In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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• The Galaxy Gallery: Messier Objects
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• Galaxy Gallery Page III

The following images of the icy surface of Ganymede, the Solar System's largest moon, were made by the Galileo spacecraft during its ongoing mission to explore Jupiter and the Jovian system. ... This image was taken when Galileo was 7,448 kilometers (4,628 miles) away from Ganymede; north is to the top of the picture, and sunlight illuminates the surface from the lower left nearly overhead (77 degrees above the horizon). ... The image was taken June 27 at a range of 7,448 kilometers (4,628 miles). ...

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• GALILEO READY FOR CLOSE FLYBY OF JUPITER'S BIGGEST MOON
• APOD: July 12, 1996 - Ancient Cratered Plains on Ganymede
• APOD: 2012 May 16 - Star Formation in the Tarantula Nebula

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

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• Ultra-compact dwarf galaxies
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... Dark Craters on Ganymede . ... Credit: Galileo Project , JPL , NASA Explanation: Ganymede has craters within craters within craters . ... The strange dark floors of these craters were themselves created long ago and now house craters of their own. ... The robot spacecraft Galileo took the above photograph during a flyby of this moon of Jupiter in June 1996. ... 1995 1996 . ... Publications with keywords: Jupiter - Ganymede - crater . Publications with words: Jupiter - Ganymede - crater . ...

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• XWare > APOD
• Астронет > Dark Craters on Ganymede

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Stars . ... Space Flight . ... This image of the Tarantula Nebula comprises one of the largest mosaics ever assembled from Hubble photos and includes observations taken by HubbleтАЩs Wide Field Camera 3 and Advanced Camera for Surveys, combined with observations from the European Southern ObservatoryтАЩs MPG/ESO 2.2-metre telescope which trace the location of glowing hydrogen and oxygen. ... Subscribe to Astronotes . ...

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• ALMA Antennae sees Antennae Galaxies | Astronotes
• Kepler-11: a strange and crowded planetary system | Astronotes
• Six glorious spiral galaxies seen by the European Southern Observatory. |

... The expansion is measured as a number called the Hubble Constant . ... Our value is about 20% lower than the one got with the Hubble Space Telescope in 1994," said Dr Jim Lovell, leader of the team that made the measurement. The Hubble Constant is named after American astronomer Edwin Hubble, who in the 1920s found that other galaxies were moving away from ours. ... The Hubble Constant links the galaxy's distance with its speed." ... A short run-down on the Hubble Constant: . ...

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• ATNF Media Releases (1997)
• The Peculiar Spiral Galaxy NGC 1808
• The HIPASS Bright Galaxy Survey

... 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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• KDG's Press Releases
• Superluminal Motion in the M87 Jet
• Best of Hubble: Large Images

Structure Formation : Bright side of the Universe Anatoly Klypin New Mexico State University Also: Stefan Gottloeber (Astrophysikalisches Institut Potsdam) Gustavo Yepes (UAM, Madrid) Cosmological ... -body+hydro simulations Codes: SPH + TREE AMR + shock capturing hydro Physical processes: Compton cooling/heating on CMB Radiative gas cooling Star formation with simple approximations Metal enrichment Energy/momentum feedback from young stars and SN Galaxies too concentrated. ...

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• GRB follow-up team
• LSFVO: Press releases

... STScI-PRC94-39B FOR RELEASE:JULY 24, 1995 HUBBLE SPACE TELESCOPE DEEP-SKY SURVEY FINDS HUGE NUMBERS OF IRREGULAR AND PECULIAR GALAXIES This is a NASA Hubble Space Telescope image of a variety of galaxies with irregular and peculiar shapes. ... This image is part of a serendipitous sky survey which has been conducted over the past three years by Professor Richard Griffiths and colleagues at the Johns Hopkins University, Baltimore, MD, with a team of astronomers in the United States and Britain. ...

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• Galileo to Jupiter
• Titan Press Release
• Saturn's Moon Titan

... Galileo Probe . The Galileo spacecraft was designed to study Jupiter's atmosphere, satellites, and surrounding magnetosphere for two years. ... From there, Galileo will spend more than five years traveling to Jupiter, where it will become the first spacecraft to make direct measurements from an instrumented probe within Jupiter's atmosphere. ... This image, taken by the Hubble Space Telescope, shows the predicted site at which the Galileo Probe will enter Jupiter's atmosphere on December 7, 1995. ...

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• Titan Press Release
• Jupiter's Moon Ganymede
• Jupiter Moon Callisto

PRESS-RELEASE . ... The mission control and the monitoring of the spacecraft systems status during rendezvous and docking were provided by the Lead Operations Control Team (LOCT), consisting of specialists from S.P.Korolev RSC Energia, Mission Control Center near Moscow, and other organizations in the industry (the Technical Manager is RSC Energia President and General Designer V.A.Lopota, the Flight Director is the First Deputy General Designer of RSC Energia V.A.Soloviev). ...

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• OFFICIAL PRESS RELEASE - S.P. KOROLEV ROCKET & SPACE CORPORATION ENERGIA

The Extragalactic ALFA Zone of Avoidance team is mapping the distribution of low-Galactic-latitude galaxies and large scale structures through detection of galaxies' 21-cm emission with ALFA. This Zone of Avoidance (ZOA) survey finds new HI galaxies which lie hidden behind the Milky Way, and also provides redshifts and other HI parameters for partially-obscured galaxies known at other wavelengths. ... Discovery and Follow-up of a Nearby Galaxy from the Arecibo Zone of Avoidance Survey. ...

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• water ice on mercury
• Methanol Masers - Press Release
• Press Release for the 193rd Meeting of the AAS, January, 1999

... Assignments 4, 5 and 6 all involve the imaginary world of Ziggy. ... Each week, you should write a short executive briefing to Captain Howard, explaining to her what you have learned from that week's data. ... A 500 word limit applies to each briefing you submit. You will submit three briefing papers (due dates below): one for each data release. ... First briefing due (Assignment 4). 2nd data set released. ... Second briefing due (Assignment 5). 3rd and final data set released. ...

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• Comparison of simulations with the large scale radio galaxy M87.
• IAU Commission #34 (Interstellar Matter)
• GSAOI Bulk Motions Science Page

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... This shows the Sun, Moon and Earth (not to scale) together with the . ... They have tested the technique on the Earthshine, the light reflected from the Earth by the Moon, and showed that it can reveal the presence of life in our planet. ... This technique uses the fact that the light reflected from the planet is polarised, whereas that emitted by the star is not. ... Polarised light can tell us about the reflecting surface...

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• Featured Image | International Year of Astronomy in Ireland | Astronomy 2009
• ESO and the EELT: Tue 15 December, DCU, Dublin | International Year of
• Strong Gravity in the Vicinity of Supermassive Black Holes - by Eamon Scullion,

... Young super-Jupiter found wandering without a parent . ... solar system . ... Observe the Solar System . ... Rotating sunspots spin up a super solar flare . ... The largest solar flare recorded in nearly 5 years was triggered by interactions between five rotating sunspots. ... Similarly, rotating sunspots store energy in the Sunт??s atmospheric magnetic field. If they twist too much, the magnetic field breaks, releasing energy in a flash of light and heat that makes up the solar flare.т?? ...

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• Press Releases | Astronomy.com
• A hidden treasure in the Large Magellanic Cloud | Astronomy.com
• Titan's volcanoes give NASA spacecraft chilly reception | Astronomy.com

Next: Observations and data reduction Up: HS 0822+3542 - a Previous: HS 0822+3542 - a . ... I Zw 18, a BCG with the lowest known oxygen abundance among the galaxies (O/H 1/50 (O/H) , Searle & Sargent [ 1972 ]; Izotov & Thuan [ 1999 ]), has been suggested as a candidate to be a truly-local young galaxy, experiencing its first short SF episode. ... 1998 ]). ... In this paper we describe the data obtained for the third most metal-deficient galaxy, HS 0822+3542 with O/H = 1/36 (O/H) . ... 0822+3542 1 . ...

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• The Sloan Digital Sky Survey Quasar Catalog. I. Early Data Release
• Classification criteria
• WISE All-Sky Release Catalog

... 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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• Metagalaxy sector, archive 2011
• Galaxy sector, archive 1994
• Solar activity

Welcome to the 10C Survey website! ... The first 10C Survey results from an area of 27 sq. degrees complete to 1 mJy and 12 sq. degrees complete to 0.5 mJy have now been released. ... The first results from the survey, which is the deepest extragalactic radio source survey of any significant extent (> 0.2 sq. degrees) above 1.4 GHz, including the deep 15.7-GHz source count are contained in AMI Consortium: Davies et al. ... For each field, deep and shallow areas have been defined. ...

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• Astrophysics Group 10C
• Astrophysics Group AMI-Planck
• Emily Curtis

Ganymede is the largest moon in our solar system, larger even than the planets Pluto and Mercury. ... Ganymede's surface consists of two main types of terrain: old, dark polygonal units, and young, bright valleys and ridges (see figure 11 ). ... In a similar way, hitting a large block of ice with a hammer makes white marks. ... Ganymede as seen by Voyager 2. ... Because Voyager couldn't spot any large impact craters, scientists have concluded that the moon's surface is young. ... Moon . ... Europa . ...

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• ASP: Astronomy Behind the Headlines
• ASP: Beacons in the Gloom
• ASP: The Comet About to Smash into Jupiter

Four spacecraft: INTERBALL Tail probe (IB_TAIL), Auroral probe (IB_AUR), POLAR(NASA/ISAS), GEOTAIL (NASA) are considered. ... Orbital ASCII files | ... four spacecraft . ... INTERBALL . Tail Probe . ... ASCII files . ... Auroral probe . ... NASA) . ... NASA, ISAS) . ... The four spacecraft . ... INTERBALL mission | ...

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• Campaign 2, December 1997 (continue)
• Campaign 2, December 1999 (continue)
• Campaign 2, December 1999