... Explanation: The bright core and outer reaches of giant elliptical galaxy M60 (NGC 4649) loom large at the upper left of this sharp close-up from the Hubble Space Telescope. Some 54 million light-years away and 120,000 light-years across, M60 is one of the largest galaxies in the nearby Virgo Cluster . ... Cataloged as M60-UCD1, it may well be the densest galaxy in the nearby universe. ... Publications with keywords: Elliptical Galaxy - dwarf galaxy . ... Peculiar Elliptical Galaxy Centaurus A . ...

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• Hubble s Messier 5
• NGC 4449: Close up of a Small Galaxy
• M4: The Closest Known Globular Cluster

... 2012 March 23 . Messier 9 Close-up . Credit: ESA/Hubble , NASA . Explanation: Renown 18th century astronomer Charles Messier described this 9th entry in his famous astronomical catalog as "Nebula, without star, in the right leg of Ophiuchus .. But Messier 9 (M9) does have stars, known to modern astronomers as a globular cluster of over 300,000 stars within a diameter of about 90 light-years. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

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• APOD: 2011 January 13 - NGC 3521 Close Up
• APOD: 2009 September 10 - The Butterfly Nebula from Upgraded Hubble
• APOD: 2007 July 10 - NGC 4449: Close-Up of a Small Galaxy

... 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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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: Programs and Publications
• ASP: Cover Story: Chandra Delivers

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Stars . ... Space Flight . ... Monthly Sky Notes . ... By admin October 1, 2010 Posted in: Stars . A sky of blazing stars (Image Credit: NASA/ESA) . Imagine that once the Sun sets, rather than a dark sky sprinkled with a few thousand dim stars, we had a sky blazing with ten thousand or so stars blazing brighter than Venus. ... Planets orbiting stars in the NGC 3603 Young Cluster would experience just such a sky. ...

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• Hubble Space Telescope sees into Omega Centauri's future | Astronotes
• HST | Astronotes - Part 4
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

... STScI-PRC00-25 A DYING STAR IN GLOBULAR CLUSTER M15 The globular cluster Messier 15 is shown in this color image obtained with the NASA Hubble Space Telescope's Wide Field Planetary Camera 2 (WFPC2). ... Known as Kuestner 648, this was the first planetary nebula to be identified in a globular cluster. ... At the present time, the most massive stars remaining in M15 have about 80 percent of the mass of our Sun, a fact that makes the existence of a planetary nebula like K 648 something of a mystery. ...

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• APOD: 2000 August 4 - M15: Dense Globular Star Cluster
• ESA Hubble Information Centre
• Arcetri Star-Formation Group Publications

... 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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• Black Holes in Globular Clusters
• Aaron Dotter
• Dr. Laura Watkins

... A faint, dusty rose of the northern sky, emission nebula IC 410 lies about 12,000 light-years away in the constellation Auriga. The cloud of glowing hydrogen gas is over 100 light-years across, sculpted by stellar winds and radiation from embedded open star cluster NGC 1893. ... These "tadpoles" (seen just below center) are regions of denser, cooler gas, and more slowly resist the erosive radiation from the hot stars. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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. The Hubble Space Telescope has produced the most detailed image so far of Messier 9, a globular star cluster located close to the center of the galaxy. This ball of stars is too faint to see with the naked eye, yet Hubble can see over 250,000 individual stars shining in it. Credit: NASA/ESA

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B9A5B5658-6AD3-4C0D-A604-FA6912ED957C%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BC270B0C8-3EF4-46A0-89CB-EAD09E13BCAC%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B7AAC2165-B2F3-4448-BCE8-F2C6CBA78534%7D

. F IGURE . 2. The distribution of globular clusters projected onto the XY [(a) and (c)] and YZ [(b) and (d)] planes for metal-rich clusters of the thick disk with [Fe/H] -1.0 [(a) and (b)] and metal-poor clusters of the halo [(c) and (d)]. The closed curves are upper envelopes drawn by eye. Clusters lying far from the central concentrations in the diagrams are outlined and their numbers indicated. discussion in the text | previous figure | next figure .

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• Vladimir Marsakov Publication List

... Bad Astronomy . Misconceptions . ... Bad Astronomy : "We're light years more advanced than our competition!" ... Even the closest astronomical object, the Moon, is 400,000 kilometers away! ... A beam of light will travel 9,500,000,000,000 kilometers in one year. This distance is defined as a light year ; the distance light travels in a year. ... This is another example of Bad Astronomy; like a light year, a parsec is a unit of distance, not time (to be specific, it equals 3.26 light years) . ...

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

... ESO, the European Southern Observatory . ... ESO's Governing Bodies . ... Travel to ESO Headquarters . ... Images . ... Galaxy Clusters . ... Star Clusters . ... Usage of ESO Images and Videos . ... Usage of ESO Videos and Images . ... Stars@ESO . ... This pan video gives a closer look at a striking view of the globular star cluster Messier 55 in the constellation of Sagittarius (The Archer) that was obtained in infrared light with the VISTA survey telescope at ESOтАЩs Paranal Observatory in Chile. ...

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• Marina Rejkuba's Web Site
• VISTA view of the newly discovered globular cluster