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1. APOD: 2005 November 18 - The 37 Cluster
... 2005 November 18 . The 37 Cluster . ... Explanation: For the mostly harmless denizens of planet Earth, the brighter stars of open cluster NGC 2169 seem to form a cosmic 37. ... As far as galactic or open star clusters go, NGC 2169 is a small one , spanning about 7 light-years. Formed at the same time from the same cloud of dust and gas, the stars of NGC 2169 are only about 8 million years old. ... Over four billion years ago, our own Sun was likely formed in a similar open cluster of stars . ...
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Ссылки http://www.sai.msu.su/apod/ap051118.html -- 4.8 Кб -- 02.10.2012
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2. A Note on the Perseus Cluster
... A Note on the Perseus Cluster . ... CXC , NASA Explanation: A truly enormous collection of thousands of galaxies, the Perseus Cluster - like other large galaxy clusters - is filled with hot, x-ray emitting gas. The x-ray hot gas (not the individual galaxies ) appears in the left panel above, a false color image from the Chandra Observatory . ... Publications with keywords: galaxy cluster - X-ray . Publications with words: galaxy cluster - X-ray . ... Dwarf Galaxies in the Coma Cluster . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1192914 -- 14.3 Кб -- 12.09.2003
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3. Leonid meteors 2011 | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...
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Ссылки http://www.armaghplanet.com/blog/wonders-of-the-november-sky-leonids-meteor-shower.html -- 43.4 Кб -- 09.04.2016
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4. 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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5. APOD: November 12, 1996 - Comet Hale-Bopp Passes M14
... November 12, 1996 . Comet Hale-Bopp Passes M14 . ... Explanation : Comet Hale-Bopp continues its slow trek across the night sky, and can now be seen superposed near the bright globular cluster M14 . Will Comet Hale-Bopp become as bright in early 1997 as Comet Hyakutake did in early 1996? It is still too early to tell. ... Because of the size of coma , some speculate that the nucleus of Hale-Bopp is unusually large. ... Tomorrow's picture: Seven Jets from Comet Hale-Bopp . ... About APOD . ...
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Ссылки http://www.sai.msu.su/apod/ap961112.html -- 4.2 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Comete/ap961112.html -- 4.1 Кб -- 20.12.2000
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Comete/ap961112.html -- 4.1 Кб -- 20.12.2000
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6. The Pleiades
... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...
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Ссылки http://www.naic.edu/~gibson/pleiades/ -- 29.7 Кб -- 07.02.2015
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7. STScI Preprint #1297
... To appear in: the proceedings of IAU Colloquium 171: The Low Surface Brightness Universe , held 5-10 July 1998 in Cardiff (United Kingdom) . ... PostScript: prep1297.ps (179Kb) . ... Space Telescope Science Institute, 3700 San Martin Drive,Baltimore, MD 21218, USA . ... huizinga@stsci.edu . Last updated, November 11, 1998 . ...
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Ссылки http://www.stsci.edu/science/preprints/prep1297/prep1297.html -- 3.9 Кб -- 23.05.2000
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8. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . See also images taken on November 22nd . Image taken by Andy McCrea who says, . To me the comet appears yellowish and it has gone from star-like to a . ... More images from Andy McCrea here . ... The true explanation is that a very faint comet, known as periodic comet Holmes, produced a massive outburst of material and became a million times brighter than it was just a day earlier. ... More images from Andy McCrea . ...
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Ссылки http://star.arm.ac.uk/press/2007/cometholmes/ -- 9.9 Кб -- 10.10.2012
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9. The bright star clusters Messier 47 and Messier 46 in the constellation of
.
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Ссылки http://www.eso.org/public/images/eso1441b/zoomable/ -- 1.9 Кб -- 12.04.2016
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10. 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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11. Sources in Abell clusters
[ CATS home ] [ Back to CATS list ] [ ftp ] . 1986USydn.T00J....Reynolds
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Ссылки http://www.sao.ru/cats/doc/CL_Reynolds.html -- 8.1 Кб -- 18.03.2015
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12. Supernova 1999cl in M88
Supernova 1999cl in M88 . This page is devoted to information on Supernova 1999cl in M88 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main supernova page. Information on the original web pages for many of these images can be found on the Supernova links web page. ... M1 Supernova Search has a 1999cl page . ... Pedro Re' Animated gif image . ... DAX Observatory . ... vsnet-obs 21040 ] (fwd) Observation of Supernova 1999cl in M88 . ...
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Ссылки http://www.sai.msu.su/mirrors/isn/snimages/sn1999/sn1999cl.html -- 20.1 Кб -- 22.12.2007
[ Сохраненная копия ] Ссылки http://www.rochesterastronomy.org/SNIMAGES/sn1999/sn1999cl.html -- 20.6 Кб -- 19.04.2014
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[ Сохраненная копия ] Ссылки http://www.rochesterastronomy.org/SNIMAGES/sn1999/sn1999cl.html -- 20.6 Кб -- 19.04.2014
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13. 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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14. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B428E8A98-7EBF-463C-BF9C-866153AC6749%7D
An eight-billion-year-old cluster of stars 13,000 light-years from Earth, called NGC 6791, can be seen in the image. ... This particular cluster is called an open cluster, because the stars are loosely bound and have started to spread out from each other. The area pictured is 0.2 percent of Kepler's full field of view, and shows hundreds of stars in the constellation Lyra. The image has been color-coded so that brighter stars appear white, and fainter stars, red. ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B428E8A98-7EBF-463C-BF9C-866153AC6749%7D -- 4.0 Кб -- 10.04.2016
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15. Astrophysics Group AMI Science
... Astrophysics Group . ... AMI Science . ... Observations of galaxy clusters are central to the AMI science programme. The AMI Small Array is used to observe already-known clusters with high-sensitivity and resolution, allowing us to extract detailed information about individual clusters and to build up statistics about the cluster population. ... Observing galaxy clusters at 15 GHz is tricky because of the contamination from foreground radio sources, which is where the Large Array comes in! ...
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Ссылки http://www.mrao.cam.ac.uk/facilities/ami/ami-science/ -- 24.8 Кб -- 10.04.2016
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16. Blue Straggler Stars
... BLUE STRAGGLER STARS are unusually hot and bright stars found in the cores of ancient star clusters known as globulars. ... BACKGROUND (from wikipedia): Blue straggler stars are stars in open or globular clusters that are hotter and bluer than other cluster stars having the same luminosity. ... There is evidence in favor of this view, notably that blue straggler stars appear to be much more common in dense regions of clusters, especially in the cores of globular clusters. ...
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Ссылки http://www.mso.anu.edu.au/~jerjen/researchprojects/bluestraggler/bluestraggler.html -- 9.1 Кб -- 02.10.2012
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17. http://mavr.sao.ru/hq/katya/CosmosPh/en/Abstract_Sharina.txt
Results from 6m telescope observations of globular clusters in dwarf galaxies Sharina M. We consider properties of globular clusters in dwarf galaxies observed with the multi-slit unit of the SCORPIO spectrograph at the SAO 6m telescope. ... Studying GCs in dwarf galaxies at the faintest end of the galaxy luminosity function provides valuable information for a better understanding of galaxy evolution and evolutionary connection between globular clusters and nuclei of galaxies. ...
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Ссылки http://mavr.sao.ru/hq/katya/CosmosPh/en/Abstract_Sharina.txt -- 2.3 Кб -- 16.05.2007
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/katya/CosmosPh/en/Abstract_Sharina.txt -- 2.3 Кб -- 24.02.2010
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/katya/CosmosPh/en/Abstract_Sharina.txt -- 2.3 Кб -- 24.02.2010
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[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/katya/CosmosPh/en/Abstract_Sharina.txt -- 2.3 Кб -- 24.02.2010
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/katya/CosmosPh/en/Abstract_Sharina.txt -- 2.3 Кб -- 24.02.2010
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18. The Formation and Evolution of LMC Rich Star Clusters: NGC 1818
... LMC Project Outline . NGC 1818 Initial Results . ... The Large Magellanic Cloud (LMC) is uniquely suitable for the study of massive star clusters at all stages of evolution. By combining HST observations of these clusters with N-body models we hope to understand the origin and evolution of rich star clusters in our own Galaxy, in the LMC, and beyond. ... We aim to combine our HST observations with N-body models to understand the formation and evolution of globular clusters. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node27.html -- 15.4 Кб -- 12.06.2006
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19. http://www.atmob.org/about/observing/awards/files/open_cluster_instructions_2011-02-01.pdf
ATMoB "Open Cluster Observing Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston through participation in the Open Clusters Observing Awards program. Introduction: This awards program is oriented towards visually observing open clusters above magnitude 9.9. ... It turns out that a very unprejudiced and convenient method to dermine the limiting magnitude is to count the number of visible stars in certain areas on the sky. ...
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Ссылки http://www.atmob.org/about/observing/awards/files/open_cluster_instructions_2011-02-01.pdf -- 22.9 Кб -- 21.02.2011
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20. 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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