... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 December 9 . HUDF Infrared: Dawn of the Galaxies . Credit: NASA , ESA , G. Illingworth ( UCO/Lick UCSC ), R. Bouwens ( UCO/Lick Leiden U. ), the HUDF09 Team . ... To help find out, the deepest near-infrared image of the sky ever has been taken of the same field as the optical-light Hubble Ultra Deep Field (HUDF) in 2004. ...

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• APOD: 2007 September 10 - Building Galaxies in the Early Universe
• APOD: 2004 March 9 - The Hubble Ultra Deep Field
• APOD: 2012 December 5 - Plasma Jets from Radio Galaxy Hercules A

... Building Galaxies in the Early Universe . ... A recent analysis of the HUDF focused on the smallest, faintest and most compact galaxies imaged. ... An image of this field with the Spitzer Space Telescope shows a lack of infrared emission that would be expected from old stars, indicating that these small galaxies are very young, possibly only a few million years old. ... Publications with keywords: galaxies - early universe . Publications with words: galaxies - early universe . ...

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• HUDF Infrared: Dawn of the Galaxies
• The Hubble Extreme Deep Field
• A Flight through the Hubble Ultra Deep Field

... STScI-PRC01-04 HUBBLE'S ULTRAVIOLET VIEWS OF NEARBY GALAXIES YIELD CLUES TO EARLY UNIVERSE Astronomers are using these three NASA Hubble Space Telescope images to help tackle the question of why distant galaxies have such odd shapes, appearing markedly different from the typical elliptical and spiral galaxies seen in the nearby universe. ... Light from these galaxies travels great distances (billions of light-years) to reach Earth. ... These stars emit mostly ultraviolet light. ...

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• http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/0104c.html
• Arcetri Star-Formation Group Publications
• ESA Hubble Information Centre

... Tonight's Sky . ... Product Reviews . ... Astronomy for Kids . ... Tour the Deep Sky . ... Hubble's deepest view of universe unveils never-before-seen galaxies . The new deep view provides insights into how galaxies grew in their formative years early in the universe's history. ... The new deep view also provides insights into how galaxies grew in their formative years early in the universe's history. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

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• Hubble unveils a deep sea of small and faint early galaxies | Astronomy.com
• Hubble glimpses early galaxy formation | Astronomy.com
• As Earth was molten early during its formation, dense metals should have sunk

... 1) A Multiwavelength Study of Tadpole Galaxies in the Hubble Ultra Deep Field, Straughn, A., et al. (including S. Ravindranath), 2015, ApJ, 814, 97. 2) The Rate of Core Collapse Supernovae to Redshift 2.5 from CANDELS and CLASH Supernova Surveys, Strolger, L., et al. (including S. Ravindranath), 2015, ApJ, 813, 93. ... 18) "Resolved Galaxies in the Hubble Ultra Deep Field: Star Formation in Disks at High Redshift", Elmegreen, D.M., Elmegreen, B.G., Ravindranath, S., Coe, D.A., 2007, ApJ, 658, 763. ...

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• HST/ACS Ultra-Deep Field Clearinghouse
• GOODS: The Great Observatories Origins Deep Survey
• Swara's Research interests

Within the Hubble Ultra Deep Field there are approximately 10,000 discrete objects. ... Most of these objects are very small and likely have masses in the range of 10 5 to 10 7 solar masses. Note the mass of the Milky Way galaxy is 10 12 solar masses. ... Finally, for you cosmologists/experts out there this ultra deep field is quite consistent with what was seen in the original Hubble Deep Field 5) don't necessarily have small angular diameters. ...

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• Astronomy Plus CCD Images of Galaxies
• The Galaxy Gallery: Messier Objects
• Low Surface Brightness Galaxy Gallery

ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... ATCA | ... CSIRO Radio Astronomy Image Archive . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Australia Telescope National Facility Colloquium . ... Faint and distant galaxies observed in deep CCD images are primarily seen in . ...

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• HI in Early-Type Galaxies
• Evolutionary Paths in Galaxy Morphology

... Astrophysics Group . ... Galaxy Formation and Evolution . ... Gas heating and outflows driven by accreting supermassive black holes (quasar phase) may affect the evolution of star formation in their host galaxy. ... The starburst galaxy M82, which expels dust and metal enriched gas out of its disk . ... The interstellar medium (ISM) plays a central role in galaxy evolution, providing the fuel for star formation and also hosting the ?fossil record? of the galaxy formation history. ...

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• The history of star formation and mass assembly in early-type galaxies
• Galaxy Evolution: Regulation of the ISM and Star Formation
• Astrophysics Group Main Projects

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE HUBBLE DEEP FIELD . In December 1995, the Hubble Space Telescope, high above the Earth, focused on a tiny spot of dark sky for over 150 consecutive orbits. ... Here we see about a fourth of that "deep field" and it shows galaxies (and only galaxies) at many different distances. The farthest among these galaxies is estimated to be so far away, its light has taken over 10 billion years to reach us. ...

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• ASP: Astronomy Behind the Headlines
• ASP: Lagrangian Point or Bust!
• ASP: Astronomer-General of Early America

... Armagh Planetarium . ... Universe . ... Posted on October 1, 2010 | ... Before the modern era of technological astronomy, to know anything [ ] . Continue Reading.. ... 2 Comments In, say 1975, there was only one kind of ?stuff? in the Universe, matter made of protons and neutrons. ... Newer Entries . Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• NASA's Flying Saucers | Astronotes
• HST | Astronotes - Part 4
• Hartley 2: what has the Deep Impact flyby shown us? | Astronotes

... Science Users Information > Science Activities > Science in Garching > Research Area: COSMOLOGY AND THE EARLY UNIVERSE . ... Research Area: COSMOLOGY AND THE EARLY UNIVERSE . ... Reset view all 3 per page 5 per page 10 per page Sort by Title A-Z Title Z-A Date asc Date desc Research Topics Planets and Star Formation Stellar Structure and Evolution Stellar Populations Evolution of Galaxies and the ISM Cosmology and the Early Universe Scientific Positions Faculty Fellows Scientists Students . ...

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• ESO - Thesis Topic: Mapping the star-formation history of early-type galaxies
• ESO - ESO-Enews #25: December 2012
• ESO - Galaxy Clusters in the Early Universe

... V.V.Makarov, V.P.Reshetnikov, V.A.Yakovleva . Photometric study of the peculiar galaxy NGC 2685" . ... eds.), Tallinn, 1989, p.19 . ... Press, 1994, p.272-273 . ... A.A.Mullari, V.V.Orlov, St.Petersburg Univ. ... conference, St.Petersburg, 1997, p.168-169 . ... All-Russian Astronomical Conference, Book of Abstracts, . ... in "Astronomy: traditions, present, future", V.V.Orlov, V.P.Reshetnikov, N.Ya.Sotnikova (eds.), St.Petersburg University Press, 2007, p.92-115 (in Russian) . ...

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... 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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• The Evolution of Galaxies through the Neutral Hydrogen Window The Evolution of
• VIRGOHI 21
• Astronomy at AO

The very metal-poor local dwarf galaxies - the analogs of primordial galaxies in young Universe . ... The goal of this project is the study of the properties of the local eXtremely Metal-Deficient (XMD) dwarf galaxies. ... S.A. Pustilnik, J.-M. Martin . ... Pustilnik S.A. "Dark galaxies" and local very metal-poor gas-rich galaxies: possible interrelations, in: Dark Galaxies and Lost Baryons, Edited by J.Davies and M.Disney, Proceedings of IAU Symposium No. 244, held 25-30 June, 2007 in Cardiff, UK. ...

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• HyperLEDA documentation: parameter: pgc
• Old "Structure" publications
• "Structure" publications for 1997 year

... On one side we have gas-rich, star-forming spirals; on the other, passively-evolving, gas-poor, early-types. ... In this talk I will present results from a large survey of neutral hydrogen gas (HI) in early-type galaxies carried out as part of the Atlas3D project. ... I will discuss the role of environment in shaping these properties and present results on the misalignment between the angular momenta of stars and HI in these objects, as well as a comparison to hydrodynamical cosmological simulations...

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• Philip Lah's Research
• David Nicholls: CV and publications
• Dougal Mackey - Research

... 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
• Voir l'univers, la rГїvolution en images | Ciel et Espace

... 1994: . Deep CCD images of the bright gamma-ray bursts GRB790418 and GRB790613 localization regions were obtained for the first time. In both cases, a faint blue star-like object (V = 24.5 m , BV m ) was detected within the region of localization of gamma-ray bursts. ... Based on sixty daily instantaneous spectra of the object SS433, obtained on the RATAN-600 in April-May 1994, we traced its variability in four very powerful flares at five frequencies. ... Archive . ...

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• Metagalaxy sector, archive 2004
• A unique isolated dwarf spheroidal galaxy KKR25
• Metagalaxy sector, archive 2011

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

General Forum Message . Forums: . ... Deep Space Object Galaxy Near M13 . ... Can anyone tell me if there is a DSO (likely a galaxy) near M13? ... The reason it interests me is that I drew a sketch of M13 years and years ago while observing - and that object is one of the handful of 'stars' that I drew. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Summer Triangle - an Astronomy Net Article
• Need Help Locating Power Cord For Early 80's C8 - an Astronomy Net Celestron

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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• ChaMPlane
• The AstroStat Slog Blog Archive SINGS
• The AstroStat Slog Blog Archive space weather