... 2013 June 24 . The Porpoise Galaxy from Hubble . Image Credit: NASA , ESA , and The Hubble Heritage Team ( STSci / AURA ) . Explanation: What's happening to this spiral galaxy? ... Alternatively, the galaxy pair, together known as Arp 142 , look to some like a penguin protecting an egg. ... The above recently-released image showing Arp 142 in unprecedented detail was taken by the Hubble Space Telescope last year. ... New Mirror: APOD now availble from Thailand in Thai and English . ...

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• APOD: 2004 June 12 - NGC 4676: When Mice Collide
• APOD: 2013 August 25 - The Colliding Spiral Galaxies of Arp 271
• APOD: 2008 July 21 - The Colliding Spiral Galaxies of Arp 271

... NGC 4449: Close up of a Small Galaxy . ... But small irregular galaxies form stars too, like NGC 4449 , about 12 million light-years distant. ... NGC 4449 is a member of a group of galaxies found in the constellation Canes Venatici. Interactions with the nearby galaxies are thought to have influenced star formation in NGC 4449. ... Publications with keywords: NGC 4449 - star formation - irregular galaxy . Publications with words: NGC 4449 - star formation - irregular galaxy . ...

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• The Colliding Spiral Galaxies of Arp 271
• NGC 4449: Close Up of a Small Galaxy
• Spiral Galaxy NGC 2841 Close Up

... Exoplanets . ... Artists impression of the blue exoplanet. ... This exoplanet is located in the constellation of Vulpecula, the fox, a faint pattern inside the Summer Triangle.ТљТљ This planet is a not too distant 63 light years away so has been studied by space-based telescopes.Тљ Data collected from Hubbleт??s Imaging Spectrograph (STIS) when this planet moved behind its star showed that in the shadow of the star the light reflected from HD 189733b reduced into the blue part of the spectrum. ...

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• Baby stars of NGC 2841 | Astronotes
• Other Galaxies | Astronotes - Part 2
• Hubble Space Telescope sees into Omega Centauri's future | Astronotes

The HST STIS 50CCD (clear aperture) image of GRB 000418 taken on June 4, 2000, or 47 days after outburst. ... On this page the HST GRB Collaboration presents the Hubble Space Telescope images of GRB 000418. ... GCN #642). ... The transient position on the Keck images was then transformed to the STIS image. ... The next nearest galaxies to the transient are approx 2 arcsec southeast of the host and are detected in both the STIS and Keck images at total R magnitude of 26.2 +- 0.3 mag. ...

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• A black hole in the nearby galaxy M32
• Roelof's Presentations
• Astronomy Magazine, July 1998

... STScI-PRC98-21 A BRIGHT RING OF STAR BIRTH AROUND A GALAXY'S CORE An image from NASA's Hubble Space Telescope reveals clusters of infant stars that formed in a ring around the core of the barred-spiral galaxy NGC 4314. ... This close-up view by Hubble also shows other interesting details in the galaxy's core: dust lanes, a smaller bar of stars, dust and gas embedded in the stellar ring, and an extra pair of spiral arms packed with young stars. ... However, they are older than those in the ring. ...

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• A Bright Ring Of Star Birth Around A Galaxy's Core (PR98-21)
• Hubble Provides Multiple Views of How to Feed a Black Hole (PRC98-14)
• APOD: June 9, 1999 - NGC 4414: A Telling Spiral

... Confirmation that a mysterious cloud of hydrogen in the Virgo Cluster is a dark galaxy has been published by a team of astronomers . New evidence from NASA's Hubble Space Telescope and the Westerbork Synthesis Radio Telescope in the Netherlands has been used to rule out all but one of the ideas put forward to explain the existence of VIRGOHI 21, an intergalactic gas cloud 50 million light-years from the Earth. ... Only Dark Matter can account for the existence of such a system. ...

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• VIRGOHI 21

... Tonight's Sky . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Hubble spots galaxies in close encounter . ... Only registered members of Astronomy.com are allowed to comment on this article. ...

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• Hearts of galaxies close in for cosmic train wreck | Astronomy.com
• Antennae Galaxies move closer | Astronomy.com
• Hubble observes galaxies' evolution in slow motion | Astronomy.com

... 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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• Phil Plait's Bad Astronomy: Q and BA

Our publications in 1996 year . Lindner, U.; Einasto, M.; Einasto, J.; Freudling, W.; Fricke, K.; Lipovetsky, V.; Pustilnik, S.; Izotov, Y.; Richter, G. Astronomy and Astrophysics, v.314, p.1-12 (10/1996) . Thuan, Trinh X.; Izotov, Yuri I.; Lipovetsky, Valentin A . ... Edited by Daniel Kunth, B. Guiderdoni, M. Heydari-Malayeri, and Trinh Xu Thuan, 1996., p.607 . ... Edited by Daniel Kunth, B. Guiderdoni, M. Heydari-Malayeri, and Trinh Xu Thuan, 1996., p.587 . ... Thuan, Trinh Xuan; Izotov, Yu. ...

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• "Structure" publications for 1997 year
• "Structure" publications in 2002 year
• "Structure" publications in 2006 year

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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• Hubble Ultra Deep Field
• Astronomy Plus CCD Images of Galaxies
• The Galaxy Gallery: Messier Objects

ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... ATCA | ... CSIRO Radio Astronomy Image Archive . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Australia Telescope National Facility Colloquium . ... Faint and distant galaxies observed in deep CCD images are primarily seen in . ...

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• Localised HI 21-cm absorption towards a double lobed z=0.24 radio galaxy
• PhD Thesis (summary)
• A new twist to polar rings

... Astronomy news . ... NASA's Spitzer Images Out-of-This-World Galaxy . ... It is spiral-shaped like our Milky Way, with long, spindly arms of stars. The "eye" at the center of the galaxy is actually a monstrous black hole surrounded by a ring of stars. In this color-coded infrared view from Spitzer, the area around the invisible black hole is blue and the ring of stars, white. ... The ring around the black hole is bursting with new star formation. ...

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... It s hard to picture just how big the Universe is. ... And the Sun is just one of billions of stars that make up our galaxy, which is called the Milky Way. When you think about how the Milky Way is just one galaxy in a group of about 40 nearby galaxies, the Universe is starting to seem like a big place! ... The picture shows such a big part of the Universe that each galaxy only looks like a little white scratch on the photo! ... Astronomers call this invisible stuff dark matter . ...

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• http://www.eso.org/public/news/eso1131/kids/
• Publications, Paul Bristow
• Marina Rejkuba's Web Site

... Contacts . 2012: . ... We refined the fundamental parameters of the components, the orbital periods, and the conditions of photospheric heating of the secondary component by the ultraviolet radiation of the hot component. ... The observations of the star clusters associated with ultra-luminous x-ray sources (ULXs) in four galaxies on the 6-meter and VLT telescopes have shown that all the ULXs are located within 200pc of very young star clusters (younger than 5 million years). ... Archive . ...

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• Galaxy sector, archive 1994
• A unique isolated dwarf spheroidal galaxy KKR25
• New LBV Stars in the Andromeda Galaxy

An image of the grand design of spiral galaxy M100 obtained with NASA's Hubble Space Telescope resolves individual stars within the majestic spiral arms. ... Hubble has the ability to resolve individual stars in other galaxies and measure accurately the light from very faint stars. This makes space telescope invaluable for identifying a rare class of pulsating stars, called Cepheid Variable stars embedded within M100's spiral arms. ... 617) 495-7062 . Fax: (617) 495-7356 . ...

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• The AstroStat Slog spectroscopic
• The AstroStat Slog Blog Archive [ArXiv] Spectroscopic Survey, June 29, 2007
• The AstroStat Slog 2007 July

Mercury Spring 2011 Table of Contents . This composite image of Arp 147, a pair of interacting galaxies located about 430 million light years from Earth, shows X-ray data from NASA's Chandra X-ray Observatory (pink) and optical data from the Hubble Space Telescope (red, green, blue). ... Chandra X-ray Center . ... Other objects unrelated to Arp 147 are also visible: a foreground star in the lower left of the image and a background quasar as the pink source above and to the left of the red galaxy. ...

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• ASP: Cover Story: When Galaxies Collide
• ASP: Editorial: Climbing a Little Closer
• ASP: Beacons in the Gloom

... Cross-shaped galaxy ZGC 2315+03 (Fig.1) has been described by Zwicky (1971) as ``post-eruptive or the result of the crossing of a compact galaxy through an edge-on spiral'' . This object was included in the Polar-Ring Catalog (C-71) by Whitmore et al. (1990) as a possible candidate for Polar-Ring Galaxies (PRG). ... One of them is galaxy 'disk' and the other is 'polar-ring'. ... The facts against the polar-ring nature of ZGC 2315+03 can be summarized as follows: . ...

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• List of publications
• Vladimir P. Reshetnikov's Home Page
• The Stellar Content and Distance to the Nearby Blue Compact Dwarf Galaxy

... Astrophysics Group . ... Galaxies and Quasars . ... All galaxies emit radio waves as well as light. ... Often, they shoot out two jets, magnetic fields and very fast electrons (see below). ... This explains why we often see one very bright jet ? ... Quasars, the most powerful sources, often show a prominent jet, strong radio galaxies like the one to the right more usually don?t. The most powerful of these radio sources can be detected at immense distances in the Universe ? ...

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• Galaxy Evolution: Regulation of the ISM and Star Formation
• A gallery of interacting galaxies
• A gallery of interacting galaxies Bojan Nikolic web pages (r. 329)

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Hubble †йpingle 7 galaxies aux fronti†иres de l'Univers . ... L'†йtude des premi†иres galaxies de l'Univers est aussi l'un des objectifs du t†йlescope g†йant europ†йen E-ELT . ... Etat du ciel . ...

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• Fusion de galaxies naines †а proximit†й de la Voie lact†йe | Ciel et Espace
• Les galaxies barr†йes sont moribondes | Ciel et Espace
• Coeurs de galaxies en approche | Ciel et Espace

... 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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