... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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• Bright planets meet at dusk | Astronomy.com
• Get ready for the 2017 total solar eclipse! | Astronomy.com
• Year of Pluto | Astronomy.com

... Science . ... The goal is to bring together two communitities: the one working on star formation (mostly galactic) and the one working on the formation of young massive clusters (mostly extra-galactic). We will link galactic with extra-galactic work, optical/NIR techniques with sub-mm/mm/radio ones, the formation of stars with the one of massive star clusters - observations and theory. ... Coordinated by Marina Rejkuba (abstract) . ... How did star formation proceed in Globular Clusters? ...

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

... 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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• GOODS: The Great Observatories Origins Deep Survey
• Hubble Space Telescope
• HST Observer Monthly

... Gallery . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... Clear Sky Chart . ... This MonthтАЩs Sky тАУ April 2015 . This MonthтАЩs Sky тАУ May 2015 . This MonthтАЩs Sky тАУ June 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• Jupiter and its moons ? Amateur Astronomers Association of New York
• Jupiter ? Amateur Astronomers Association of New York
• Great Kills, Staten Island ? Amateur Astronomers Association of New York

... About ATMoB . ... The Observing Committee is starting an Observing Awards Program to promote observing among the membership of the Amateur Telescope Makers of Boston. ... Participant must be a current member of the Amateur Telescope Makers of Boston . ... To qualify for your Observing Award Certificate, turn in your worksheet and drawings to an ATMoB Observing Committee member or observing@atmob.org . ... This Excel sheet has useful macros. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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• Amateur Telescope Makers of Boston

... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... RV Tau Variables in Globular Clusters - clues on their nature? ... This is a report of the detailed elemental abundances of RV Tau variables that reside in globular clusters, and how they compare with RV Tau variables in the field. ...

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• Blind HI Survey in the Centaurus and Fornax Clusters
• ATNF Colloquium
• Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or

... Perhaps the most famous star cluster on the sky, the Pleiades can be seen without binoculars from even the depths of a light-polluted city. ... A Halo Around the Moon . ... Cameras around the globe pointed skyward this week to capture the spectacular conjunction of a crescent Moon and bright planets Venus and Jupiter. ... Venus in the Moon . ... On December 1, bright planets Venus and Jupiter gathered near the young crescent Moon, an inspiring celestial scene in early evening skies around the world....

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• M15: A Great Globular Cluster

... 145Slee,Roy Savage We present detailed radio and optical parameters for the stronger radio sources in 58 Abell cluster fields observed with the Very Large Array (VLA) using scaled arrays at 1.5 and 4.9 GHz. ... The cluster fields were distributed over 24 h of RA and between declinations +35 deg and -30 deg. ... Optical identifications Cluster Source Radio Centroid Optical Position EF Ang. ...

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

IFP gallery SCORPIO (since 2000). Here some data observed on the 6m telescope with IFP installed in the SCORPIO focal reducer are presented. ... Velocity field . Mkn 1157 was observed 1 Sep. 2002 in the Ha emission line. Texp =32x240 sec, seeing 1.5", IFP260. ... This galaxy was observed September, 23 2000 in the Ha emission line, Texp=32x120 sec, seeing 2.5", IFP260. ... PV Cep was observed at the 6m telescope in May, 25 2003 in the [SII] 6716A with IFP501, Texp=36x200 sec, seeing 1.0". ...

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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 Galaxy Gallery: Messier Objects
• The Galaxy Gallery Page IX: Clusters of Galaxies
• Physics 410/510 Observational Cosmology

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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• Telescope nights at Armagh Planetarium | Astronotes
• Aldebaran: Red Giant at the Eye of the Bull | Astronotes
• observing | Astronotes - Part 5

... Each day we feature a different image or photograph of our fascinating universe, along with a brief explanation written by a professional astronomer. July 26, 1995 . M15: A Great Globular Cluster . Credit: The Electronic Universe Project . ... One of the brightest globular clusters in our Milky Way galaxy is the pictured M15, the fifteenth object on Messier's list of diffuse objects on our sky. ... For more information on M15 see The Electronic Universe Project's write-up. ...

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• APOD: 2007 November 15 - M13: The Great Globular Cluster in Hercules
• APOD: 2008 August 26 - 47 Tuc: A Great Globular Cluster of Stars
• APOD: August 19, 1998 - M13: The Great Globular Cluster in Hercules

... Astrophysics Group . ... MRAO Telescopes . AMI . ... This is a cosmic microwave background (CMB) telelescope with a difference, in that it is designed to survey the sky looking for galaxy clusters by means of the ?shadows? they cast against the CMB. This shadowing, the so-called SZ effect, is a remarkable phenomenon because it is independent of redshift, allowing AMI to find clusters which are so far away that their own emission would be too faint to detect ? ...

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• Astrophysics Group AMI Science
• Astrophysics Group Arcminute Microkelvin Imager (AMI) Digital Correlator
• Astrophysics Group AMI-Planck

... Has Jupiter been hit, or does it have a new storm? From Anthony Wesley, Australia: " Yes, believe it or not, it seems that Jupiter has been hit by something and there is a jet black impact mark near its south pole. ... The last one I remember was the Shoemaker-Levy impacts in 1994." Link to the Irish Astronomy blog . ... Sunday, 19 July 2009 22:52 . International Year of Astronomy, Ireland National Node . ...

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• Observing Jupiter | International Year of Astronomy in Ireland | Astronomy 2009
• Photos & videos from the astronomy show of Friday 16 April 2010 | OASES Over us
• Why this is interesting: reasons for which astronomers get very excited around

home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... Community Involvement . ... Observatories, amateur astronomy meetings, star parties, museums, planetariums, science centers, and research centers are likely to be somewhere near your school. ... Believe it or not, there are resources to help scientists learn how to be more effective in science education classroom environments, and you don't have to enroll in an education degree program to take advantage of them. ...

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• ASP: Big Clusters, Tiny Galaxies
• ASP: Let Venus Be My Guide
• ASP: Guest Observer

... ASRAS HOME . ... ASRAS Board Members . ... Site . ... The Astronomy Section of the Rochester Academy of Science , also known as ASRAS, is Rochester's astronomy club. ... ASRAS Members enjoy all aspects of astronomy, including: тАв astrophotography and astro-imaging . ... тАв Monthly meetings that include presentations by guest speakers or members on topics ranging from elementary to advanced. тАв Access to our dark sky observing site, the Marian and Max Farash Center for Observational Astronomy, . ...

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• Mees Observatory
• ASRAS HOME
• Beginners

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

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... Archives . ... my first AAS. ... I was questioned by two attendees, acquainted before the AAS, if I can suggest them clustering methods relevant to their projects. ... classification vs. clustering or supervised learning vs. unsupervised learning : the former terms from the pairs indicate the fact that the scientist already knows types of objects in his hands. ... Tags: Classification , clustering , cosmology , spatial statistics , supervised learning , test , unsupervised learning . ...

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• The AstroStat Slog Search Results google sky
• The AstroStat Slog globular cluster
• The XPA Messaging System

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• XMM-Newton Trainee Project 2005
• XMM-Newton Data Access

A Canadian and American team of Astronomers have used the 305-m wide Arecibo radio dish, the world's largest and most sensitive radio telescope, to uncover a dozen new super-fast-spinning pulsars. The team directed their search for these rare and exotic stars by pointing the Arecibo radio telescope towards massive star clusters, called Globular Clusters, orbiting our Milky Way galaxy. ... One of the most exotic residents in the Globular cluster system are the millisecond pulsars. ...

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• Pulsar Observing