... Tonight's Sky . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... space flight . exoplanets . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Why can the Hubble Space Telescope see distant galaxies but not exoplanets? ... D espite Hubble's marvelous ability to image distant galaxies, the telescope isn't able to image extrasolar planets. Get instant access to subscriber content on Astronomy.com! ...

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• Hubble observes galaxies' evolution in slow motion | Astronomy.com
• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Glenn Chapleт??s Observing Basics: Star-hop around the Hare | Astronomy.com

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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• THE HUBBLE LAW JAVA APPLET
• Astronomy Plus CCD Images of Galaxies

... Science . ... Science Users Information > Science Publications > Science Announcements > Baryons at Low Densities: the Stellar Halos around Galaxies . ... ESO Data . ... Stellar halos are ubiquitous in luminous galaxies, but their low surface brightness hampers detailed study in distant galaxies. ... The properties of the Milky Way halo will also be discussed as representative of those of a halo around a spiral disk galaxy, with the main focus of the workshop being on extragalactic stellar halos. ...

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• ESO - Stellar Halos 2015
• ESO - Discs in Galaxies
• ESO - Science Announcements

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Posted on February 6, 2014 | 2 Comments While the winter sky may be the тАШAladdinтАЩs caveтАЩ for skywatchers, and we may already have plundered deeply one of its greatest celestial treasures, the constellation of Orion, we forge [ ] . Continue Reading.. Posted on January 22, 2014 | ... Posted on December 6, 2013 | ... Posted on November 6, 2013 | ... Posted on October 4, 2013 | ... Posted on September 9, 2013 | ...

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• Hubble Space Telescope sees into Omega Centauri's future | Astronotes
• observing | Astronotes - Part 3
• Baby stars of NGC 2841 | Astronotes

... 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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... 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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• A black hole in the nearby galaxy M32
• Dust disk around a black hole in galaxy NGC 7052
• Selected telescopes I have observed with

... ATNF Home . ... About ATNF overview . News | ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Now, new Australia Telescope observations of the polar ring galaxy NGC 4650a suggest that the dark matter in this galaxy lies in a flattened distribution aligned with the polar ring. ...

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• ATNF Media Release - December 1, 1998
• Evolutionary Paths in Galaxy Morphology
• ATNF Colloquium

... STScI-PRC99-16 RING AROUND A GALAXY Space Telescope Science Institute astronomers are giving the public chances to decide where to aim NASA's Hubble Space Telescope. Guided by 8,000 Internet voters, Hubble has already been used to take a close-up, multi-color picture of the most popular object from a list of candidates, the extraordinary "polar-ring" galaxy NGC 4650A. Located about 130 million light-years away, NGC 4650A is one of only 100 known polar-ring galaxies. ...

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• STScI- PRC99-10: Hubble's Infrared Galaxy Gallery
• Hubble Uncovers Dust Disk Around a Massive Black Hole (STScI-PRC98-22) A
• Hubble Reveals Stellar Fireworks Accompanying Galaxy Collision PRC97-34a

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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• Introduction
• ChaMPlane

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2015 September 21 . Spiral Galaxy M96 from Hubble . Image Credit: ESA / Hubble NASA and the LEGUS Team ; Acknowledgement: R. Gendler . ... M96, also known as NGC 3368 , is known to be about 35 million light-years distant and a dominant member of the Leo I galaxy group . ... Explore your Universe: Random APOD Generator . ... About APOD | ...

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• APOD: December 23, 1998 - Ring Around the Galaxy
• APOD: 2009 November 9 - NGC 2623: Galaxy Merger from Hubble
• APOD: 2016 February 23 - A Supernova through Galaxy Dust

... MACS 1206: A Galaxy Cluster Gravitational Len . ... Credit Copyright: NASA , ESA , M. Postman ( STScI ), and the CLASH Team Explanation: It is difficult to hide a galaxy behind a cluster of galaxies. The closer cluster's gravity will act like a huge lens , pulling images of the distant galaxy around the sides and greatly distorting them. ... Publications with keywords: galaxy cluster - gravitational lens . ... Galaxy Cluster Abell 1689 Deflects Light . ... The Hydra Cluster of Galaxies . ...

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• Dark Matter Ring Modeled around Galaxy Cluster CL0024 17
• Ring Around the Galaxy
• NGC 2623: Galaxy Merger from Hubble

... Home Gallery Astrophotography Deep Sky Images by Joe DiNapoli . ... Deep Sky Images by Joe DiNapoli . ... Deep Sky Gallery by Ed Fox . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate 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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• Astro-Imaging ? Page 8 ? Amateur Astronomers Association of New York
• Astro-Imaging ? Page 14 ? Amateur Astronomers Association of New York
• Deep Sky Gallery by Ed Fox ? Amateur Astronomers Association of New York

... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...

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• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group
• New LBV Stars in the Andromeda Galaxy
• Metagalaxy sector, archive 2011

... Spacecraft . 29b. Satellites looking down . ... 29e. Explorers of distant space . ... The Hubble orbiting telescope. ... The Hubble telescope , in low Earth orbit, overcomes such limitations, in the visible range and in part of the UV. ... So fruitful was this observation that a second "deep field" exposure of such length, near the southern pole of the heavens, was recently conducted. ... Some satellites specialize in observing the Sun, such as the Japanese Yohkoh and NASA's SOHO . ...

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• (S-7a) The Black Hole at the Center of our Galaxy

... Here some data observed on the 6m telescope with IFP installed in the OLD focal reducer are presented. ... Mkn 3: velocity field . ... NGC 5252: [OIII] image . ... NGC 5252 was observed 23 Feb. 1998 in the [OIII]5007 emission line with CCD TK1024 as detector. ... We observed the ionized gas velocity fields of the spiral galaxies with two purpose. ... Restored velocity field of NGC 157 in the reference frame rotating with the pattern speed overlaid on the Ha image of the galaxy . ... NGC 4100 . ...

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• SCORPIO: IFP Gallery
• Principal scientific results
• These galaxies were observed (Project: vortex)

... Confirmation that a mysterious cloud of hydrogen in the Virgo Cluster is a dark galaxy has been published by a team of astronomers . New evidence from NASA's Hubble Space Telescope and the Westerbork Synthesis Radio Telescope in the Netherlands has been used to rule out all but one of the ideas put forward to explain the existence of VIRGOHI 21, an intergalactic gas cloud 50 million light-years from the Earth. ... Only Dark Matter can account for the existence of such a system. ...

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• Example Observing Projects
• Arecibo Galaxy Environment Survey (AGES)
• AGES - the Arecibo Galaxy Environment Survey

The ESA/ESO Astronomy Exercise Series 2 . The Distance to Messier 100 as Determined by Cepheid Variable Stars . ... The small variations in distance to the individual Cepheid variable stars in the Cloud are negligible compared with the much larger distance to the SMC. ... In this way Cepheid variable stars can be used as one of the 'standard candles' in the Universe that act either as distance indicators themselves or can be used to calibrate (or set the zero point for) other distance indicators. ...

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• ASP: Beacons in the Gloom
• ASP: An Ancient Universe - The Age of Light from the Most Distant Galaxies
• ASP: Mercury Summer 2011

... Your main research interests concern neutral hydrogen. ... That means that there must be enormous quantities of gas lying around, waiting for the chance to collapse under its own weight into lumps and form stars and galaxies. If we could actually observe this gas, as it moves around and assembles itself into lumps, we would be directly observing the process of galaxy formation. ... Optical astronomers seem to think that they can observe galaxy formation by taking optical images. ... In galaxies. ...

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• Philip Lah's Research
• Julie Banfield | Astronomer
• The SMS Survey

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Hubble †йpingle 7 galaxies aux fronti†иres de l'Univers . ... L'†йtude des premi†иres galaxies de l'Univers est aussi l'un des objectifs du t†йlescope g†йant europ†йen E-ELT . ... Etat du ciel . ...

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• Fusion de galaxies naines †а proximit†й de la Voie lact†йe | Ciel et Espace
• Le catalogue du projet Galaxy Zoo rendu public | Ciel et Espace
• Voir l'univers, la rГїvolution en images | Ciel et Espace

... 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