... 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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• active galactic nuclei | Astronomy.com
• The ringed planet dazzles | Astronomy.com
• View more active galactic nuclei | Astronomy.com

... Sun and Prominence . ... Such was the case last week as a large prominence, visible above, highlighted a highly active recent Sun. ... Is Earth the only known world that can support life? ... NGC 7331 and Beyond . ... Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. ... Only two days past full, February's moon shines through thin clouds, rising on the left in this fisheye night skyscape. ... Whitney along the Sierra Nevada range in California, USA, planet...

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... 2014 February 24 . The Cloudy Cores of Active Galaxies . Image Credit: NASA's GSFC , W. Steffen ( UNAM ) . Explanation: What would it look like to travel to the center of an active galaxy? Most galactic centers are thought to house black hole s millions of times more massive than our Sun. The spaces surrounding these supermassive black holes may be far from dormant, however, flickering in many colors and earning the entire object class the title of Active Galactic Nuclei (AGN). ...

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• APOD: 2000 February 1 - Abell 2218: A Galaxy Cluster Lens
• APOD: 2008 August 22 - Active Galaxy NGC 1275
• APOD: 2001 February 22 - 3C294: Distant X Ray Galaxy Cluster

Galaxies are diffuse objects which are imaged against a background of finite brightness and noise. Galaxies which have the maximum contrast with respect to this background are the ones that are first discovered. ... These galaxies have been missed to date but active surveys for them are underway. ... In this page we present several examples of these newly discovered Low Surface Brightness galaxies as well as examples of high surface brightness galaxies. ...

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• Astronomy Plus CCD Images of Galaxies
• Low Surface Brightness Galaxy Gallery
• Astro-2 and the UIT Experiment

... Location: STScI Cafeteria Conference Room . The STScI Active Galaxies Lunch series provides a forum for interaction between researchers at STScI, JHU and the surrounding area who are interested in astrophysical processes related to active galaxies and black holes. ... Massive Elliptical Galaxies and the Most Massive Black Holes" . ... Lensed, IR-Luminous Galaxies at 1 < z < 3: AGN and Star-Forming Galaxies at the Spitzer Confusion Limit" . ... Feb 9: . Marco Chiaberge (STScI) . ...

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• STScI Preprint #1194
• HST this week: 203
• HST this week: 025

... Our Galaxy . ... Stars . ... Space Flight . ... NGC 2841: a spiral galaxy some 46 million light years away. ... It is especially hard to explain this process of star birth in some spiral galaxies. ... Targets include both star clusters and galaxies, and star formation rates seen range from the starburst galaxy M82 (the Cigar Galaxy) which is creating about ten new stars in its core alone every year to the much less fecund star producer NGC 2841. ... Tweets that mention Baby stars of NGC 2841 | ...

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• stars | Astronotes - Part 6
• Other Galaxies | Astronotes - Part 2
• Water on Mars: Evidence from NASA | Astronotes

... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Weekend Visits to the ALMA OSF . ... Survey Telescopes . ... Galaxies . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... Active Optics . ... The Hubble Space Telescope . ... This image from the NASA/ESA Hubble Space Telescope shows the distant active galaxy PKG 1830-211. ... ALMA (ESO/NAOJ/NRAO)/NASA/ESA/I. Mart†н-Vidal . ... PKS 1830-211 . ...

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• ESO - Newsletter December 2015
• Wide-field view of the sky around the distant active galaxy PKS 1830-211
• The distant active galaxy PKS 1830-211 from Hubble and ALMA

Lab . Main page News People . ASA . Master . Master net Homepage . ... Lomonosov Moscow State University Sternberg Astronomical Institute . ... MASTER . ... Lomonosov (ShOK) . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . People, who work in lab . Latest news and news archive . ... All news ...

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... By means of deep optical images obtained at the Special Astrophysical Observatory 6-m telescope it was discovered that some Seyfert galaxies that were earlier considered to be non-interacting objects displayed signatures of elongated tidal envelopes belonging to satellite debris. ... Our results suggest that statistic studies based on popular imaging surveys (for example SDSS) can lead to an underestimation of the fraction of minor mergers among galaxies with active nuclei (AGN). ...

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• Metagalaxy sector, archive 2010
• RCJ0311+0507
• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group

... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Orientation and Evolutionary Effects in Active Galactic Nuclei . ... In this invited review, I present observational results of Active Galactic Nuclei that my colleagues and I have recently obtained. ...

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• ATNF Daily Astronomy Picture
• VLBI Wiki | Main / Telecon2009Feb11
• lbaops:telecon2009feb11 [ATNF VLBI Wiki]

M87 Gas Disk and Optical Jet (STSci) . SEDS Messier Catalogue M87 Page (U. Arizona) . Black Hole and Jet in M87 (NASA/GSFC) . ... The large scale radio structure is shown in the 3CRR Atlas . Richard White's Virgo Cluster page has optical and X-ray images of the large-scale environment of M87 . ... HST Observes Distant Radio Galaxies (STScI) . HST Finds a Black Hole in NGC4261 (STScI) . HST finds a Bare Black Hole Pouring out Light in NGC6251 . ... Alan Bridle's Home Page . ...

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• astro-ph authors/title/abstract search for 'galaxy cluster' (skipped 200) all

... STScI-PRC99-28 GALAXY COLLISIONS IN DISTANT CLUSTER The group of galaxies -- or "galaxy cluster" -- catalogued as MS1054-03 is 8 billion light-years away, one of the most distant known so far. Although hundreds of galaxies appear in the NASA/ESA Hubble Space Telescope image, a European-led team of astronomers has studied in detail 81 galaxies that certainly belong to the cluster, 13 of which are remnants of recent collisions or pairs of colliding galaxies. ...

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• Carta intest.
• APOD: February 21, 1996 - Millions of Stars in Omega Centauri
• APOD: October 18, 1999 - NGC 3603: An Active Star Cluster

... Sun images . ... Active areas . February : 2016 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Beta . ... Coordinates and other characteristics of active regions are issued for February 09, 2016 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for February 09, 2016 00:31 UT . ...

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• Sunspots and active regions February 10, 2014
• Sunspots and active regions February 10, 2011
• Sunspots and active regions February 10, 2010

. Authors: A.A. Suchkov , V.A. Marakov . Journal: Pis'ma Astron. Zh., 1976, v.2, p.38-385. Metallisity function of globular clusters in the Galaxy is constructed. It is found to have three "humps". This leads to a conclusion that there were three metal enrichment outbursts during the period of globular cluster formation. The constraints on the nature of metal sourses and on the early evolution of Galaxy are considered.

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... Posts tagged ?weather? ... Among billion objects in our Galaxy, outside the Earth, our Sun drags most attention from astronomers. These astronomers go by solar physicists, who enjoy the most abundant data including 400 year long sunspot counts. ... Tags: classifier , forecast , logistic regression , machine learning , predictor , response , space weather , Sun , sunspot , SVM , test data , training data , weather . ... Comment . ... Entries RSS . ... vlk on [MADS] Parallel Coordinates . ...

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• The AstroStat Slog training data
• The AstroStat Slog classifier
• The AstroStat Slog test data

... Session 1 - Stars, star formation, stellar populations and planets . 9.20 10.00 . ... HST Spectroscopy of the Hottest White Dwarfs . ... Coffee break . ... Lunch break . ... A (long) look at neutron stars with HST . ... Session 2 - Nearby galaxies, bulges, spheroids, galaxy formation . ... New HST/ACS Insights into the Evolution of Star-Forming Dwarf Galaxies with Extreme Properties of Cosmological Relevance . ... Deriving properties of Lyman-break galaxies at z~3-5 using HST/VLT/Spitzer data . ...

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... In this universe, redshift depends on galaxy temperature, as can be seen from the spectra of bright galaxies. ... Here are those spectra. Galaxy W21 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 300 400 500 Flux Galaxy W43 Wavelength (nm) 600 700 2.5 Wavelength (nm) 2 1.5 1 0.5 0 300 400 500 Flux 600 700 Galaxy W77 25 Wavelength (nm) 20 15 10 5 0 300 400 500 Flux Galaxy W101 600 700 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 300 400 500 Flux 600 700 Wavelength (nm) Weminimi Telescope National Facility. ...

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• Philip Lah's Research
• COALA - Computational Astrophysics Laboratory
• Julie Banfield | Astronomer

This page is devoted to information on Supernova 1998T in NGC 3690 . Information on the original web pages for many of these images can be found on the Supernova links web page. ... According to http://www.cv.nrao.edu/~jhibbard/a299/a299.html and http://www.ifa.hawaii.edu/postdocs/vacca/images/arp299buv.html it follows that Arp 299 (aka Mrk 171) is made up of IC 694 (UGC 646471) on the east and NGC 3690 (H-247-1) (UGC 646472) on the west. ... Other images of 1998T . Ayabe image . ...

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• Supernova 1999gi in NGC 3184
• Supernova 2002fk in NGC 1309
• Supernova 1994D in NGC 4526

... Archaeo-Astronomy talk by Betty Jo Harper in Navan Sun 8 Nov . ... Professor Robinson is one of EuropeтАЩs leading figures in observational cosmology but as well as providing new insights into the cosmological evolution of distant and dusty galaxies, Professor Rowan-Robinson has been an effective communicator of modern science, writing many popular books for a wide audience. ... Monday, 19 October 2009 20:16 . International Year of Astronomy, Ireland National Node . ...

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• FETTU - Page 1
• Terry Mosely's Bulletins
• Latest News

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

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• Zeldovich-100 / International Conference / Moscow, Russia
• Russian Turkish 1.5-m telescope
• z90-program