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1. APOD: 2009 April 15 - Jagged Shadows May Indicate Saturn Ring Particles
... 2009 April 15 . Jagged Shadows May Indicate Saturn Ring Particles . ... Explanation: What's causing unusual jagged shadows on Saturn's rings? ... Now Saturn's rings have been known to be made of particles for hundreds of years , but these particles have so far escaped direct imaging. It is therefore particularly exciting that a preliminary hypothesis holds that these jagged shadows are silhouettes of transient groups of ring particles temporarily held close by their own gravity. ...
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Ссылки http://www.sai.msu.su/apod/ap090415.html -- 6.3 Кб -- 18.08.2009
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2. Particle Sizes in Saturns Rings
... Particle Sizes in Saturns Rings . ... Credit: RSS , JPL , ESA , NASA Explanation: What size particles compose Saturn's rings? To help find out, the robot Cassini spacecraft now orbiting Saturn broadcast radio waves of three different wavelengths right through the rings to Earth earlier this month. The experiment was sensitive to ring particle sizes because ring particles much larger than a broadcast radio wavelength will reflect those radio waves away. ... NASA Official: Jay Norris. ...
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Ссылки http://www.astronet.ru/db/xware/msg/1205904 -- 14.0 Кб -- 25.05.2005
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3. Главная - Астрономия и Телескопостроение
... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...
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4. APOD: February 22, 1999 - NGC 1316: After Galaxies Collide
... February 22, 1999 . NGC 1316: After Galaxies Collide . ... WFPC2 , HST , NASA . ... A preliminary inspection indicates that NGC 1316 is an enormous elliptical galaxy that started devouring a smaller spiral galaxy neighbor about 100 million years ago. ... Most elliptical galaxies have more and brighter globular clusters than evident in NGC 1316 . ... One hypothesis therefore holds that these globulars survive from an even earlier galaxy that was subsumed into NGC 1316. ... About APOD > . ...
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Ссылки http://www.sai.msu.su/apod/ap990222.html -- 4.9 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/ngc1316_wfpc_big.html -- 4.8 Кб -- 04.03.2001
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/ngc1316_wfpc_big.html -- 4.8 Кб -- 04.03.2001
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5. Wavelength dependence
... The first task assumes the searching for chemical composition and sizes of particles which give the wavelength dependence of the extinction efficiencies close to the observed dependence of . Figure 7: Wavelength dependence of the extinction efficiency factors for homogeneous spherical particles of different sizes consisting of astronomical silicate and amorphous carbon. The dashed segment shows the approximate wavelength dependence of the mean galactic extinction curve at optical wavelengths. ...
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Ссылки http://www.astro.spbu.ru/DOP/8-GLIB/ASTNOTES/node3.html -- 15.8 Кб -- 19.11.2010
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6. Phil Plait's Bad Astronomy: Info
... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/info/whois.html -- 22.3 Кб -- 09.04.2016
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7. Andy Fruchter's Homepage
This is the homepage of Andrew Fruchter, an astronomer on the staff of the Space Telescope Science Institute . ... Here you can look at an HST images of the optical counterparts of gamma-ray bursts and their host galaxies. ... Therefore, substantial information on the fine scale structure of objects can be obtained by offsetting the pointing of the telescope between exposures and then combining these "dithered" exposures into a single image. ...
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Ссылки http://www.stsci.edu/~fruchter/ -- 5.2 Кб -- 01.10.2012
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8. ASP: Steering by Different Stars? Astronomers and the Dark-Sky Movement
home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Steering by Different Stars? Astronomers and the Dark-Sky Movement . ... Photo courtesy of the International Dark-Sky Association. by Susan McGowan . ... According to Arthur Upgren, senior research scientist at Yale University and emeritus professor of astronomy at Wesleyan University, only 17% of ASP members were also members of the International Dark-Sky Association in 2001. ...
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Ссылки http://www.astrosociety.org/pubs/mercury/35_04/sky.html -- 17.2 Кб -- 20.04.2012
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9. Amateur Astronomers Association of New York ? Amateur Astronomers Association
... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...
10. A matrix of tweets from #AAS223
... Circle area is proportional to the number of tweets + retweets tweets retweets . Order accounts: by user number (effectively random) by number of tweets (includes retweets) by number of followers by number of followers that also tweeted about AAS223 by number of friends that also tweeted about AAS223 . ... The top/left position is for the user with the largest number of followers, and the bottom/right is for the smallest number of followers. by number of followers that also tweeted about AAS223 . ...
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Ссылки http://hea-www.harvard.edu/~dburke/aas223/user-matrix.html -- 9.7 Кб -- 28.02.2014
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11. Other Galaxies | Astronotes - Part 2
Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Space Flight . ... Posted on April 21, 2011 | No Comments An image from the European Southern Observatory, reveals two galaxies, NGC 3169 and NGC 3166, meeting in intergalactic space. ... Continue Reading.. ... 1 Comment NGC 2841 is a rather beautiful flocculent spiral galaxy. The Hubble Space Telescope recently imaged NGC 2841 as part of an investigation into how new stars are created. ... Posted on October 28, 2010 | ...
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Ссылки http://www.armaghplanet.com/blog/category/universe/other-galaxies/page/2 -- 56.0 Кб -- 09.04.2016
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12. Magnetic fields, subatomic particles, etc., traveling in different directions
... Magnetic fields, subatomic particles, etc., traveling in different directions fill the universe. Do they deflect or otherwise affect one another? If so, isnт??t the information we get from them distorted? ... Neutrino astronomy, which is still in its infancy, is attractive because neutrinos interact so weakly with matter that few of these distorting effects occur. Get instant access to subscriber content on Astronomy.com! ...
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Ссылки http://www.astronomy.com/magazine/ask-astro/2011/03/when-particles-collide -- 63.4 Кб -- 10.04.2016
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13. Different Fortran standards
... Fortranљ66 . ... Fixed form . ... Whole Fortranљ66 . ... Continuation line indicated in column 6 . ... Blank line as comment . ... Extension in Unix .f .f .f .f90 .f .f90 . Extension in DOS .FOR .FOR .FOR .F90 .FOR .F90 . ... This applies to both fixed form and free form source code. ... Fixed form of the source code is discouraged in Fortran 95! ... In UNIX there is no concept called extension, and the extensions are not specified in the Fortran standard, but in informal manufacturer standards. ...
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Ссылки http://star.arm.ac.uk/f77to90/c18.html -- 3.7 Кб -- 17.02.1996
[ Сохраненная копия ] Ссылки http://crydee.sai.msu.ru/f90/c18.html -- 3.7 Кб -- 17.02.1996
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[ Сохраненная копия ] Ссылки http://crydee.sai.msu.ru/f90/c18.html -- 3.7 Кб -- 17.02.1996
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14. Taurid Complex
Orbital intersection . ... Structure of Taurid stream . ... Meteoroid swarm and Taurid fireballs . ... The following four diagrams schematically show four different Taurid orbits and the orbits of Earth and Jupiter. ... The Taurid stream contains particles (small, solid grains) at different stages of their precession cycles. ... The study of when a meteor stream can produce a meteor shower is the study of when precession brings orbits to intersection with Earth, or e.g. with Mars . ...
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Ссылки http://star.arm.ac.uk/~aac/zetataur.html -- 8.7 Кб -- 19.10.2007
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15. The Motion of Magnetically Trapped Particles -- History
... Files in red?history) . ... Trapped Motion . ... 10a. Particle Drift . ... Fast Particles . ... The fact charged particles circle around field lines was well known to J.J. Thomson when he experimented with electron and ion beams in a magnetic field. ... The notion of adiabatic invariance is tied with the early years of quantum theory. ... By about1910, physicists realized that these patterns indicated changes in the laws of physics as one approached atomic dimensions. ...
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Ссылки http://www.cosmos.ru/mirrors/stern/Education/whtrap2.html -- 11.9 Кб -- 24.03.2006
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16. The Solar Wind
The first indication that the sun might be emitting a "wind" came from comet tails , observed to point away from the Sun, whether the comet was approaching the Sun or whether it was moving away. ... Comet Halley, with plasma tail kink . ... Sunlight pressure cannot explain such behavior, but in 1943 Cuno Hoffmeister in Germany, and later Ludwig Biermann, proposed that apart from sunlight, the Sun also emitted a steady stream of particles, a "solar corpuscular radiation" which pushed the ions. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wsolwind.html -- 7.5 Кб -- 21.12.2007
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17. Radiation Hardness
Next: Future Work Up: CCD Scientific Performance Previous: Modes of Operation . ... However, the first experiments with Co-60 irradiation showed loss of charge transfer performance at doses of 10krads [Lumb and Holland 1988b]. ... These studies showed that the charge transfer degradation was a more severe problem than conventional integrated circuit damage mechanisms. ... Another manifestation of radiation damage is that of dark current spike generation. ...
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Ссылки http://xmm.vilspa.esa.es/user/socpub/ccd_review/node14.html -- 7.2 Кб -- 30.08.1996
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18. RADIOSUN Workshop 2014
11 august 2014/Monday: Arriving, Registration . ... The variation of solar flare coronal X-ray source spatial properties. ... Melnikov V.F., Charikov Yu.E., Kudriavtsev I.V. Directivity of X-ray and gamma-ray emission from different parts of flaring magnetic loops. ... E., Melnikov V.F. Angular characteristics of polarization degree of hard X-ray emission from different parts of flaring magnetic loops. ... The thick target model and analytical calculations of the hard X-ray emission from solar flares. ...
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Ссылки http://www.gao.spb.ru/english/personal/radiosun/program.html -- 7.7 Кб -- 25.06.2015
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19. Identify the lines in one of the rows of the spectrum
Next: Wavelength calibration Up: Getting Started Previous: Detecting lines in . ... and the Calibration Starting Row will be used for the lines identifications. ... After setting these parameters, click the button. to pop up the Identify window. ... The identification starts by clicking on , which plots one row of the spectrum in the graphic window, indicates the position of the detected arc lines with blue vertical traces and gives a cursor. ... Figure: Lines Identification Window . ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node533.html -- 5.7 Кб -- 23.02.1996
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20. Vertical Structure, figures
... The observed distributions of stars of different ages and metallisities in the Z coordinate relative to Sun: (a) young ( t 3 Gyr) metall-rich ( [Fe/H] -0.13 ) stars; (b) young metal-poor ( [Fe/H]<-0.13 ) stars; (c) old ( 3 Gyr) metal-rich stars, and (d) old metal-poor stars. ... next figure | previous figure . ...
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Ссылки http://ip.rsu.ru/~marsakov/paper2/p2fg2_1.htm -- 2.5 Кб -- 02.02.2007
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