... 9.06.2014 . ... The photogenic cluster, pictured above, was captured recently by the orbiting Hubble Space Telescope. ... A star cluster around 2 million years young, M16 is surrounded by natal clouds of dust and glowing gas also known as The Eagle Nebula. ... The Space Station Captures a Dragon Capsule . ... The space station has caught a dragon. Specifically, in mid-April, the International Space Station captured the unmanned SpaceX Dragon capsule sent to resupply the orbiting outpost. ...

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• NGC 3603: From Beginning To End
• Open Cluster NGC 290: A Stellar Jewel Box
• Bright Stars, Dim Galaxy

... 2013 November 19 . Globular Cluster M15 from Hubble . Image Credit: ESA , Hubble , NASA . Explanation: Stars, like bees, swarm around the center of bright globular cluster M15. ... M15 , one of about 170 globular clusters remaining, is noted for being easily visible with only binoculars , having at its center one of the densest concentrations of stars known, and containing a high abundance of variable stars and pulsars . ... Gallery: Comets 2013 . ... About APOD | ...

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• APOD: 2011 May 3 - Globular Cluster M15 from Hubble
• APOD: 2001 November 3 - Bright Stars, Dim Galaxy
• APOD: October 14, 1996 - Bright Stars, Dim Galaxy

... STScI-PRC99-19 HUBBLE FINDS VARIABLE STARS IN DISTANT SPIRAL GALAXY A NASA Hubble Space Telescope (HST) view of the magnificent spiral galaxy NGC 4603, the most distant galaxy in which a special class of pulsating stars called Cepheid variables have been found. It is associated with the Centaurus cluster, one of the most massive assemblages of galaxies in the nearby universe. ... Researchers found 36-50 Cepheids and used their observed properties to securely determine the distance to NGC 4603. ...

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• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/9821.txt
• Hubble Reveals Stellar Fireworks Accompanying Galaxy Collision PRC97-34a
• APOD: July 7, 1999 - M80: A Dense Globular Cluster

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Stars . ... Space Flight . ... This image of the Tarantula Nebula comprises one of the largest mosaics ever assembled from Hubble photos and includes observations taken by HubbleтАЩs Wide Field Camera 3 and Advanced Camera for Surveys, combined with observations from the European Southern ObservatoryтАЩs MPG/ESO 2.2-metre telescope which trace the location of glowing hydrogen and oxygen. ... Subscribe to Astronotes . ...

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• Hubble shows us a spectacular star cluster | Astronotes
• Hubble images orphan star | Astronotes
• Hubble Space Telescope sees into Omega Centauri's future | Astronotes

... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

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• Larry Bradley :: Research
• Selected telescopes I have observed with
• Hubble Space Telescope

The heart of the giant globular star cluster 47 Tucanae in the Hubble Space Telescope image at left reveals the glow of 200,000 stars. The green box outlines the cluster s crowded core, where Hubble spied a parade of young white dwarfs starting their slow-paced 40-million-year journey to the less populated suburbs. The stellar relics are too faint to be seen clearly in visible light, as shown in the Hubble image at top right. ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B8DA4E3D4-5D58-4BC0-905C-81F6271CDE83%7D
• Hubble sees a galaxy festooned with stellar nurseries | Astronomy.com
• Hubble finds stellar life and death in a globular cluster | Astronomy.com

... Ultraluminous X-ray sources (ULXs) are located in external galaxies, their X-ray luminosities (10 39 - 10 41 erg/s) are thousand times greater than those of brightest black holes in the Galaxy. ULXs may be supercritical accretion disks around black holes of stellar masses (~10 Solar masses) like that in SS433, or they may be a hypothetical intermediate-mass black holes (hundreds - thousands Solar masses) with standard accretion disks. ... 2) The ULX progenitors were ejected from the star clusters. ...

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• important_en
• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group
• Detection of unique bright radio flare of X-ray binary

The Doppler shift is the effect of sound increasing or decreasing in pitch as an object moves towards or away from you. ... Light works the same way, except light is shifted to redder colours when an object is moving away, and to blue colours when an object is travelling towards us. ... Almost every object he observed had its light stretched to redder colours, indicating essentially everything in the Universe was moving away from us. ... So the Hubble constant tells us how old the Universe is. ...

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• IAU Commission #34 (Interstellar Matter)
• How far away is Virgo?
• Blue Straggler Stars

Stellar Clusters are very useful laboratories for empirically studying stellar evolution. ... All cluster stars are at the same distance . All cluster stars have the same physical age . ... CM diagram Young Cluster In this case we see the Main Sequence fully represented. The blue dots represent massive stars with short main sequence lifetimes. ... Thus, identifying the most massive star which is still on the main sequence is an effective means of determining the age of a stellar cluster. ...

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• THE HUBBLE LAW JAVA APPLET
• Astro-2 and the UIT Experiment
• Low Surface Brightness Galaxy Gallery

Astronomy suffers from the `Static Illusion' - because astronomical changes usually occur over intervals much longer than a human lifetime they appear static. This illusion affects our understanding of how astronomical objects work. ... Observations at the 1/10th arcsecond level with HST and near-infrared adaptive optics on ground based telescopes are beginning to create movies of `astronomy in motion'. ... Proto-star HH-30 expanding jet HST.. Young binary, XZ Tau, expanding `bubbles' HST.. ...

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• PAUL J. GREEN - Contributing ConcepTests
• Southern SHARC survey
• The AstroStat Slog Hubble

... A tussle in the distant Universe. This Hubble Space Telescope image shows evidence for a merger between a quasar and a companion galaxy. The quasar is the bright object just beneath the image center, and the wisps of material around it are remains of a galaxy disrupted by the interaction between it and the quasar. ... Galactic Nuclei: Old Quasars? Quasars as Probes of the Distant Universe . ... Quasars. ... The name quasar is made up with parts of the words "quasi-stellar radio." ...

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• ASP: Taking a Grand Virtual Voyage in the Milky Way
• ASP: Up, Up, and Away
• ASP: Star Science in the Autumn Sky

... Two Start of the data set. touch each other and cancellation big cluster of negative fragment at southwest also at the edge of at the northeast, and it The emerging positive negative fragments at its continues at the previous During the cancellation at the bipolar region, although there are short-living X-ray flashing sometimes, it is hardly to see any clear bright structure. ... 03:29 The negative fragments in the previous bipolar region become less, smaller and weaker. ... Cancellation continues. ...

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• http://star.arm.ac.uk/highlights/2012/603/bp_mag/VisualAnalysis/121107/121107_09.pdf
• Astronomy Today and the Role Played by the Hubble Space Telescope: Wednesday 17
• Armagh Observatory

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

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• ESLAB 2007
• The Formation and Evolution of LMC Rich Star Clusters: NGC 1818

... 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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• The Pleiades
• WISP Observations of the Pleiades in the Ultraviolet
• New Results Confirm Dark Galaxy Existence

... Bad Astronomy . ... Mad Science . ... if hubble was pointed at earth, what could it resolve? is it too bright? ... This type of image is called a ``flat field'', because you want the field of view to look as flat as possible. In space there aren't any flat fields you can use, but we do have one right here: the Earth. ... It takes a lot of sophisticated computer processing to turn this into a real flat field for Hubble to use, but luckily there are a lot of smart people working on the problem. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy

http://hubblesite.org/newscenter/archive/releases/1996/22/text/ Probing the mysterious heart of the Crab Nebula, the tattered remains of a stellar cataclysm witnessed more than 900 years ago, astronomers using NASA's Hubble Space Telescope have found that the Crab is even more dynamic than previously understood, based on a cosmic "movie" assembled from a series of Hubble observations. ... Because of this flickering, the neutron star is also called a "pulsar." ...

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• Edwin Hubble and Family in Louisville

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

... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...

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• Theoretical Astrophysics
• Extragalactic Astronomy

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• The globular cluster NGC 6388, observed by the NASA/ESA Hubble Space Telescope
• Hubble image of the galaxy cluster Abell 3827
• Hubble image of the globular star cluster NGC 6362

... Karachentsev I.D., Dolphin A., Tully R.B., Sharina M., Makarova L., Makarov D. , Karachentseva V., Sakai S., Shaya E.J. Advanced Camera for Surveys Imaging of 25 Galaxies in Nearby Groups and in the Field . ... Karachentseva V.E., Melnyk O.V., Vavilova I.B., Makarov D.I. Virial and total masses of galaxy triplets in the Local Supercluster . 2005, Astron. ... Karachentsev I.D., Makarov D.I. "The Galaxy Motion Relative to Nearby Galaxies and the Local Velocity Field" . ...

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• Publications of Klochkova Valentina
• SCORPIO: IFP Gallery
• Experiment COLD: Astrophysical Problems Studied in Experiment Cold