... 2005 June 21 . The Cygnus Wall of Star Formation . ... Explanation: The North America Nebula in the sky can do what North Americans on Earth cannot -- form stars. Specifically, in analogy to the Earth-confined continent , the bright part that appears as Central America and Mexico is actually a hot bed of gas, dust, and newly formed stars known as the Cygnus Wall . ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...

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• APOD: 2014 June 24 - The Iris Nebula in a Field of Dust
• APOD: 2009 June 30 - The North America and Pelican Nebulae
• APOD: 2007 June 6 - Dust Sculptures in the Rosette Nebula

... Dust and Light in the Rosette Nebula . ... Noted for the common beauty of its overall shape , parts of the Rosette Nebula , also known as NGC 2244, show beauty even when viewed up close. Visible above are globules of dark dust and gas that are slowly being eroded away by the energetic light and winds by nearby massive stars. ... Publications with keywords: Rosette Nebula - NGC 2244 - emission nebula . Publications with words: Rosette Nebula - NGC 2244 - emission nebula . ...

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• The North America Nebula
• The Cygnus Wall of Star Formation
• Colorful Star Clouds in Cygnus

... SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Accidental Astrophysics: The Devil's In the Magnitudes, Part II . ... The star second to the Sun in brilliance is Sirius. ... Recall the magnitude system, passed down to us through a hundred generations of sky watchers, as a means of quantifying stellar brightness ("Accidental Astrophysics," May/June, p. 9). ... Yes, it is a magnitude difference, but that difference is due to the distance between us and the star. ...

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• ASP: Bright-Lights, Big-City, Overcast Survival Guide
• ASP: Contents, May/June 2004
• ASP: Lighting the Nebulae

... Space Flight . ... Earth Satellites . ... December . ... January . ... Posted on January 19, 2012 | No Comments Fewer than 600 people have ever seen our world from space and only a couple of dozen have travelled far enough away to seen the Earth as a planet against [ ] . Continue Reading.. ... 4 Comments Venus has always been regarded as Earth?s Sister Planet. ... 3 Comments What exciting space events has 2012 in store for us? ... Posted on December 15, 2011 | ... Planet Earth is big! ...

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• HST | Astronotes - Part 4
• Our Galaxy | Astronotes - Part 5
• ESA | Astronotes - Part 2

... 2000 June 13 . The Carina Nebula in Infrared . ... Explanation: About three million years ago, the stars in the Keyhole Nebula began to form. The above picture of the Keyhole Nebula , also known as the Carina Nebula or NGC 3372, shows in infrared light many facets of this dramatic stellar nursery which lies only 9,000 light-years away. ... The bright star near Trumpler 14 is called Eta Carinae and is one of the most unusual stars known. ... About APOD | ...

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• APOD: June 28, 1998 - Comet Hale Bopp Over Val Parola Pass
• APOD: June 21, 1999 - The Galactic Center in Infrared
• APOD: 2000 April 24 - Reflection Nebula M78

... 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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• First Galfa H I Map
• AAS 1996 January Meeting Photo Release Images
• NAIC Publications List

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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• Astronomy HyperText Book: Interstellar Medium
• galaxies, Hubble sequence
• The Galaxy Gallery Page 6: Comparative Morphology

... The ESO Conference "Towards Other Earths: DARWIN/TPF and the Search for Extrasolar Terrestrial Planets" (Germany, Hidelberg, 2003), V.P.Grinin, L.V.Tambovtseva,"Dusty disk winds in the young binary systems with the low-mass secondary components" . ... Barsunova, V.P. Grinin, S.G. Sergeev, "Unusual eclipsing system KH 15D: new photometric data", oral . ... Barsunova, V.P. Grinin, S.G. Sergeev, L.V. Tambovtseva, "Photometric activity of the peculiar young stars", oral . ... V.P. Grinin, N.Ya. ...

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• Phase light curves of young binary systems

... a spiral galaxy some million light years away, made by combining images . ... 1st February using the Armagh Robotic Telescope at the Armagh Observatory. ... Image credit: Simon Jeffery. Astronomers Simon Jeffery and Jack Wright have obtained their first images of deep-space objects using a new тАЬroboticтАЭ telescope at Armagh Observatory. ... Simon Jeffery, project scientist for the new telescope, said: "After two years of hard work, it is very satisfying to see the first images looking so good. ...

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• Anatomy of a decline
• Refereed Journal Publications 1999
• Earthshine

... The Galactic low-mass X-ray binary GS 2023+338 was discovered during the burst on May 22, 1989 with the Japanise satellite Ginga (aka Galaxy). The flux reached 17 crabs (this unit of flux measurement is an bright X-ray source, Crab Nebula) at 10-35 keV. ... No other radio telescope worldwide carried out multi-frequency measurements. ... Upon 14 days the radio flux fell below the detection level at the RATAN-600 in relation to the decrease of the X-ray flux. ...

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• Galaxy sector, archive 2004

The night sky brightness, together with number of clear nights, seeing, transparency, photometric stability and humidity, are some of the most important parameters that qualify a site for front-line ground--based astronomy. ... Night sky at ESO-Paranal (Chile). ... Night sky brightness data . ... UBVRI night sky brightness at ESO-Paranal during sunspot maximum (A 2003, PDF) . ... The Dancing Sky: six years of night sky observations at Cerro Paranal (Starlight 2007 conference proceedings, PDF) . ...

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• The Very Large Telescope Project
• Wide-field view of part of Orion in visible light | ESO
• Los Cielos de Am , The darkest sky and the two galactic hemispheres

We present new images of the reflection nebula surrounding the R Coronae Borealis Star, UW Centauri. ... Instead, the morphology of the nebula appears to change as different parts are illuminated by light from the central star that is modulated by shifting thick dust clouds near its surface. ... In this way, the central star acts like a lighthouse shining through holes in the dust clouds and lighting up different portions of the nebula. ... ADS Citation Query . citations = 21 . ...

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• The Hubble Deep Field - version 2 scattered light subtraction
• GRB 990123Page
• Roelof's Publications

... The interstar media . The interstar media includes the rarefied substance (gas and dust) electromagnetic radiation, the space beams, neutrino and other kinds of materia which fill the space (see the circulation of gas and dust in the Universe ). ... The nebula of the Alter . ... The gas-dust nebulas. ... The gas nebulas galaxical are shining due to the transformation of the shot waved (ultraviolet) radiation of the very hot stars located in the nebula or near it into the visible light. ...

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• tumor1photoe
• Niutone

GCVS Research Group: . Recent publications . Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 81st Name-List of Variable Stars. ... Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 80th Name-List of Variable Stars. ... Samus N.N., Kazarovets E.V., Kireeva N.N., Pastukhova E.N., Durlevich O.V. General Catalogue of Variable Stars: Current status and new Name-lists Odessa Astronomical Publications, 2010, V. 23, p. 102-105. ...

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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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• Emma Kirby - Science
• The High-Z SN Search Description
• RSAA Honours Courses (2006)

... Home Lectures Lecture Series 2011-2012 Lecture Series 2011-2012 ? тАЬA Ray of Light in a Sea of Dark (Matter)тАЭ ? Charles Keeton . ... Charles Keeton , associate professor of physics and astronomy at Rutgers University and faculty director of the Aresty Research Center for Undergraduates , will speak to the AAA Friday, March 2, on тАЬA Ray of Light in a Sea of Dark (Matter).тАЭ The free public lecture begins at 6:15 p.m. in the Kaufmann Theater of the€а American Museum of Natural History . ...

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• This MonthтАЩs Sky тАУ February 2016 ? Amateur Astronomers Association of New
• Deep Sky Images by Joe DiNapoli ? Amateur Astronomers Association of New York
• AAA Spring Astronomy Class: The Physics of Astronomy тАУ February ? March 2016

... Bad Astronomy . ... Bad Astronomy: The North Star, Polaris, is a very bright star. Good Astronomy: Polaris is a middling-bright star, easily missed. ... He said it was close to Polaris, the North Star, but he also said it was in the East. ... It's natural, I suppose, to think that such an important star should be bright, but really, that's a conceit, like thinking that the Earth is at the center of the Universe. If more people knew just why Polaris is the North Star, this Bad Idea would stop. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Bad TV
• Phil Plait's Bad Astronomy: Bad News

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... When light goes astray, part 2 . ... Astronomy magazine subscribers can read the full column for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email...

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• When light strays, part 1 | Astronomy.com
• The "flame" burns bright in new WISE image | Astronomy.com
• June 2015 | Astronomy.com

Measurement of Sky Brightness at the Iranian National Observatory Davoud Afshari1 and Sadollah Nasiri1,2 1Physics Department, Zanjan University, Zanjan 45195-313, Iran; Institute for Advanced studies in Basic Science (IASBS), Zanjan 45195-1159, Iran; Measurement of light pollution 2 Introduction Among 34 candidate sites at the central part of the country, 5 sites namely Garkesh (in Kashan ), Kolahbarfi(in Kashan ), Deynava (in ... One of these is light pollution. ...

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• General information

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Parkes | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... X-Ray Microlensing of Bright Quasars . ...

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• Publications
• Press Release 9 June 1998 Press Release
• Programme