Algebraic geometry studies geometric loci defined by polynomial equations, for example the complex plane curve f(x,y)=0. ... Some experience in geometry and topology (projective spaces, metric and topological spaces, simplicial complexes and homology groups) is desirable but not essential. Projective spaces. ... Plane projective algebraic curves: point multiplicities, intersection numbers, Bezout's theorem. Plane projective algebraic curves: singularities, duality, Pluecker formulas. ...

... Tonight's Sky . ... Observing . ... Sky this Month . ... An artificial comet holds secrets to Earths life . ... The Real Reality Show: Would aliens be anything like us? ... The Real Reality Show: All about the Drake Equation . ... The Real Reality Show . ... The Real Reality Show: How Did Life Start on Earth? ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... Bojan Nikolic web pages (r. 329) . ... Obviously change this to approriate directory for your computer export INSTALLDIR = /home/bnikolic/temp/libairtest export BNMINVER = bnmin1-1.11 export LIBAIRVER = libair -0.18 # Install BNMin1 wget http://www.mrao.cam.ac.uk/~bn204/soft/ ${ BNMINVER } .tar.bz2 tar xjvf ${ BNMINVER } .tar.bz2 cd ${ BNMINVER } LD_LIBRARY_PATH = $ INSTALLDIR /lib:$PREREQPATH/lib \ PATH = $ INSTALLDIR /bin:$PREREQPATH/bin:$PATH \ ./configure --disable-pybind --prefix = $ ...

More about Getting Started with Outreach . ... You can get started doing outreach just by attending one of your club's events to see what goes on . ... Anytime you share some aspect of astronomy or observing the sky with friends, families, students, or the general public, you are doing astronomy outreach. Simple ways to get started with Outreach if you don't belong to a club . ... Easy Ways to Get Involved at your Club's Public Astronomy Events . ... Take photos of your club's events. ...

As usual: it depends! It depends on the operating system of your laptop! And then: I don't know and it's not my task to know, so please don't ask me. ... In the menu "Start" -> "(all) Programs" -> "Accessories" -> "System Tools" -> "System Information" . click on "Components" -> "Network" -> "Adapters" . ... Open a DOS-window by clicking on "Start" -> "Programs" -> "Command Prompt" and enter the command "ipconfig /ALL" . ... Here you can find a more detailed description. ...

... Data from NOAA SEC and other sources are given. ... Start . NOAA . ... End . ... MFS . ... non symmetrical absorption . ... Trace Flare Catalog and Trace Data Center . RESIK CATALOGUE (20010830-20030429) . ONDREJOV SOLAR RADIO EVENT ARCHIVE ( OSR ) . ... Yohkoh Flare Catalogue(HXT/SXT/SXS/HXS) (1998-2001) . ... Solar Activity Monitoring and Forecasting (Ondrejov) and Central European Solar ARchives (Observatorium Kanzelh he) click number of AR - images chromosphere in H? . ...

... The schedule assigned id (example: AS05) for your observing program. ... Use the time you started using the telescope including when you started taking calibrations. The time you opened for on sky observations can be entered later in the activity log. UTC End Time: . ... Focus Log: . ... The focus position can be obtained under the Telescope column of the System Status in ACP or from the run log. ... When all fields are filled out press this button to email the log to the ARCSAT and community. ...

... Resolution - 1.5-2.0 km . Swath - 450 km . ... Swath - 550 km . ... Resolution - 370 km . ... Spectral bands - 0.6-0.7 um; 0.8-1.1 um . ... Kondor - system for collection and transmission of data from sea and ice stations . ... Downlinking to ground stations (main centers) . ... Satellite's information system operates in both direct transmission mode and recording to on-board recorder mode with later downlink to ground station. ... For more information send a mail to: info@sputnik.infospace.ru . ...

... In accordance with the de-orbit plan the OC "Mir" is in a waiting mode continuing its deceleration in Earth atmosphere. During the previous day the OC "Mir" onboard systems were subject to a routine check out, the current trajectory parametres were registered. The processed information confirms the MCC readiness for the final stage dynamis operations with the OC "Mir". ... The first corrective impuls ( the cargo ship "Progress M1-5" 8 control engines are fired): . T burn start - 03.32; . ...

Stellarium 0.12.3 . ... StelCircleArcRenderer Class Reference . Provides functions to draw circle arcs using StelRenderer . ... drawGreatCircleArc (const Vec3d &start, const Vec3d &stop, const SphericalCap *clippingCap=NULL, void(*viewportEdgeIntersectCallback)(const Vec3d &screenPos, const Vec3d &direction, void *userData)=NULL, void *userData=NULL) . ... Create a circle arc renderer to draw multiple circle arcs . ... void(*)(const Vec3d &screenPos, const Vec3d &direction, void *userData)љ . ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... History . ... Educational reporting which elucidates the features of the space experiments conduct onboard the station (the ISS inertia tensor, etc.) and ways of the ISS attitude hold, on the attitude sensors and devices defining a space position of science devices, on deformation of the station hull, magnetic measurements, as well as microgravity disturbances onboard the station. ... 2015 JSC "S.P. Korolev RSC "Energia"...

... The growth phase starts the substorm process. ... Furthermore, a thin current sheet (TCS, down to 0.1 Re) forms just tailward of the dipole-like field lines (6-15 Re). This can be important for the triggering of the substorm (onset of the expansion phase). ... Res. ... Kaufmann, R. L., Substorm currents: growth phase and onset, J. Geophys. ... Kirkwood, S., and L. Eliasson, Energetic particle precipitation in the substorm growth phase measured by EISCAT and Viking, J. Geophys. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Earth Satellites . ... By admin October 4, 2012 Posted in: Moon . A tiny second moon.This is Phobos (27 km across) seen over Mars by ESA's Mars Express (Image credit:ESA) . ... They concluded that at any given time Earth probably has a second moon. ... But, just perhaps, briefly the Earth had a second natural satellite seen by thousands of people.Remember the spectacular fireball witnessed over the UK and Ireland on 21 September 2012 ? ...

... Will the Universe End in a Big Rip . ... Start with the constellation of Orion. Near Orion's belt is a fuzzy area known as the Great Nebula of Orion or M42. ... New stellar systems are forming there in gigantic globs of gas and dust known as Proplyds. ... M42: Wisps of the Orion Nebula . ... Comet NEAT Passes an Erupting Sun . ... Just as the comet swooped inside the orbit of Mercury and developed a long and flowing tail of gas and dust, the Sun emitted a huge Coronal Mass Ejection (CME). ...

... 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. ...

phpBB2 - attach_mod schema - Postgresql $Id: attach_postgres_schema.sql,v 1.3 2003/03/09 02:21:03 acydburn Exp $ */ /* Create auto_increment values */ CREATE SEQUENCE phpbb_extensions_id_seq start 1 increment 1 maxvalue 2147483647 minvalue 1 cache 1; CREATE SEQUENCE phpbb_forbidden_extensions_id_seq start 1 increment 1 maxvalue 2147483647 minvalue 1 cache 1; CREATE SEQUENCE phpbb_extension_groups_id_seq start 1 increment 1 maxvalue 2147483647 minvalue 1 cache 1; ...

... This is a preliminary summary of the event on November 24, 1996, considered during the INTERBALL Workshop in Kiljavanranta, Finland, February 1998. ... Pronounced plasma sheet thinning (Bz decrease) . ... Particle burst observed inside the Polar Cap and in tail lobes . A short burst of particles detected by the Auroral Probe particle detectors during the Polar Cap crossing at 21:45 UT, almost simultaneously with the Tail Probe detectors registration of the particle burst inside the North Lobe. ...

Download Izmccd (~2.7 MB). Installation and adjustment of program. ... Read the license agreement . If you not accept the license agreement, you must press the button " I not accept ", to delete files of the distributive version izmccd and to stop any use izmccd; otherwise, press the button " I accept ". ... Fill in areas . ... Size of pixel" in millimeters X and Y. Characteristic values are from 0.005 up to 0.040. ... Do not change other values during initial adjustment of the program. ...

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Command Line Usage ================== XmCCD may be operated without a GUI from the command line. Run xpaccd as a daemon starting it with "xpaccd ". ... See CCDCOMMANDLIST for the full dictionary. xpaget ccd exposure returns "on/off | time remaining |exposure time" xpaset -p ccd exposure on 100. starts a 100 second exposure. ds9 is automatically notified at the end of an exposure. All of the button and menu optons of the xmccd GUI have command line equivalents through XPA. ...