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1. The Secret of the Black Aurora
... The Secret of the Black Aurora . ... 1.01.2002 . ... These gaps in normal bright aurora are frequently recorded but rarely questioned. Recent research using data from four Cluster spacecraft orbiting the Earth has now likely found the secret: black auroras are actually anti-auroras. ... In black anti-auroras, however, negatively charged particles are sucked out from the Earth's ionosphere along adjoining magnetic field lines. ... 2001 2002 . ... Publications with keywords: aurora - black aurora . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1174330 -- 15.4 Кб -- 18.01.2002
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2. APOD: 2002 January 1 - The Secret of the Black Aurora
... 2002 January 1 . The Secret of the Black Aurora . ... Explanation: What causes black aurora? These gaps in normal bright aurora are frequently recorded but rarely questioned. Recent research using data from four Cluster spacecraft orbiting the Earth has now likely found the secret: black auroras are actually anti-auroras. ... In black anti-auroras, however, negatively charged particles are sucked out from the Earth's ionosphere along adjoining magnetic field lines. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap020101.html -- 4.9 Кб -- 01.10.2012
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3. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... September Perseid meteors captured by the . ... Its occurrence provides astronomers with interesting new data about the hidden trails of meteoroids тАФ small bodies ranging in size from fine dust particles to objects of marble-size and larger тАФ in the solar system and their supposed sources: comets and asteroids passing through the inner solar system. ... The particular comet that created the September Perseids is unknown...
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Ссылки http://star.arm.ac.uk/press/2013/meteor-outburst.html -- 9.3 Кб -- 18.09.2013
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4. Photo album: Italy: Florence and Rome, September 1999
... Large . ... Normal . ... Thumbnails . ... Enter: Large | ... Contents with thumbnails: Large | ... Florence streets . ... Rome. ... Sunday, 12 September. ... Monday, 13 September. ... Tuesday, 14 September. ... Wednesday, 15 September. ... Thuesday, 16 September. ... Friday, 17 September. ... Saturday, 18 September. ... There's also index of the complete set of photos with thumbnails. ... return to photo album contents | ...
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Ссылки http://crydee.sai.msu.ru/photo/firenze.1999/index.html -- 6.7 Кб -- 14.10.1999
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5. Solar Energetic Particles
We cannot observe the way the distant universe accelerates cosmic rays or produces energetic photons, but acceleration processes also occur on our Sun , though on a much more moderate scale. ... That is why such events are often missed by cosmic ray detectors near the equator, where the lowest energies are excluded by the Earth's magnetic field. The best detectors for observing solar particles are therefore those sensitive to the lowest energies of the cosmic radiation. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wsolpart.html -- 8.6 Кб -- 21.12.2007
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6. Normal galaxies in the XMM-Newton fields: X-rays as a star formation indicator
... We use the first XMM serendipitous source catalogue (1XMM) to compile a sample of normal X-ray galaxies . ... We combine our emission line sample with earlier works forming the most comprehensive X-ray selected galaxy sample for the study of the X-ray luminosity to the H? luminosity - a well-calibrated star-formation indicator - relation. ... We find that the X-ray luminosity strongly correlates with the H? luminosity, suggesting that the X-rays efficiently trace the star-formation. | ...
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Ссылки http://www.atnf.csiro.au/people/Matthew.Whiting/papers/html_abstracts/XMM_normal_gals_abs.html -- 4.1 Кб -- 27.11.2009
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7. A collection of images
... The TRACE images may be used without restrictions in publications of any kind. ... These two images, taken on 18 November 2000 at 15:54UT and 16:11UT, respectively, show such an event: the red circle in the image to the left shows a region where many loops are cooling, with bright loop tops (the intensity scales with the square root of the image to reduce the dynamic range). ... See also a collection of images related to the Sun, other cool stars, and solar-terrestrial effects . ... Images | ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sun/T171_20001101_101547.html -- 13.0 Кб -- 28.12.2000
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8. Labo J.-V.Poncelet: M.Raffinot
... Text algorithms, pattern matching, computationnal biology, comparative genomics . ... Ph.D. in Computer Science, October 1999. ... G. Navarro and M. Raffinot. ... A. Bergeron, C. Chauve, F. de Montgolfier and M. Raffinot. ... M. Habib and C. Paul and M. Raffinot. ... In Proceedings of the 15th Annual Symposium on Combinatorial Pattern Matching, number 3109 in Lecture Notes in Computer Science. Springer-Verlag, Berlin, 2004. ... In Theoretical Computer Science , 320(2-3), pages 955-418, 2004. ...
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Ссылки http://www.mccme.ru/lifr/pers/raffinot.htm -- 3.1 Кб -- 04.10.2006
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9. Analysis of extended sources or in the vicinity of moderately bright sources
XMM-Newton Science Analysis System . ... Meta Index / Home Page / Description / Out-of-time events . If withoutoftime =y the task does not create the ``normal'' events file but uses the input file instead to create an event file where all events are treated as out-of-time events. ... Similarly, for Full Frame and Extended Full Frame modes (currently) the 11 rows closest to the CAMEX are set bad onboard but sources in these rows may also cause unrecognized out-of-time events. ...
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Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/epevents/node7.html -- 6.4 Кб -- 02.07.2008
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10. Solar Energetic Particles
... Magnetic Storms . ... Cosmic Rays . ... Energetic Particles . ... Solar fast Particles . We cannot observe the way the distant universe accelerates cosmic rays or produces energetic photons, but acceleration processes also occur on our Sun , though on a much more moderate scale. ... That is why such events are often missed by cosmic ray detectors near the equator, where the lowest energies are excluded by the Earth's magnetic field. ... Should we be concerned about solar energetic radiation? ...
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Ссылки http://www.cosmos.ru/mirrors/stern/Education/wsolpart.html -- 12.2 Кб -- 24.03.2006
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11. Interacting Electrons in Normal Metals
... MIPT Solid State Physics Department . ... Interacting Electrons in Normal Metals . ... The course is an introduction to interacting Fermi-particle physics and intended for future experimentalists. ... Hartree-Fock approximation. ... Linear reaction function. Calculation of density-density reaction function. Relation of density-density reaction function to compressibility of Fermi liquid and thermodynamic state density. ... Density-density reaction function of free Fermi gas in long-wave limit. ...
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Ссылки http://www.issp.ac.ru/engl/education/miptsspd/53-interactingelectronsinnormalmetals- -- 17.3 Кб -- 10.04.2016
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12. Low Surface Brightness Galaxy Gallery
In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...
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Ссылки http://zebu.uoregon.edu/sb2.html -- 4.8 Кб -- 26.05.2000
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13. Alexander V. Zaitsev
... thesis: "Problems of Theory of Non-Equilibrium Processes in Superconducting Structures" . ... Волков А. Ф., Зайцев А. В., О несимметрии распределения квазичастиц в сверхпроводниках и нормальных металлах, ЖЭТФ, 69 , 2223-2230 (1975) [Sov. Phys. JETP, 42 , 1130-1134 (1976)]. ... Артеменко С. Н., Волков А. Ф., Зайцев А. В., Эффекта Джозефсона и коллективные колебания в тонкопленочных сверхпроводящих мостиках, Письма в ЖЭТФ, 27 , 122-125 (1978) [JETP Letters, 27 , No.3, (1978)]. ...
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Ссылки http://www.cplire.ru/html/oxide233/zav.html -- 8.3 Кб -- 01.09.2005
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14. dictionary
... X-rays are made up of photons that are emitted from stars, or quasars, or supernovae, the sun, or simply: anything that is undergoing a change either in size or temperature or giving out heat. ... in an X-ray binary star system, in which one normal star's orbit is crossed by a neutron star, when the neutron star by means of gravitational pull takes matter from the normal star X-rays form. ... Artists conception of a normal star (HDE 226868) and a black hole taking matter from the normal star. ...
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Ссылки http://hea-www.harvard.edu/CHAMP/EDUCATION/PUBLIC/dictionary.html -- 16.6 Кб -- 02.10.2012
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15. http://www.naic.edu/~tghosh/now/dynspec_20_50.desc
... Here are some general thoughts about the role of Mark5 recording in pulsar experiments. Pulsar work with the Mark5 Backend: Advantages: Flexibility: Set frequency time resolution after observations, enabling multiple analyses of the data. ... We can use the Mark5 recorders to gauge stability of the other pulsar timing backends: at multiple telescopes, and multiple epochs). ... The properties of these features changes as the scattering medium changes on day-month time scales. ...
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Ссылки http://www.naic.edu/~tghosh/now/dynspec_20_50.desc -- 5.2 Кб -- 07.03.2009
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16. FORS1: Sky Flats and Rotator Effect
Median Twilight Image . all frames normalized by their median before averaging and corrected for 4-port structure) . Median of Normalized Twilight Images at Rotator Angle 0 . Median of Normalized Twilight Images at Random Rotator Angle . Time Frame and Rotator Angle Distribution . B_UT2_2CCD: 134 frames . ... distribution of rotator angles) . U_UT2_2CCD: 106 frames . ... uncorrected median twilight image) . B_UT2: 298 frames . ... U_UT2: 246 frames . ... B_UT3: 266 frames . ...
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Ссылки http://www.eso.org/~smoehler/FORS_ROT/FORS1_ROT.html -- 10.7 Кб -- 04.06.2009
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17. Solar Physics
... Other Characteristics of the Sun: Variability of Rotation, Magnetism, Chemical Structure, Planetary System. ... Methods of Solar Magnetic Fields Measuring: Visual, Photografic, Photoelectric. ... Empiric Datas of Magnetic Fields in Photosphere, Chromosphere and Corona. ... Characteristics of Magnetic Field in Balanced Force Tubes by Potential and Forceless Field. ... Phenomenons in Active Region (Magnetic Field, Spots, Torches, Solar Prominences, Flares, Discharges. ... Magnetic Fields in Flares. ...
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Ссылки http://space.univ.kiev.ua/courses/fiz_son_e.html -- 6.3 Кб -- 23.02.2005
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18. Simulation of a Distant Cluster of Normal Galaxies
... We have simulated the observations of a very distant cluster of galaxies at high redshift. ... The simulations are made for the HST instruments FOC, WFPC II, and the Advanced Camera, and for an 8-m telescope on the ground equipped with adaptive optics. ... A comparison of the fields of view of post-COSTAR HST imaging instruments with the Advanced Camera (AC) and the ground-based adaptive optics camera (AO) is shown in Fig. 1 superimposed on the noise-free cluster simulation. ...
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Ссылки http://www.stsci.edu/stsci/meetings/irw/proceedings/cauleta.dir/section3_2.html -- 11.5 Кб -- 15.04.1994
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19. Linear polarization: wavelength dependence
... Fitting the observed dependence includes calculations of the polarization cross-sections averaged over particles orientation and size distribution, their normalization and the comparison of obtained dependencies with Serkowski's curve representing observational data for a chosen star. ... Variations of the polarization factors with wavelength are shown in Fig. 16 for homogeneous spheroidal particles with PF orientation. ... The distinction between prolate and oblate spheroids is also clearly seen. ...
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Ссылки http://www.astro.spbu.ru/DOP/8-GLIB/ASTNOTES/node7.html -- 18.9 Кб -- 19.11.2010
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20. ASP: Contents, September/October 2005
home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Publications of the ASP (PASP) . ... Astronomy Beat . ... Mercury Magazine Contents and Select Excerpts . ... September/October 2005 . ... As much a need for the science community as for the nation, the astronomy education and public outreach profession is [finally] coming into existence. ... Sky Events, Richard Talcott . September Sky Map | October Sky Map | ... education | ...
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Ссылки http://www.astrosociety.org/pubs/mercury/34_05/contents.html -- 22.9 Кб -- 20.04.2012
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