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http://www.astronet.ru/db/xware/apod.html?page=90&d=2013-07.
http://www.astronet.ru/db/xware/apod.html?page=90&d=2013-07.
1. XWare > APOD
... Normal cloud bottoms are flat because moist warm air that rises and cools will condense into water droplets at a very specific temperature, which usually corresponds to a very specific height. ... Planetary Nebula Project . ... The North America Nebula in Infrared . ... Red stars are cool, with surface temperatures of around 3,000 kelvins (K), while blue stars are hotter and can have temperatures over 30,000 K. Our own lovely "yellow" Sun's temperature is a comforting 6,000 K. [ First page ] Prev. ...
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Ссылки http://www.astronet.ru/db/xware/apod.html?page=166&d=2015-08 -- 15.3 Кб -- 13.04.2016
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2. Types of Nebulae
... We sometimes use the word "nebula" to refer to galaxies, various types of star clusters and various kinds of interstellar dust/gas clouds. ... Early in this century, there was a great debate as to the nature of the nebulae like this one which at that time could not be resolved into individual stars. ... A typical galaxy is 100,000 light-years in diameter. ... M 42 shown) Reflection nebulae are clouds of dust which are simply reflecting the light of a nearby star or stars. ... M 1 shown) . ...
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Ссылки http://www.sai.msu.su/twn/types.html -- 7.8 Кб -- 01.10.2012
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3. Other Galaxies | Astronotes
... Our Galaxy . ... Space Flight . ... No Comments Dim and isolated, the dwarf irregular galaxy WolfтАУLundmarkтАУMelotte (WLM) could be described as an astronomical тАЬliving fossilтАЭ as it seems to have developed since it formed billions of years ago [ ] . Continue Reading.. ... Posted on November 24, 2011 | ... 3 Comments The astronomy community is excited by the discovery of an exploding star, a supernova, in a galaxy 21 million light years away in the constellation Ursa Major. ...
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Ссылки http://www.armaghplanet.com/blog/category/universe/other-galaxies -- 54.7 Кб -- 09.04.2016
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4. 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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5. The Music of the Spheres
... This is combined emission from all the gas clouds circling the black hole, between 0.1 and 10 light years out. ... These are the expanding clouds of gas left behind when a massive star comes to the end of its life and explodes, producing a supernova. ... Also known as the Veil nebula, a vast and beautiful whispy nebula left over from an exploding star. ... The Crab Nebula (120kb). ... Carbon Star (120kb) Red giant stars, surrounded by clouds or carbon dust. ... 3500 K star (64kb) , like Aldebaran. ...
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Ссылки http://www.mso.anu.edu.au/pfrancis/Music/library/index.html -- 7.5 Кб -- 02.10.2012
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6. http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/NGC6751.txt
... STScI-PRC00-12 THE GLOWING EYE OF NGC 6751 Astronomers using NASA's Hubble Space Telescope have obtained images of the strikingly unusual planetary nebula, NGC 6751. Glowing in the constellation Aquila like a giant eye, the nebula is a cloud of gas ejected several thousand years ago from the hot star visible in its center. ... The nebula shows several remarkable and poorly understood features. ... Hajian and his team are scheduled to reobserve NGC 6751 with Hubble's WFPC2 in 2001. ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/NGC6751.txt -- 5.2 Кб -- 30.01.2001
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7. Supernova Remnant (SNR) Catalogue or Catalog of Galactic SNRs
2014 May version . ... Green D. A., 2014 , Bulletin of the Astronomical Society of India, 42 , 47-58. ( .pdf , or arXiv.org:1409.0637 ) If you make use of the detailed version of the catalogue, then plaese also cite: . Green D. A., 2014, `A Catalogue of Galactic Supernova Remnants (2014 May version)' , Cavendish Laboratory, Cambridge, United Kingdom (available at "http://www.mrao.cam.ac.uk/surveys/snrs/" ). ... Copyright D. A. Green 2014. 25872nd access to this version of the catalogue. ...
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Ссылки http://www.mrao.cam.ac.uk/surveys/snrs/ -- 8.1 Кб -- 09.04.2016
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8. Chandra Catalog of Galactic Supernova Remnants
True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . ... Kepler SNR . ... Kes 73 . ... Tycho SNR . ... Vela SNR PWN . ... Chandra Supernova Remnant Catalog . ... Galactic SNR | ...
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Ссылки http://hea-www.harvard.edu/ChandraSNR/gallery_gal.html -- 12.3 Кб -- 01.10.2012
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9. The Influence of Supernova Remnants on the Interstellar Medium in the Large
We present the analysis of supernova remnants (SNRs) in the Large Magellanic Cloud (LMC) and their influence on the environment at far-infrared (FIR) and submillimeter wavelengths. ... Most of the dust that is seen is pre-existing interstellar dust in which SNRs leave imprints. ...
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Ссылки http://www.stsci.edu/~kgordon/papers/2015ApJ...799...50L.html -- 4.9 Кб -- 21.01.2016
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10. Detailed view of the Prawn Nebula from ESO's VST | ESO
... ESO, the European Southern Observatory . ... ESO's Governing Bodies . ... Travel and Contacts . Travel to ESO Headquarters . ... Green ESO . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... View shopping cart . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... VST . ... The glowing jumble of gas clouds visible in new image make up a huge stellar nursery nicknamed the Prawn Nebula. ... Milky Way : Nebula : Type : Star Formation . ...
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Ссылки http://www.eso.org/public/images/eso1340a/ -- 96.4 Кб -- 10.04.2016
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11. ATNF SNR Publications: 1996 - 2000
DICKEL, J.R., GREEN, A., YE, T. & MILNE, D.K. "The supernova remnant RCW 103 at radio wavelengths". AJ , 111 , 340-345 (1996). ... GAENSLER, B.M., MANCHESTER, R.N., STAVELEY-SMITH, L., TZIOUMIS, A.K., REYNOLDS, J.E. & KESTEVEN, M.J. "The asymmetric radio remnant of SN 1987A". ... GAENSLER, B.M. "The nature of bilateral supernova remnants". ... GAENSLER, B.M., MANCHESTER, R.N. & GREEN, A.J. "Radio continuum and HI observations of supernova remnant G296.8-00.3". ... ApJ, 543, 840-849 (2000). ...
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Ссылки http://www.atnf.csiro.au/people/pulsar/snr/snr_publns.html -- 10.5 Кб -- 02.10.2012
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12. Amateur Telescope Makers of Boston
... IC443 is thought to have been formed between 30,000 and 35,000 years ago, and most likely is the remains of the pulsar, G189.6+3.3. Located about 5,000 light years away, the pulsar’s X-ray emissions excite the material of the nebula, causing the chemical components to emit light in their characteristic wavelengths. ... TAK FSQ . ... FSQ: 12x30 minute subs plus 14x5 minute subs, totaling 7 hours, 20 minutes . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/gallery/showimage.php?id=638 -- 5.7 Кб -- 09.04.2016
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13. Supernova 1987A in LMC
Supernova 1987A in LMC . One day in 1987, an astronomer by the name of Ian Shelton was making observations of the Tarantula Nebula in Large Magellanic cloud at Las Campanas Observatory, and he noticed something strange on his image. ... SN 1987A got as bright as 2.7, the only other recent SN even to come close was 1885A in M31 which got up to mag 6. ... Mag 4.5 . ... IAUC 4318 2/25/87 Type II? ... IAUC 7354 2/1/00 New structure in the inner ring . ... IAUC 7360 2/7/00 HST observation of new spot . ...
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Ссылки http://www.sai.msu.su/mirrors/isn/snimages/sn1987a.html -- 7.3 Кб -- 22.12.2007
[ Сохраненная копия ] Ссылки http://www.rochesterastronomy.org/SNIMAGES/sn1987a.html -- 7.5 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://www.rochesterastronomy.org/SNIMAGES/sn1987a.html -- 7.5 Кб -- 10.04.2016
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14. Coalsack Dark Nebula или Black Magellanic Cloud - темная туманность Угольный
... Coalsack Dark Nebula или Black Magellanic Cloud - темная туманность Угольный мешок (Caldwell 99) в созвездии южного полушария Крест / Южный Крест (Crux, Southern Cross, Crucis, Cru) .. ... Просмотр полной версии : Coalsack Dark Nebula или Black Magellanic Cloud - темная туманность Угольный мешок (Caldwell 99) в созвездии южного полушария Крест / Южный Крест (Crux, Southern Cross, Crucis, Cru) .. ... Поиск направления на Южный Полюс через звезды созвездия Крест / Южный Крест (Crux, Southern Cross) .:...
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Ссылки http://www.starlab.ru/archive/index.php/t-18892.html -- 7.6 Кб -- 10.04.2016
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15. The Origin of the Solar System
... Here is a brief outline of the current theory of the events in the early history of the solar system: . A cloud of interstellar gas and/or dust (the "solar nebula") is disturbed and collapses under its own gravity. ... The gas cools off enough for the metal, rock and (far enough from the forming star) ice to condense out into tiny particles. (i.e. some of the gas turns back into dust). ... Once the larger of these particles get big enough to have a nontrivial gravity, their growth accelerates. ...
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Ссылки http://www.sai.msu.su/tnp/origin.html -- 6.4 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://www.iki.rssi.ru/nineplanets/origin.html -- 6.2 Кб -- 18.03.1998
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[ Сохраненная копия ] Ссылки http://www.iki.rssi.ru/nineplanets/origin.html -- 6.2 Кб -- 18.03.1998
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16. The Large Magellanic Cloud, open cluster NGC 1664, and reflection nebula NGC
... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... The Large Magellanic Cloud, open cluster NGC 1664, and reflection nebula NGC 1788 . January 2 9, 2014: The Large Magellanic Cloud in Dorado is an excellent target for far-southern naked-eye observers, open cluster NGC 1664 in Auriga offers small-telescope owners nice views, and large-telescope owners can seek out reflection nebula NGC 1788 in Orion. ... Small telescope : Open cluster NGC 1664 . ...
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Ссылки http://www.astronomy.com/observing/observing-podcasts/2014/01/the-large-magellanic-cloud-ngc-1664-and-ngc-1788 -- 64.1 Кб -- 10.04.2016
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17. Double Engine Fuels Star's Remarkable Nebula - Astronomy news
... Astronomy news . ... Double Engine Fuels Star's Remarkable Nebula . ESO has just released a stunning new image of a field of stars towards the constellation of Carina (the Keel). ... Interactions in this double system, surrounded by a dusty disc, may be the engine fuelling the star s remarkable nebula. The new image, showing a very rich field of stars towards the Carina arm of the Milky Way, is centred on the star HD 87643, a member of the exotic class of B[e] stars [1]. ...
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Ссылки http://www.tesis.lebedev.ru/en/astronomy_news.html?did=1936 -- 14.0 Кб -- 11.04.2016
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18. XV-AVHRR
... Satellite data ] . SMIS ] . The program is designed to process the specific AVHRR instrument data for calculation and analysis of temperature fields on the sea surface and upper level of clouds. It performs brightness correction for visible channels with regards to clouds altitude. ... The program features a wide variety of classification algorithms (including two-dimensional histogram analysis) and enables to construct personal procedures for classification. ... Back to SMIS Home Page . ...
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Ссылки http://smis.iki.rssi.ru/inform/engl/soft/e_avhrr.htm -- 3.5 Кб -- 13.03.1997
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19. ASP: Taking a Grand Virtual Voyage in the Milky Way
... We still have a long distance to cover before we leave the Milky Way Galaxy -- tens of thousands of lightyears, as a matter of fact -- so let's stop by some interesting objects on the way. ... But we have reached the edge of the Milky Way Galaxy. ... We don't know, but we do know that there are countless voyages left to take. To continue the virtual voyage beyond our galaxy, go to Kent Cheatham's "A Walk in the Stars" at http://www.ionet.net/~cheatham/astro/astrotour.shtml . ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/47/voyage2.html -- 15.6 Кб -- 02.10.2012
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20. The Tarantula Nebula
... The Tarantula Nebula , also known as 30 Doradus and NGC 2070 , is a large region of ionized gas surrounding a collection of newly-forming stars at the eastern end of the stellar bar in the Large Magellanic Cloud (many similar regions are scattered through the LMC; see Kennicutt et al. ... The false-color image above is a log-scale display of a mosaic of several images taken with a CCD camera on the 0.6m Curtis Schmidt telescope at Cerro Tololo Inter-American Observatory in December 1994. ...
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Ссылки http://www.naic.edu/~gibson/30dor/ -- 4.1 Кб -- 19.08.2004
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