... Anvil Cloud Over Sicily . ... Galaxy Cluster Lenses Farthest Known Galaxy . ... A Patch of Spherules on Mars . ... Some patches of Mars are full of mysterious tiny spherules. ... And just for a moment, they used Very Large Telescopes at the European Southern Observatory to appreciate the beauty of the nearby Universe. ... M64: The Sleeping Beauty Galaxy . ... The Sleeping Beauty galaxy may appear peaceful at first sight but it is actually tossing and turning. ... Announcing Comet C 2002 T7 LINEAR . ...

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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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... 2000 December 8 . Abell 1795: A Galaxy Cluster's Cooling Flow . ... Astronomers have realized since the early 1970s that the larger swarms, immense clusters of galaxies millions of light-years across, are immersed within tenuous clouds of hot gas which glow strongly in x-rays. ... This Chandra Observatory x-ray image reveals a striking cooling flow in the central regions of the galaxy cluster cataloged as Abell 1795. ... About APOD | ...

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• APOD: December 7, 1997 - A Distant Cluster of Galaxies
• APOD: 2005 December 30 - The Perseus Cluster of Galaxies
• APOD: 2005 December 8 - X-Rays from the Perseus Cluster Core

... Armagh Planetarium . ... Universe . ... Posted on July 3, 2012 | 17 Comments Mankind is responsible for numerous achievements in technology, arts and science.However, how much can this attributed solely to the human mind or is there another reason man has achieved such [ ] . ... Newer Entries . Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• A Spectacular View of the Lagoon Nebula | Astronotes
• M55 globular cluster seen by ESO | Astronotes
• Kepler-10c: the First Mega-Earth | Astronotes

... 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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... December 13, 1997 . The Coma Cluster of Galaxies . ... The Coma Cluster of Galaxies pictured is one of the densest clusters known - it contains thousands of galaxies . Each of these galaxies house billions of stars - just as our own Milky Way Galaxy does. ... In fact, the Coma Cluster is so big it takes light millions of years just to go from one side to the other! Most galaxies in Coma and other clusters are ellipticals , while most galaxies outside of clusters are spirals . ...

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• APOD: December 18, 1999 - Irregular Galaxy Sextans A
• APOD: May 3, 1997 - Giant Cluster Bends, Breaks Galaxy Images
• A new survey of X-ray clusters of galaxies with the Swift-X-ray Telescope

... Hubble, Spitzer, and Chandra will build upon earlier deep-field initiatives with 12 new deep fields, consisting of six galaxy cluster fields and six neighboring parallel fields. ... WFC3 BACKGROUND GALAXY GALAXY CLUSTER L Six parallel fields will strengthen the statistics of early galaxy properties pioneered by previous deep fields. ... In this image, the Frontier Fields images of Abell 2744 (left) and the adjacent parallel field (right) are shown overlaid on an ESO/VLT HAWK-I K-band image. ...

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• http://www.stsci.edu/hst/campaigns/frontier-fields/images/frontier_fields_pullup_display_final.pdf
• http://www.stsci.edu/~marel/abstracts/psdir/AAS197_76_04.ps
• ST ScI Preprint #1400

Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...

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• astro-ph authors/title/abstract search for 'galaxy environment' all years
• astro-ph authors/title/abstract search for 'galaxy merging' all years

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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• PAUL J. GREEN - Contributing ConcepTests
• PAUL J. GREEN - Page de la Maison

Results from 6m telescope observations of globular clusters in dwarf galaxies Sharina M. We consider properties of globular clusters in dwarf galaxies observed with the multi-slit unit of the SCORPIO spectrograph at the SAO 6m telescope. ... Studying GCs in dwarf galaxies at the faintest end of the galaxy luminosity function provides valuable information for a better understanding of galaxy evolution and evolutionary connection between globular clusters and nuclei of galaxies. ...

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

... Research . ... I aim to understand the variety of processes that have driven galaxy formation and mass assembly across cosmological history via the resolved (star-by-star) study of nearby systems - in particular the Milky Way and Andromeda (especially their stellar halos and globular cluster populations), the Magellanic Clouds, and the myriad of smaller dwarfs that inhabit the "Local Group".б  . ... Globular clusters are fascinating objects in their own right. ...

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• VV29 = Arp 188 = The Chainsaw Galaxy
• Gary Da Costa's Preprints Page
• Research Interests

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: Globular Clusters and Satellite Galaxies: Companions to the Milky Way
• ASP: NGC Images on the Net
• ASP: Sharing the Universe

... Science . ... Science Users Information > Science Activities > VLT/VLTI Science Verification > VIMOS . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... VLT/VLTI Science Verification . ... VISTA Science Verification . APEX Science Verification . ... ESO Science Newsletter . ... A VIMOS-IFU Study of Early-Type Galaxies . ... NGC 1427 (03h42m19.4s -35d23m34s) . ... Program to be observed . ...

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• Panning across VISTAтАЩs view of the Fornax Galaxy Cluster | ESO
• ESO - Thesis Topic: Dynamical models of multiple globular cluster populations
• Panning across the giant elliptical galaxy Centaurus A (NGC 5128) and its

Gerhardt Meurer (Johns Hopkins University) . The accompanying picture shows NGC 2915, which Australian, Canadian, and American astronomers have shown to be the darkest known disk galaxy. ... The team of astronomers, lead by Gerhardt Meurer at Johns Hopkins University, analyzed the rotation of the galaxy and showed that NGC 2915 is composed mostly of "dark matter". Dark matter is extremely difficult to detect since it does not emit any radiation. ... Gerhardt R. Meurer . ...

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• ATNF Daily Astronomy Picture
• Powerful AGN and Their Host Galaxies Across Cosmic Time
• ATNF Colloquium

... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... SUBJECT: 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... which will be held in Beijing, P.R. China, from August 25-29, 2014, hosted by Chinese Academy of Sciences . ... China), . ... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. ...

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• Achievements - Page 4

Galaxy cluster Abell 2218 acts as a powerful lens, magnifying all galaxies lying behind the cluster core. The lensed galaxies are all stretched along the cluster's center and some of them are multiply imaged. ... The color of the lensed galaxies is a function of their distances and types. The orange arc is an elliptical galaxy at moderate redshift (z = 0.7). The blue arcs are star-forming galaxies at intermediate redshift (z = 1-2.5). ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B45E9FEDA-BA85-4BC6-9E20-E2EF0B096758%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BB1779EA0-6A21-404C-B18D-036ABDA317BE%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BA2162654-4728-426D-AD7E-311BF08CD740%7D

... The measurements extend to a lower 1.5 GHz limit of 1.0 mJy and comprise a complete sample with 1.5-GHz flux density 2.5 S1.5 J/AuJPh/47/145 VLA Survey of Rich Clusters of Galaxies II (Slee+, 1994) J/AuJPh/49/977 VLA Survey of Rich Clusters of Galaxies III (Slee+, 1996) ================================================================================ A VLA Survey of Rich Clusters of Galaxies II. ... Note (3): An elliptical Gaussian was fitted to the source. ...

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• A 1400-MHz Survey of 1478 Abell Clusters of Galaxies
• A VLA Survey of Rich Clusters of Galaxies I.
• A 20 cm VLA survey of Abell clusters of galaxies

The Experiment: To find the first galaxies . Understand basic properties of star formation/galaxies ? guess how a young galaxy, or protogalaxy would appear . ... New stars very blue: will appear redder at large distances (redshift). Dust protects gas from radiation. Dust is heated and is luminous at infrared wavelengths. ... Gas in close to a group of galaxies (cluster) may become very hot and emit X-rays. Previous slide . Next slide . Back to first slide . ...

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• PPEUC Programme - Cosmic Microwave Background Workshop
• Astrophysics Group AMI Science
• Download building of the radiospec package Bojan Nikolic web pages (r. 329)

RED SEQUENCE DWARF GALAXIES IN CLUSTERS F. G. Kopylova and A.I. Kopylov Special astrophysical observatory, Russian Academy of Sciences Red sequence galaxies in clusters are an important population for understanding galaxy formation and evolution in general. ... To study the red sequence luminosity function and dwarf-to-giant ratio (DGR), we select 10 clusters of galaxies of the Leo Supercluster (z 0.035, D 150 · h-1 M pc) (Fig.1). ...

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• http://www.sao.ru/Doc-en/Science/Public/Bulletin/author_rules/keywords.pdf
• articles_olga_eng
• RCJ0311+0507

... August Solar Eclipse Report: Thursday 11 September 2008 . ... Dr Fosbury is head of the section in the European Space Agency (ESA) as part of ESA's collaboration with NASA on the Hubble Space Telescope (HST) project at ST-ECF . ... The lecture is entitled "Astronomy today and the role played by the Hubble Space Telescope". ... Tuesday, 16 September 2008 00:44 . International Year of Astronomy, Ireland National Node . ...

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• Spread of Life through the Galaxy
• Hot subdwarfs
• Featured Image | International Year of Astronomy in Ireland | Astronomy 2009