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Circling around magnetic field lines. ... The ring current . Because positive ions and negative electrons drift in opposite directions (see drawing), that motion will create an electric current that circulates clockwise around the Earth when viewed from north. ... How then can the radiation belt and ring current arise? ... Electric fields are able to push trapped particles earthward, and unlike the purely magnetic motion described earlier, an electric field can also energize them. ...

... Earth's North Magnetic Pole . ... Evidence indicates that the North Magnetic Pole has wandered over much of the Earth's surface in the 4.5 billion years since the Earth formed. ... Indicated in the above picture is Ellef Ringnes Island , the current location of Earth's North Magnetic Pole . ... Публикации с ключевыми словами: Earth - magnetic north - Земля - Север - Северный магнитный полюс - Полюс . Публикации со словами: Earth - magnetic north - Земля - Север - Северный магнитный полюс - Полюс . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 August 18 . Earth's North Magnetic Pole . ... Explanation: A magnetic compass does not point toward the true North Pole of the Earth. ... Evidence indicates that the North Magnetic Pole has wandered over much of the Earth's surface in the 4.5 billion years since the Earth formed. ... About APOD | ...

Click image for 768x576 . ... BTA guide (15sm refractor telescope) TV-camera . USNO-A2 Catalogue Image Simulation . Camera's Description and last night images Archive . ... Presentation of the last observed FITS-image (with WCS-header). ... direct image streaming (for Mozilla / Firefox / Netscape / Galeon / Epiphany etc) . only direct image streaming (for new Konqueror and Opera) . ... Cambozola Java Applet (for any browser with Java) ...

The Gemini South laser guide star тАЬconstellationтАЭ (upper left) is captured in this image. ... The yellow-orange beam is caused by scattering of the laser's light by Earth's lower atmosphere. The 30-second exposure was obtained January 21-22, 2011, using a 500mm f/5.6 Celestron telescope with a Canon Rebel XT camera at an ISO setting of 1600. Gemini Observatory/AURA ...

... In some ways, the Internet is the ultimate on-line service--but only if you know where to look. ... Some are created by automated agents who systematically walk the Web in search of new resources or solicit information from Internet users. ... The WWW Virtual Library from CERN offers topical and geographic indexes to Web sites. ... The Online Whole Internet Catalog is a hypertext version of the resource guide from the Whole Internet Catalog from O'Reilly Associates. ... Library of Congress . ...

... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Miscellaneous Documentation . Available Languages: en | ... It has been replaced with a new Rewrite Guide . ... Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our mailing lists . Copyright 2013 The Apache Software Foundation. Licensed under the Apache License, Version 2.0 . ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Investigations of the ionospheric response to strong magnetics storms which are usual for our latitudes, are of great interest. ... In the figure, we present ionospheric parameter dynamics during three perturbed days in July 2000. ...

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... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Online Resources . ... A Comparison of Discrete Sources in Radio and H surveys of the Magellanic Clouds - and the Potential for the New H Survey . ... Previous Section: Discrete Sources towards the . ... The comparison of the radio and H surveys resulted in the discovery of 180 sources common to both surveys. ...

. VMS Users Guide . This chapter describes how to save and restore your files to and from magnetic tape. Using CD drives to read CD-ROM disks is also covered. About Magnetic Tape... Using Tapes . CD ROMs . Generated with CERN WebMaker

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... Previous: Refining the Guide Star Catalog: Plate Evaluations . Up: Instrument-Specific Software . ... A losslessly compressed version of the Guide Star Catalog has been created by the authors and described in the present paper. ... To help PC users solve the problem of data retrieval, we have created the Guide Star Catalog Data Retrieval Software, or GUIDARES (Malkov & Smirnov 1995). ... The XSKYMAP software is an IDL widget application for retrieval, visualization and hard copy of ZGSC samplings. ...

... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

Next: Notes on Monte-Carlo Simulations Up: No Title Previous: E-P transitions for different . In this section, we describe what the Scenario Machine is and how it works. Monte-Carlo simulations љ of binary star evolution allows one to study the evolution of a large ensemble of binaries and to estimate numbers of binaries at different evolutionary stages simultaneously . ... Notes on Monte-Carlo Simulations . ... Principles of Scenario Machine Operation . ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Coronado€о Solar . ... Spotting Scopes . ...

Next: The Arecibo Observatory and Up: Astronomer's Guide to the Previous: Astronomer's Guide to the . The 305-m William E. Gordon radio telescope at Arecibo is the largest single-dish radio telescope on our planet, and is available to the global scientific community for astronomical observations at wavelengths between 6 m and 3 cm (frequencies of 47 MHz to 10 GHz). ... In Section 2 of this document, we provide an introduction to the Observatory, the telescope and its instrumentation. ...

Nowadays at the Department the experimental and theoretical investigations, including astronomical and ionospheric observations, active experiments with space vehicles are taking place. ... Solar Corona physics and erruptive phenomenae. ... Stellar astronomy. ... The Department has organized and put into practice more then 50 expeditions for observation of Solar ecllipces, aurorae polaris, comets, meteor streams, controlled space experiments, and also for investigations of geophysical characteristics. ...

... Primordial theory review : Dick Bond . Defects and the CMB review : Andy Albrecht . ... Gravitational wave contribution to CMB anisotropies : V.B. Lukash and E.V. Mikheeva . C_l from cosmic strings : Lloyd Knox . Some aspects of CMB anisotropies induced from topological defects : Mairi Sakellariadou . ... CMB anisotropies from scaling sources : Ruth Durrer . ... SZ observations I : Sarah Church . ... Holes in the microwave sky? ... Detecting cosmic strings in the CMB : James Robinson . ...