating the effects of new scenarios will encounter two different situations: direct changes to the new version of Earth and indirect changes resulting from the direct changes. ...

Еще в разделе: (Показать все результаты (>1000) - www.astrosociety.org/ )

• ASP: Making Your Own Astronomical Camera
• ASP: A Taste of Real Astronomy ? The ESA/ESO Astronomy Exercises
• ASP: Now, Voyager

... Time delay determinations in astrophysics are used most often to find time delays between flux density variations in different spectral bands and/or lines in AGNs, and different images of gravitationally lensed QSOs. ... OB used an idea to take into account the known gravitational lensing time delay to get combined radio and optical light curves and then to use them for determination of the possible radio-from-optical time delay. ... Correction for change of time delay and radio flux. ...

Еще в разделе: (Показать все результаты (>1479) - www.adass.org/ )

• POW: A Tcl/Tk Plotting and Image Display Interface Tool for GUIs
• The Communication of Images from New Generation Astronomical Telescopes
• GUI-fying and Documenting your Shell Script

... Return to the Kernel page . ... Kernel . ... This article is part of the LWN Porting Drivers to 2.6 series . One might be tempted to think that the basic task of keeping track of the time would not change that much from one kernel to the next. ... One change which shouldn't be problematic for most code is the change in the internal clock rate on the x86 architecture. In previous kernels, HZ was 100; in 2.6 it has been bumped up to 1000. ... Driver porting: Timekeeping changes . ...

Еще в разделе: (Показать все результаты (>724) - jet.sao.ru/ )

• LWN: Driver porting: per-CPU variables
• Conditionals
• LWN: Driver porting: the preemptible kernel

Next: Site Up: Summary Report Previous: Summary Report Contents . In order to relate the phenological data with climate change, it is essential that a nearby meteorological station exists which can provide information on local environmental variables such as precipitation, temperature, sunshine and humidity. The Armagh Observatory, which has the longest climate record in Ireland and one of the longest in the UK, is therefore a prime location for such a garden. ...

Еще в разделе: (Показать все результаты (>1873) - star.arm.ac.uk/ )

• What login does
• Influence of Climate Variables on Tree-Ring Widths of Different Species
• DIRECT MASSES FOR BXCIR AND PVTEL VARIABLES

... Allows webmasters to configure the response of Apache to some error or problem. Customizable responses can be defined to be activated in the event of a server detected error or problem. e.g. if a script crashes and produces a "500 Server Error" response, then this response can be replaced with either some friendlier text or by a redirection to another URL (local or external). ... New behavior . ... redirect to a local URL, or . ... Each new variable will have the prefix REDIRECT_ . ...

Еще в разделе: (Показать все результаты (>95) - neptun.sai.msu.ru/ )

• Other Programs - Apache HTTP Server
• Apache module mod_setenvif
• Upgrading to 1.3 from 1.2

... Disable this feature. alias -g '${1+ $@ }'=' $@ ' setopt NO_GLOB_SUBST else case `( set -o) 2 / dev / null ` in #( *posix*) : set -o posix ;; #( *) : ;; esac fi as_nl=' ' export as_nl # Printing a long string crashes Solaris 7 /usr/bin/printf. as_echo ='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' as_echo =$ as_echo $ as_echo $ as_echo $ as_echo $ as_echo ... 2>/dev/null || $as_echo X/"$0" | ...

Еще в разделе: (Показать все результаты (>423) - www.astro.louisville.edu/ )

• Index of /shared_skies/archive/select/messier/m15/variables
• Interpreter (ImageJ API)
• SpecifyROI (ImageJ API)

... Tonight's Sky . ... Sky this Month . ... An artificial comet holds secrets to Earths life . ... Early Mars bombardment likely enhanced life-supporting habitat . ... The Real Reality Show: Would aliens be anything like us? ... April 2016: the historic journey to Europa . The Real Reality Show: All about the Drake Equation . ... The Real Reality Show . ... The Real Reality Show: Could Life Exist on Europa or Titan? ... Only registered members of Astronomy.com are allowed to comment on this article. ...

Еще в разделе: (Показать все результаты (>4612) - www.astronomy.com/ )

• How do astronomers use Cepheid variables to measure distances? | Astronomy.com
• Is it possible for a quark star to exist? | Astronomy.com
• variable stars | Astronomy.com

... Variable Star Observing . ... Thursday, Nov 13, 2014 at 8:00 PM . While taking deep-sky images or observing double stars through the eyepiece can be fulfilling, the universe is dynamic and constantly changing - never more obviously seen than with variable stars. ... Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. ... Nov . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Еще в разделе: (Показать все результаты (>261) - www.atmob.org/ )

THE 75th NAME-LIST OF VARIABLE STARS. ... The 75th Name-List consists of two tables. ... the literature, taken from positional catalogues, including USNO A1.0/A2.0 and GSC, or determined by the authors); the range of variability (sometimes the column Min gives, in parentheses, the amplitude of light variation; the symbol ( means that the star , in minimum light, becomes fainter, than the magnitude indicated); and the system of magnitudes used ( P are photographic ...

Еще в разделе: (Показать все результаты (>21) - www.sai.msu.ru/ )

• http://www.sai.msu.su/gcvs/gcvs/nl74/readme
• Moscow Astronomical Plate Archives: Contents, Digitization, Current and

... CEPHEID VARIABLE STARS: A Cepheid variable or Cepheid is a member of a particular class of very luminous, massive variable stars with pulsation periods of 1-70 days. ... The relationship is calibrated using data collected from Cepheids whose distances are determined by other means. ... Browse through the 68 CCD fits images he sent you, using ds9 and locate the Cepheid variable. ... Image credits: ESA - "http://sci.esa.int/science-e-media/img/20/cepheid-variables.jpg" . ...

Еще в разделе: (Показать все результаты (>435) - www.mso.anu.edu.au/ )

• THE AUSTRALIAN NATIONAL UNIVERSITY
• Philip Lah's Research
• Which Programming Language Should I use

... Astronomy index . ... This tour, of the world of astronomy, physics and spaceflight, may just as well end with a light-hearted 1878 poem by the Czech poet Jan Neruda . ... Do Frogs Exist there Too ?" . ... Like moles they dig for learning. ... They call one foot, that's all. ... Do frogs exist there too?" ... star? jim ?ab?k u?en? . ... teprv jim loket jeden. ... Foot" as used here, in Czech "loket," actually means "cubit," the distance from elbow to stretched fingertips, about a foot and a half. ...

Еще в разделе: (Показать все результаты (>687) - www.cosmos.ru/ )

• F rmulas
• Formulas
• Elements of Algebra

... 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 . ...

Еще в разделе: (Показать все результаты (>143) - www.aaa.org/ )

... During the analysis of the surveys carried out on RATAN-600, it was found that almost one fifth of the detected sources shows significant radio flux variations. ... We used the data from "Cold" radio surveys carried out with RATAN-600 in 1980-1994 to search for radio sources with significant flux variability. ... On possibility of detection of variable sources using the data of Cold surveys carried out on RATAN-600. ... Detection of Variable Sources Using the Data of "Cold" Surveys. ...

Еще в разделе: (Показать все результаты (>148) - mavr.sao.ru/ )

• New Luminous Variable Star in M33

. Spherical particles . Cylinders . Spheroids To the top . Created by V.I. Last modified: 12/08/03, V.I.

Еще в разделе: (Показать все результаты (>176) - www.astro.spbu.ru/ )

• Database of Optical Constants -- Misc: SVM code(s)
• Spheroids

... 2. (a) Metallicity function and relations between (b) metallicity and radial velocity, (c) metallicity and maximum distance from the Galactic plane,and (d)metallicity and variability period for RR Lyrae variables in the initial sample.The curve in the first graph is the maximum-likelihood approximation of the distribution using a sum of two normal curves with the indicated means,dispersions,and total numbers. ... next figure | privious figure . ...

Еще в разделе: (Показать все результаты (>41) - ip.rsu.ru/ )

... Редуктор фокуса CCD f/3.3/Field Flattener and Variable T-Adapter . ... Редуктор фокуса устанавливается на выходе оптической системы и применяется для уменьшения эквивалентного фокуса телескопа, при этом увеличивая общую светосилу. ... Данный редуктор используется при фотосъемке для уменьшения общей экспозиции на 80%. ... Зеркальные цифровые фотоаппараты PENTAX . ... Бинокли PENTAX и зрительные трубы PENTAX . ... Pentax.ru . ... Copyright PENTAR ©2004-2016. (бинокли, цифровые фотоаппараты, телескопы)...

Еще в разделе: (Показать все результаты (>17) - www.pentar.ru/ )

Stellarium 0.12.3 . ... Classes . ... Class List . Class Index . Class Hierarchy . Class Members . ... Variables . ... aggregatedLog : StelQGLGLSLShader . ... altitude : StelLocation . ... defautAngleForGravityText : StelProjector::StelProjectorParams . ... epoch : varstar . ... info : Planet::SharedPlanetGraphics , StelModuleMgr::PluginDescriptor . ... locked : StelQGLInterleavedArrayVertexBufferBackend , StelQGLArrayVertexBufferBackend . ... state : StelQGLGLSLShader , StelLocation . ...

Еще в разделе: (Показать все результаты (>658) - astro.uni-altai.ru/ )

• Stellarium: StarMgr Class Reference
• Stellarium: Class Members
• Stellarium: Class Members - Functions

... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

Еще в разделе: (Показать все результаты (>11) - uranus.sai.msu.ru/ )

... 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 ? ...

Еще в разделе: (Показать все результаты (>124) - www.rochesterastronomy.org/ )

• Known variable stars near galaxies
• Historical Supernova Boneyard
• Supernovae M33varC in M33

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) . ...

Еще в разделе: (Показать все результаты (>19) - www.inasan.rssi.ru/ )