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1. APOD: 2004 October 20 - NGC 281: Cluster, Clouds, and Globules
... 2004 October 20 . NGC 281: Cluster, Clouds, and Globules . ... Explanation: NGC 281 is a busy workshop of star formation. Prominent features include a small open cluster of stars, a diffuse red-glowing emission nebula , large lanes of obscuring gas and dust , and dense knots of dust and gas in which stars may still be forming. The open cluster of stars IC 1590 visible around the center has formed only in the last few million years. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap041020.html -- 4.9 Кб -- 02.10.2012
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2. NGC 281: Cluster, Clouds, and Globules
... Credit: David Malin ( AAO ), IAC , RGO , Isaac Newton Telescope Explanation: NGC 281 is a busy workshop of star formation. Prominent features include a small open cluster of stars, a diffuse red-glowing emission nebula , large lanes of obscuring gas and dust , and dense knots of dust and gas in which stars may still be forming. ... Publications with keywords: bok globule - emission nebula - open cluster . Publications with words: bok globule - emission nebula - open cluster . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1160765 -- 14.4 Кб -- 10.08.2004
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3. Astronomy HyperText Book: Interstellar Medium
Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...
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Ссылки http://zebu.uoregon.edu/textbook/ism.html -- 4.2 Кб -- 23.01.1998
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4. http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/0030y.txt
... STScI-PRC00-30 HUBBLE PEEKS INTO A STELLAR NURSERY IN A NEARBY GALAXY NASA's Hubble Space Telescope has peered deep into a neighboring galaxy to reveal details of the formation of new stars. Hubble's target was a newborn star cluster within the Small Magellanic Cloud, a small galaxy that is a satellite of our own Milky Way. ... Astronomers are especially keen to study star formation in the Small Magellanic Cloud, because its chemical composition is different from that of the Milky Way. ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/0030y.txt -- 6.1 Кб -- 30.01.2001
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5. ASP: Big Clusters, Tiny Galaxies
home publications > mercury . ... Big Clusters, Tiny Galaxies . ... Astronomers struggle to understand why giant star clusters form in the tiniest of galaxies . ... These clusters are probably young versions of globular clusters, but they are commonly called super star clusters. Seven dwarf galaxies within 16 million light-years have formed super star clusters, with one of these galaxies, NGC 1569, possessing two young clusters. ... Super star clusters have a lot to tell us about star formation. ...
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Ссылки http://www.astrosociety.org/pubs/mercury/32_03/clusters.html -- 17.5 Кб -- 20.04.2012
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6. GSAOI Orion Nebula Cluster Science Page
... GSAOI Home . ... Science . ... Deep imaging at J , H , and K is required to identify all stellar objects, brown dwarfs, and planetary mass objects in the central region of the Orion Nebula Cluster down to masses comparable to that of Jupiter. This is required to establish the initial mass function, i.e., the number of stars of each mass that have formed, in this region of intense massive star formation. ... The fields of the GSAOI detectors are shown as four green squares in each frame. ...
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Ссылки http://www.mso.anu.edu.au/gsaoi/science/orion.shtml -- 6.7 Кб -- 01.10.2012
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7. Diffuse Galactic Light in the Large Magellanic Cloud
... Deep optical CCD image of the LMC. Diffuse Galactic Light is plainly visible in this optical image of the Large Magellanic Cloud as a haze over the entire galaxy. The phenomenon arises from starlight scattering off numerous dust clouds in and above the plane of the LMC's disk to form a faint, galaxy-wide reflection nebula. ... The CCD image above was presumably taken with a special wide-field camera at optical wavelengths. ...
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Ссылки http://www.naic.edu/~gibson/30dor/lmc_dgl.html -- 2.4 Кб -- 09.04.2008
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8. - Part 42
Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... October . ... Posted on October 1, 2010 | 4 Comments What is light? ... Continue Reading.. ... Posted on September 28, 2010 | 1 Comment Who am I? I?m Colin Johnston, Armagh Planetarium?s Science Education Director. ... No Comments Armagh Planetarium is the oldest functioning planetarium in the UK. ... Copyright Armagh Planetarium 2014 All Rights Reserved. ...
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Ссылки http://www.armaghplanet.com/blog/author/admin/page/42 -- 54.6 Кб -- 09.04.2016
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9. Infrared/visible light comparison of views of the Lagoon Nebula (Messier 8) |
... ESO, the European Southern Observatory . ... ESO Acronyms . ... Survey Telescopes . ... Image Comparisons . ... View shopping cart . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... This image compares infrared and visible views of the Lagoon Nebula (Messier 8). The visible light image (lower) was taken with the Wide Field Imager on the MPG/ESO 2.2-metre telescope at La Silla in Chile. ... Lagoon Nebula , Messier 8 . ... Visible and Infrared Survey Telescope for Astronomy . ...
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Ссылки http://www.eso.org/public/images/eso1101b/ -- 94.5 Кб -- 10.04.2016
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10. HST this week: 295
... Timothy Heckman, The Johns Hopkins University . ... Abstract . ... NICMOS Imaging of GOODS: Probing the Evolution of the Earliest Massive Galaxies, Galaxies Beyond Reionization, and the High Redshift Obscured Universe . ... Kristin Chiboucas, University of Hawaii . ... Michael E. Brown, California Institute of Technology . ... Probing Solar System History with Orbits, Masses, and Colors of Transneptunian Binaries . ... HST Observations of Astrophysically Important Visual Binaries . ... Past weeks: ....
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Ссылки http://www.stsci.edu/~inr/thisweek1/thisweek295.html -- 12.6 Кб -- 22.10.2007
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11. Objects in the Sky
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Aurora . ... Corona . Fireballs . ... Zodiacal Light . ... The first thing to do is get acquainted with what the night sky looks like. ... The National Schools Observatory web site has very good horizon views of the sky for the current night. ... If the object is moving slowly across the sky then it may be one of the larger satellites. ... Cloudbait Observatory - October 2002 . ... October 2003 Aurora at Armagh . ...
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Ссылки http://star.arm.ac.uk/objects.html -- 14.8 Кб -- 26.01.2012
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12. Amateur Telescope Makers of Boston
... A faint, dusty rose of the northern sky, emission nebula IC 410 lies about 12,000 light-years away in the constellation Auriga. The cloud of glowing hydrogen gas is over 100 light-years across, sculpted by stellar winds and radiation from embedded open star cluster NGC 1893. ... These "tadpoles" (seen just below center) are regions of denser, cooler gas, and more slowly resist the erosive radiation from the hot stars. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/gallery/showimage.php?id=792 -- 5.0 Кб -- 09.04.2016
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13. ATNF Colloquium
ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Astrophysics graduate student programs . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... The Australia Telescope National Facility Colloquium . ... The mass spectrum scales as N(M) ~ M^-1.5, similar to the mass spectra of young massive star clusters suggesting that individual molecular clouds are transformed in the starburst into individual star clusters. ...
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Ссылки http://www.atnf.csiro.au/news/news.php?action=show_item&item_id=579 -- 28.1 Кб -- 01.03.2014
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14. The Pacman Nebula gets some teeth | Astronomy.com
... Tonight's Sky . ... Star Atlas . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Get to Know the Night Sky . ... The Pacman Nebula gets some teeth . The т??teethт?? are pillars of gas and dust where new stars may be forming. ... To visible-light telescopes, the star-forming cloud (NGC 281) appears to be chomping through the cosmos, earning it the nickname the Pacman Nebula, like the famous Pac-Man video game that debuted in 1980. ...
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Ссылки http://www.astronomy.com/news/2011/10/the-pacman-nebula-gets-some-teeth -- 69.1 Кб -- 10.04.2016
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15. http://jet.sao.ru/jet/~goray/othrlink.htm
DSS input form . The SuperCOSMOS Sky Survey . ... Pi of the Sky . The Sloan Digital Sky Survey . ... Extragalactic DataBase . ... SIMBAD Astronomical Database . ... Query form . ... The Two Micron All Sky Survey. ... The NRAO VLA Sky Survey . ... NIST Atomic Spectra Database (Lines Form) . ... The UVES Paranal Observatory Project . ... Rochester Astronomy . ... European Southern Observatory . European Astronomical Society . ... Astronomical Society of the Pacific . ... Sat24 BTA on line . ...
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Ссылки http://jet.sao.ru/jet/~goray/othrlink.htm -- 11.7 Кб -- 16.12.2015
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16. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... The next step up are true clusters, called open clusters . Open clusters (sometimes misleadingly called "galactic clusters") are groups of stars ranging in size from a few dozen stars up to tens of thousands. ... The youngest is about 1 or 2 million years old, while the oldest is about 6 or 7 billion years, making it just older than our own solar system. ... So by looking at the stars in the cluster we can tell pretty well how old they are. ...
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Ссылки http://www.badastronomy.com/bitesize/openclusters.html -- 20.2 Кб -- 09.04.2016
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17. cat4COS
This Directory contains mean hourly, mean daily and mean monthly values of cosmic ray intensity recorded by World Network NM stations to the end of 2011. ... CD is created in WDC for STP, Moscow and IZMIRAN. ... This directiry contains catalogue Corrected for pressure and verificated data in WDC for STP, Moscow . This directiry contains catalogue Corrected only for pressure but Original data in WDC for STP, Moscow . ... 20 May - 22 July 1972, M., 1975 6. 27 March - 22 July 1972, M., 1975 7. ...
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Ссылки http://www.wdcb.ru/stp/cat4COS.html -- 5.5 Кб -- 16.10.2015
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18. galophotoe
Halo around the Moon. Halo arises when the light beams refracted on the high clouds icy chips ina form of a six side prism. As a result we see a small halo circle with a 22°-radius. The big circle is formed by the beams paased through the side edge and the base of prismochips. Its radius is equal to 46° (nearly). The big circle is observed rarely and is shining weaker but it is easier to observe it near the Sun, if comparing with the small halo invisible in the bright Sun light. ...
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Ссылки http://www.space.vsi.ru/galophotoe.htm -- 2.2 Кб -- 14.10.2000
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19. Galaxy Evolution: Cosmological evolution of star formation
... Galaxy Evolution home . ... Regulating the ISM and star formation . Cosmological evolution of star-forming galaxies . The origin and evolution of radio sources . Radio sources and their environments . ... Observations of the local Universe clearly demonstrate that very active star formation phases (starbursts) are often associated with interacting and merging galaxies and that in these systems much of the short wavelength emission is absorbed by dust and re-emitted in the IR. ...
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Ссылки http://www.mrao.cam.ac.uk/~pa/galaxy_evolution/science_SFCosmo.html -- 6.2 Кб -- 25.01.2002
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20. Vladimir Marsakov Publication List
THE SUBSYSTEMS OF THE MILKY WAY HALO. ... A catalogue of homogeneous fundamental astrophysical parameters for 145 globular clusters is composed on the base of the data of compilative catalogue by Harris (1997) and from another literature. ... In addition, it has large rotation velocity ( V rot =77?33 km/s), appreciable radial and vertical metallicity gradients equal by value, and has the oldest average age (subsystem of the old halo). ... Characteristic parameter of globular cluster subsystems. ...
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Ссылки http://ip.rsu.ru/~marsakov/conf/paper4/conf4.htm -- 15.0 Кб -- 02.02.2007
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