Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Image credit:ESO/J.Emerson/VISTA. ... However others are less pessimistic and it has even been claimed that the mysterious ?Wow! signal? received in 1977 originated from the direction M55.б  Sadly, this still unexplained pulse of radio energy originated from a location rather to the northwest of M55 so I doubt if the source was this cluster (if indeed the signal was genuinely of extraterrestrial origin). ... Mysterious Wow! ...

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• WLM Galaxy: a Cosmic Living Fossil | Astronotes
• How do galaxies form? - New discovery from European Southern Observatory |
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

... Jupiter's moon is the home to many powerful volcanoes so active they are effectively turning the moon inside out. The above time-lapse sequence is a composite of images taken during two space missions that approached the violent moon: Voyager and Galileo. ... On the 7th of October, 1959 (7/X/1959), the Soviet interplanetary station which has come to be called "Luna 3" successfully photographed the far side of the moon giving denizens of planet Earth their first ever view of this hidden hemisphere. ...

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... 2002 December 29 . NGC 1818: A Young Globular Cluster . ... Explanation: Globular clusters once ruled the Milky Way . Back in the old days , back when our Galaxy first formed, perhaps thousands of globular clusters roamed our Galaxy . ... There are few, if any, young globular clusters in our Milky Way Galaxy because conditions are not ripe for more to form. ... Pictured above is a "young" globular cluster residing there: NGC 1818 . ... About APOD | ...

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• APOD Index - Stars: Globular Clusters
• APOD: 2000 December 8 - Abell 1795: A Galaxy Cluster s Cooling Flow
• APOD: 2008 December 29 - NGC 1569: Starburst in a Dwarf Irregular Galaxy

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. December 18, 1999 . Irregular Galaxy Sextans A . ... Their newly formed, bright, blue star clusters found along beautiful, symmetric spiral arms are guaranteed to attract attention. But small irregular galaxies form stars too , like this lovely, gumdrop-shaped galaxy, Sextans A . ... About APOD > . ...

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• APOD: December 13, 1997 - The Coma Cluster of Galaxies
• A Bright Ring Of Star Birth Around A Galaxy's Core (PR98-21)
• APOD: 2001 March 11 - NGC 1818: A Young Globular Cluster

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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• ASP: An Ancient Universe - The Age of Light from the Most Distant Galaxies

... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Astronomy for Kids . ... Astronomy 101 . ... Astronomy Foundation . ... Do globular clusters form in a galaxy's halo or migrate in from outside? If the latter, how? ... The Milky Way Galaxy has a system of roughly 150 globular clusters, which are all older than 9 billion years. ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

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• The Hubble Space Telescope found a galaxy that was completely formed within 480
• Cosmic Origins App | Astronomy.com
• What are carbon stars? How do they form? | Astronomy.com

... Two collections of galaxies, which are called galaxy clusters , collided. The resulting galaxy cluster that formed from the collision is called El Gordo, which means fat one in Spanish! ... A galaxy cluster like this, with El Gordo's huge size and found so far away in the Universe, is a very rare space object. ... To measure El Gordo s distance from Earth, astronomers used a telescope called the Very Large Telescope, which is based in the country Chile in South America. ...

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• ESO - Thesis Topic: Studying the first galaxy clusters with ALMA
• ESO - Studying the Cosmological Evolution of Galaxy Clusters with (Sub-)mm
• ESO - VIMOS Science Verification Programs at Melipal/UT3

The radial distribution of metallicity of star-forming galaxies in a galaxy cluster can inform us about the mass assembly and enrichment history of the galaxy cluster. ... Both galaxy clusters are cool-core clusters at redshift z т?? ... The gas-phase metallicity of star- forming galaxies in MACS1115+01 exhibit anti-correlation with projected distance т??0.15 ТБ 0.08 dex/Mpc, whereas the radial metallicity distribution of RXJ1532+30 is statistically flat (т??0.09 ТБ 0.12 dex/Mpc). ...

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• http://www.mso.anu.edu.au/~bessell/thumbnails/images.txt
• COALA - Computational Astrophysics Laboratory
• Julie Banfield | Astronomer

... Conventionally, globular clusters are thought to be massive conglomerations of metal poor stars formed during the early epochs of galaxy formation. However, recent studies show that some galaxies contain metal rich clusters which may have formed during a merger. We use broadband WFPC2 images to study the cluster systems of galaxies and attempt to trace the chemical, kinematic and merger history of the host galaxies. ...

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• HST this week: 343
• HST this week: 363
• Exlporing the Early Universe

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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• Constrains on Dark Matter
• The Galaxy Gallery Page IX: Clusters of Galaxies
• Astronomy Plus CCD Images of Galaxies

... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

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• Dept. for Physics of Stars&Galaxies
• MAO NASU :: Topic: 1st Announcement IAU Symposium 312 Star Clusters and Black
• The Laboratory of Astrometry

Dense regions reach a maximum size and then fall back into a bound object like a cluster of galaxies. Once the cluster is formed, its physical size remains essentially constant. The space-time diagram below . shows a dense region in blue on the left. ... The galaxies in the blue region are accelerating more just because the region is denser and therefore has higher gravitational forces. ... Tutorial : Part 1 | Part 2 | ...

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• SAO: group Physics and Evolution of Galaxies home page
• A 1400-MHz Survey of 1478 Abell Clusters of Galaxies
• A VLA Survey of Rich Clusters of Galaxies I.

The Arecibo Galaxy Environment Survey (normally known as AGES) is using the Arecibo Telescope to search for galaxies in a number of quite different areas of the local universe. ... NGC 628 group (precursor) - published (Auld et al., ... NGC 1156 (isolated galaxy) - published (Minchin et al, 2010, AJ, 140, 1093) . NGC 7332/9 galaxy pair - published (Minchin et al, 2010, AJ, 140, 1093) . ... NGC 5523 (isolated galaxy) - completed (contact: Robert Minchin) . ... AGES team page - password protected . ...

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• Molecular Lines in Starburst Galaxies
• AO RSS: Astronomy
• The Search for HVCs in Other Galaxies

... ATCA remote observing . by Jacinta Delhaize ( University of Zagreb ) . Merry Christmas from the Galaxy Evolution group at the University of Zagreb! ... We spent the nice, RFI-free time collecting 2.1 GHz radio continuum observations of the XXL-South galaxy cluster field to do redshift evolution studies of active and star forming galaxies. ... In the above picture: Jacinta Delhaize and Nikola Baran ). | ... today * ATNF | ... ATCA | ...

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• Programme - Abstract
• The peculiar galaxy NGC 4258: A black hole candidate.
• Evolutionary Paths in Galaxy Morphology

... 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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• PPEUC Programme - Cosmic Microwave Background Workshop
• Galaxy Evolution: Computing
• Galaxy Evolution Over Five Decades

... Bad Astronomy . ... Bitesize Astronomy . ... The last step encompassed them all with galaxies , and how we discovered that the Milky Way was not the entire Universe. ... And just like those star clusters, there are different kinds of galaxy clusters. ... There are vast clusters of clusters, called superclusters, which contains hundreds of thousands or even millions of galaxies. ... Our own Galaxy has 400 billion stars in it, yet there are clusters out there with millions of galaxies like our own. ...

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• Phil Plait's Bad Astronomy: Misconceptions

... Team . ... V.V.Sokolov "The gamma-ray bursts, core-collapse supernovae and global star forming rate at large redshifts" . ... I.V.Sokolov, A.S.Moskvitin, Eda Sonbas, O.V.Verkhodanov, O.P.Zhelenkova "A galaxy cluster in the GRB 021004 field" . ... The monitoring of GRB afterglows and the study of their host galaxies with the SAO RAS 6-m telescope from 1997". ... A.S.Moskvitin, T.A.Fatkhullin, V.V.Sokolov and V.N.Komarova, "Spectral and photometric monitoring of CCSNe at SAO RAS" . ...

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• Search for distant radio galaxies in SAO
• SCORPIO: IFP Gallery
• Principal scientific results

... We present a photometric and spectroscopic study of the unique isolated nearby galaxy KKR25. The isolated dwarf spheroidal (dSph) galaxy KKR25 was discovered by Karachentseva, Karachentsev Richter (1999, A , 135, 221) during the search of dwarf galaxies in the direction of the Local Void. In spite of its isolation KKR 25 has no gas and looks like a normal dwarf spheroidal system. ... This is the first known planetary nebula in a dwarf spheroidal galaxy outside the Local Group. ...

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• Measurement of the dark halo shape in polar ring galaxies
• important_en
• Multi-Spin Galaxies Conference 2016

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Portrait of Sir William Herschel (1738-1822) Royal Astronomical Society . Probably the most famous astronomer of the 18th century, Sir William Herschel discovered, in addition to the planet Uranus, many new nebulae, clusters of stars and binary stars. ... Other Herschel Family Portraits . Mirror by Herschel . Return to A Short History of Armagh Observatory . Last Revised: 2009 November 23rd . ...

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• Spread of Life Through the Galaxy
• Research Interests
• Armagh Observatory

... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740±50 km/s[][1] 600±30 Mly (183±8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...

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