... Scattered within this cavernous nebula, cataloged as NGC 604, are over 200 newly formed hot, massive, stars. At 1,500 light-years across, this expansive cloud of interstellar gas and dust is effectively a giant stellar nursery located some three million light-years distant in the spiral galaxy, M33. Hyakutake: Comet Atmosphere . ... The atmosphere of a comet comes and goes. ... Yesterday the Mars Global Surveyor project released a new close-up image of a portion of the Cydonia region on Mars. ...

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... 2015 April 22 . Colorful Star Clouds in Cygnus . ... Featured here is a star forming region rich in glowing gas and dark dust toward the constellation of the Swan (Cygnus), near the bright star Sadr. ... Toward the right of the image is Barnard 344, a dark and twisted dust cloud rich in cool molecular gas. ... While the glowing red gas is indicative of small emission nebulas , the blue tinted areas are reflection nebulas -- starlight reflecting from usually dark dust grains. ... About APOD | ...

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• APOD: 2009 August 3 - T Tauri: A Star is Formed
• APOD: 2004 August 5 - Emission Nebula IC 1396
• APOD: 2012 June 27 - Simeis 188 in Stars, Dust and Gas

... 2000 April 24 . Reflection Nebula M78 . ... Explanation: An eerie blue glow and ominous columns of dark dust highlight M78, a bright reflection nebula in the constellation of Orion . The dust not only absorbs light, but also reflects the light of several bright blue stars that formed recently in the nebula. ... M78 belongs to the larger Orion Molecular Cloud Complex that contains the Great Nebula in Orion and the Horsehead Nebula . ... About APOD | ...

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• NASA's Observatorium--Image Gallery: Stars
• APOD: June 25, 1996 - A Star Forming Region in the LMC
• APOD: August 6, 1998 - Infrared Horsehead

... STScI-PRC95-45a CRUCIBLE OF CREATION: PANORAMIC HUBBLE MOSAIC ZOOMS IN ON MAELSTROM OF STAR BIRTH This spectacular color panorama of the center the Orion nebula is one of the largest pictures ever assembled from individual images taken with NASA's Hubble Space Telescope. ... Though this 2.5 light-years wide view is still a small portion of the entire nebula, it includes almost all of the light from the bright glowing clouds of gas and a star cluster associated with the nebula. ...

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• http://www.naic.edu/~astro/frontiers/NewScieComa_Apr07.pdf

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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• Low Surface Brightness Galaxy Gallery

... no comet has been observed with an orbit that indicates that it came from interstellar space, . ... From this he proposed that comets reside in a vast cloud at the outer reaches of the solar system. ... Unfortunately, since the individual comets are so small and at such large distances, we have no direct evidence about the Oort Cloud. ... T he Kuiper Belt is a disk-shaped region past the orbit of Neptune roughly 30 to 100 AU from the Sun containing many small icy bodies. ... Small Bodies .. ...

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• Comet Introduction
• Jupiter Moon Callisto

EMBARGOED UNTIL: 9:20 AM CST, January 6, 1999 CONTACT: John Biretta Space Telecsope Science Institute, Baltimore, MD (Phone: (410) 338-4917; Internet: biretta@stsci.edu) HUBBLE DETECTS FASTER-THAN-LIGHT MOTION IN GALAXY M87 Astronomers reported today discovering clouds which appear to move many times faster than the speed of light, shooting out from the region of a black hole at the center of the M87 galaxy. ... It's an illusion created by the finite speed of light and rapid motion," Biretta said. ...

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• Infrared Imaging of the Large Magellanic Cloud Star-forming Region Henize 206
• NICMOS Units Conversion Form
• Extragalactic Cepheid Distances by Calibrated Period - Luminosity-Color

... All previous such superstars have been found along with many companion stars in the centres of crowded star clusters. The star is known as VFTS 682 from the VLT-FLAMES Tarantula Survey catalogue of the European Southern Observatory's Very Large Telescope (VLT) located at Paranal in Chile by means of the attached FLAMES instrument. ... Although VFTS 682 seems to be alone now it is not very far away from a very rich star cluster known as RMC 136 that contains several similar superstars. ...

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• M.D. Smith, Research Astronomer
• Sakurai?s Object (V4334 Sagittarii)
• Objects in the Sky

... Its perihelion would occur on April 1, 1997, at which point the comet would be only 0.92 astronomical units from the Sun, just within the orbit of Earth. ... Taken in April 1993, the photo showed the comet over 13 astronomical units from the Sun, well beyond the orbit of Saturn. ... Hale, as in Comet Hale-Bopp, has written a book, Everybody's Comet (available through the ASP Catalog) and coordinated an Internet project, "Hale-Bopp: Live in the American Classroom." ... Anatomy of a comet. ...

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• ASP: An Ancient Universe - The Age of Light from the Most Distant Galaxies
• ASP: Beacons in the Gloom
• ASP: An Ancient Universe - Changes in the Solar System

... Stars are born in big clouds of gas and dust in the Universe. ... This amazing new picture shows a small part of a cloud in our own galaxy (called the Milky Way) in which stars are being formed. In the picture you can see bright arc shapes in the cloud, but what created them is a mystery. ... When all of their fuel is gone, these massive stars explode in what is called a supernova explosion the biggest firework display in the Universe! ...

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• The hidden fires of the Flame Nebula* | ESO
• Close-up pan across the star forming cloud RCW 34 | ESO
• ESOтАЩs Very Large Telescope Peers into a Distant Nebula* | ESO

... 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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GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

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• The Music of the Spheres
• THE AUSTRALIAN NATIONAL UNIVERSITY
• The High-Z SN Search Description

... Our Galaxy . ... Stars . ... Image credit: ESO, Acknowledgement: VST/Omegacam Local Group Survey) . First observed in 1909, the WLM galaxy is part of the Local Group, about 10 million light years (3.1 Mpc) across, this is the set of more than 35 galaxies which includes our own Milky Way. ... I compared this little galaxy to a living fossil because looking at it gives us an insight into a past era in the UniverseтАЩs history. ... Distances and metallicities for 17 Local Group galaxies? . ...

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• The Lagoon Nebula (M8) reveals its secrets | Astronotes
• A Spectacular View of the Lagoon Nebula | Astronotes
• Orion, mighty hunter of the winter sky | Astronotes

Back to Martin Elvis' Home Page . Color 2-D figure of structure (postscript) . 3-D views of the quasar structure: . 3-D Top view 3-D End-on view 3-D Side view . ... Quasar Atmospheres: Toward a `Low' Theory of Quasars , (Elvis M. 2003 astro-ph/0311436 , to be published in AGN and the SDSS, eds. G. Richards and P. Hall) . Talk from the Leicester `Winds Tori' Workshop, Sept 2004 (pdf, 21 pages) . Disk Winds summary from the Leicester `Winds Tori' Workshop, Sept 2004 (pdf, 7 pages) . ...

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• dictionary
• The AstroStat Slog Blog Archive A confession from a former ?keV? junkie (2.
• The AstroStat Slog VO

The divisity of galaxies. The galaxies are the giant (to hundred of billions of stars) star systems, where the stars are connected by gravitation laws with each other. ... Ther galaxy NGC 3031 . ... Each spiral galaxy has a core a flat disk where the spiral brancher locate. The stars and interstellar substance of spiral galaxies rotate around the core. ... In normal galaxies, such as our Galaxy, the great brightness of the core is accounted for the high concentration of stars. ...

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• galophotoe
• luchisphotoe

... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... The Horsehead Nebula in Orion . ... Astronomy 101 . ... Astronomy Day . ... NASAт??s Hubble sees a horsehead of a different color . ... Looking like an apparition rising from whitecaps of interstellar foam, the iconic Horsehead Nebula has graced astronomy books ever since its discovery over a century ago. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

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• University of Hawaii astronomer finds giant galaxy hosting the most distant
• Ancient super-bright quasar with massive black hole found | Astronomy.com
• Life and death in a star-forming cloud | Astronomy.com

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

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• Space Research Institute (IKI) Seminar
• The Polar Aurora
• Sunlight and the Earth

... 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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Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

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• g3-efox8632-m82-e-600-c-35-x1-color-001-ut080815_ep1 ? Amateur Astronomers
• g3-efox8632-m81-e-600-c-35-x1-color-001-ut074841_ep1 ? Amateur Astronomers
• g3-efox8632-m82-e-600-c-35-x1-color-001-ut080815_ep1a ? Amateur Astronomers

. (artistic credits: J. English and B. Koribalski) . bkoribal @ atnf.csiro.au

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• ATNF Media Release - November 24, 1998
• The Orion Nebula
• Research - Compact high-velocity clouds around the Milky Way