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1. APOD: December 7, 1998 - Star Forming Region RCW38
... December 7, 1998 . Star-Forming Region RCW38 . ... Explanation: Star cluster RCW38 was hiding. This open cluster of stars is located about 5000 light years away towards the constellation of Vela . ... The reason is that the open cluster is so young that it is still shrouded in thick dust that absorbs visible light. ... When viewed in infrared light , however, the star cluster in RCW38 is revealed, because dust is less effective at absorbing infrared light. ... About APOD > . ...
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Ссылки http://www.sai.msu.su/apod/ap981207.html -- 4.4 Кб -- 02.10.2012
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2. Orion: The Big Picture
Astronomy Picture of the Day . ... 1.12.1997 . ... Credit: J. C. Casado Explanation: Orion is big. ... Components of this cloud include the Horsehead Nebula , the Orion Nebula , the Trapezium open cluster , and small disks containing stellar systems which are just forming. ... Close inspection of the photo's center should reveal the three stars which form the belt of Orion . ... Publications with keywords: nebula - Orion . Publications with words: nebula - Orion . ... Orion s Horsehead Nebula . ...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/1997-12-01 -- 13.6 Кб -- 18.08.2003
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3. APOD: December 18, 1999 - Irregular Galaxy Sextans A
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. December 18, 1999 . Irregular Galaxy Sextans A . ... Their newly formed, bright, blue star clusters found along beautiful, symmetric spiral arms are guaranteed to attract attention. But small irregular galaxies form stars too , like this lovely, gumdrop-shaped galaxy, Sextans A . ... About APOD > . ...
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Ссылки http://www.sai.msu.su/apod/ap991218.html -- 4.4 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/sexaubv_hunter.html -- 4.3 Кб -- 04.03.2001
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/sexaubv_hunter.html -- 4.3 Кб -- 04.03.2001
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4. A Spectacular View of the Lagoon Nebula | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Telescopes and Observatories . ... The majestic star-forming region in the Lagoon Nebula. The pale ring to the right is an internal reflection in the telescope.€а (Image credit: ESO/ VPHAS+/ V. Kalari and J. Vink (Armagh Observatory) . ... The 18 component images were further processed twice. ... Venu and his colleagues use images like this to identify individual young forming stars in the Lagoon Nebula and determine their ages. ...
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Ссылки http://www.armaghplanet.com/blog/a-spectacular-view-of-the-lagoon-nebula.html -- 45.4 Кб -- 09.04.2016
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5. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/jetplane.html -- 21.9 Кб -- 09.04.2016
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6. AdelePlunkettAstro
... This is the truly fun part, observing molecular and atomic gas in star-forming regions with a variety of telescopes. Depending on the temperature and density of the gas, different observations are necessary to study the components of star-forming regions. Because stars form in cool gaseous regions, I most often use radio and sub-mm observations, but I also look for opportunities to make complementary observations using infrared and optical telescopes. ... Copyright 2015 Adele Plunkett. ...
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Ссылки http://www.eso.org/~aplunket/research.html -- 5.0 Кб -- 18.11.2015
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7. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Although the comet itself never comes dangerously close to the Earth, the particles of dust that it has shed during its many past passages through perihelion found their way into the Earth's atmosphere, appearing as meteors in the cold December sky. ... Animation 1 . ... An Ursid meteor captured by the Armagh Observatory's NE-facing meteor camera in the early morning of 23rd December. ... Meteor Showers Online . ...
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Ссылки http://star.arm.ac.uk/press/2008/Ursids.html -- 10.8 Кб -- 23.02.2010
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8. http://www.stsci.edu/~jkalirai/PressStarClustersUCSC.pdf
... Kalirai and Harvey Richer of the University of British Columbia led the study, which began as an investigation of a globular star cluster in the Milky Way galaxy known as NGC 6397. ... Within the population of stars and galaxies behind NGC 6397, the Hubble image revealed a large elliptical galaxy that contains several hundred globular clusters. ... In fact, a single giant star in NGC 6397 appears 10 million times brighter than one of the distant globular clusters. ...
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Ссылки http://www.stsci.edu/~jkalirai/PressStarClustersUCSC.pdf -- 131.4 Кб -- 19.09.2008
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9. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BEBF5D4F3-3099-4674-84E7-0F96BDBAE87C%7D
Astronomers have discovered a massive cluster of young galaxies forming in the distant universe. The growing galactic metropolis, named COSMOS-AzTEC3, is the most distant known massive "proto-cluster" of galaxies, lying about 12.6 billion light-years from Earth. ... The other dots in this picture are stars or galaxies that are not members of the cluster тАФ most of them are located closer to us than the cluster, but some are farther away. The two brightest spots are stars. ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BEBF5D4F3-3099-4674-84E7-0F96BDBAE87C%7D -- 4.2 Кб -- 10.04.2016
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10. http://www.naic.edu/~astro/frontiers/NewScieComa_Apr07.pdf
... Special Reports Giant space cloud may be powered by black holes 17:57 23 April 2007 NewScientist.com news service David Shiga An enormous cloud of roiling plasma in space may be drawing its energy from black holes, new observations suggest. Such clouds might be sources for the mysterious particles that occasionally crash into Earth's atmosphere at ultra - high speed. ... But higher energy particles in the cloud may be able to escape, he says. ...
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Ссылки http://www.naic.edu/~astro/frontiers/NewScieComa_Apr07.pdf -- 1194.3 Кб -- 10.09.2007
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11. http://www.iki.rssi.ru/conf/2009elw/presentations/presentations_pdf/session7/ManagadzeN_ELW.pdf
... It can · · obtain ice sample from 20 cm or deeper surface layer, then melt it and extract biomass from the ice surface water by filtration; Laser TOF MS for the measurements of element composition of the biomass; Gas TOF MS for the detection of: 1) volatile components, generated at the heating of biomass sample (closed window mode); 2) secondary ions , emitted from ice matrix by the influence of energetic magnetosphere ... Spectrum of yeast sample. ... Laser TOF MS 6. ...
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Ссылки http://www.iki.rssi.ru/conf/2009elw/presentations/presentations_pdf/session7/ManagadzeN_ELW.pdf -- 1581.2 Кб -- 02.03.2009
[ Текст ] Ссылки http://www.cosmos.ru/conf/2009elw/presentations/presentations_pdf/session7/ManagadzeN_ELW.pdf -- 1581.2 Кб -- 02.03.2009
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[ Текст ] Ссылки http://www.cosmos.ru/conf/2009elw/presentations/presentations_pdf/session7/ManagadzeN_ELW.pdf -- 1581.2 Кб -- 02.03.2009
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12. Cluster Analysis
... The routines implemented are CLUSTER which has 8 options for hierarchical clustering and PARTITION which carries out non--hierarchical clustering. ... The former is non--hierarchical clustering or partitioning. The latter is hierarchical clustering. Brief consideration will show that a sequence of n-1 agglomerations are needed to successively merge the two closest objects and/or clusters at each stage, so that we have a set of n (singleton) clusters, n-1 clusters, ..., 2 clusters, 1 cluster. ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node214.html -- 4.3 Кб -- 23.02.1996
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13. Astronomy HyperText Book: Stellar Clusters
Stellar Clusters are very useful laboratories for empirically studying stellar evolution. ... All cluster stars are at the same distance . All cluster stars have the same physical age . ... CM diagram Young Cluster In this case we see the Main Sequence fully represented. The blue dots represent massive stars with short main sequence lifetimes. ... Thus, identifying the most massive star which is still on the main sequence is an effective means of determining the age of a stellar cluster. ...
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Ссылки http://zebu.uoregon.edu/textbook/sc.html -- 3.5 Кб -- 23.01.1998
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14. http://www.wdcb.ru/stp/data/geo_hour.val/Readme.txt
This Directory contains mean hour values of geomagnetic field components at observatories in Russia and other repub- lic of Former Soviet Union (FSU). The List of these observatories has indication of Data Years. ... Files are prepared in the DOS format. The Format for mean values follows after this list of the geomagnetic observatories. ... 21-116 24I4 24 4-digit hourly mean values for the day. ... If any of the hourly mean values for the day are missing 9999 will appear as the daily mean. ...
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Ссылки http://www.wdcb.ru/stp/data/geo_hour.val/Readme.txt -- 7.0 Кб -- 26.11.2015
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15. The Acceleration of the Aurora
The "ring of fire" seen by satellite cameras around the polar caps (picture below) is probably created by electrons leaking from the tail's plasma sheet, whose magnetic field lines form a somewhat imperfect trap. ... One possible explanation involves the close association between auroral arcs and electric currents which flow along field lines between the ionosphere and distant space ( Birkeland currents ). ... That produces an extra resistance to the flow of current. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/waurora2.html -- 8.5 Кб -- 21.12.2007
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16. http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2004/dusty04-sdss-interacting-poster.pdf
... Tidal influence on each of the galaxies in our sample is quantified by identifying and measuring the distance to the nearest companion, using a photometric technique with good completeness characteristics. ... Massnormalised starformation rates were derived using galaxy stellar masses estimated from zband luminosities Nearest companions were identified using the algorithm illustrated in Figure 1. ... Some of the lowredshift galaxies in our sample with close companions are illustrated in Figure 3. ...
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Ссылки http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2004/dusty04-sdss-interacting-poster.pdf -- 1653.4 Кб -- 25.11.2009
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17. Optical component of GRB080319B
Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/GRB080319B/ -- 3.9 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/GRB080319B/ -- 3.9 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/GRB080319B/ -- 3.9 Кб -- 02.10.2012
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18. The Laboratory of Astrometry
... Observatory . ... The Laboratory of Astrometry . Dept. for Physics of Stars&Galaxies . ... Astronomical Calendar . ... UkrVO . ... The purpose of research: Creating a stellar catalog to study the structure and kinematics of star systems, including open star clusters and stars with large proper motions; the enhancement ICRF / Hipparcos system to stars dawn to 17 m (V); Search of binary systems of brown dwarfs and determination of their parameters; astrometry of minor bodies of the Solar System. ...
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Ссылки http://www.mao.kiev.ua/index.php/en/observatory/departments/astrometrylab -- 20.7 Кб -- 10.04.2016
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19. ASP: Star Science in the Autumn Sky
In autumn 1994, two groups of astronomers announced that they had discovered Cepheid variable stars in a distant cluster of galaxies. ... As the term suggests, variable stars change in brightness over time. ... Variable stars are an ideal way to get high-school students doing real science, with real data, from the real sky. ... a sky chart to find the stars . ... Students can use the nearby stars to estimate the magnitude of Delta. ... Locate the star Delta in Cepheus and estimate its brightness . ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/32/starscience3.html -- 13.5 Кб -- 02.10.2012
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20. Amateur Telescope Makers of Boston
... Tadpole Emission Nebula and the Flaming Star Nebula . The constellation of Auriga harbors the cluster NGC 1893 which contains the Tadpole Nebula (IC 410). ... The Flaming Star Nebula, IC 405, is the magenta/purplish area and is the reflection portion of this nebulous region. 5nm Narrowband filters; H-alpha: O-III: S-II - 60: 60: 40 minutes x 600-second sub frames, Total= 2-hours 40-minutes, binned 1x1. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/gallery/showimage.php?id=1981 -- 4.0 Кб -- 10.04.2016
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