... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

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• FETTU - Page 1
• Japanese Discover Large Earth Crossing Asteroid
• Spread of Life Through the Galaxy

... The Large Magellanic Cloud is a Dwarf Irregular galaxy in orbit around our own Milky Way. It is a large object, several degrees in size, and easily visible to the unaided eye in Southern Hemisphere skies. The LMC is located in the constellation of Doradus at about 5h30m Right Ascension, -68 degrees Declination, and lies at a distance of roughly 50 kiloparsecs (160,000 light years) from Earth. ...

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• New Results Confirm Dark Galaxy Existence
• Diffuse Galactic Light in the Large Magellanic Cloud
• Arecibo Radar Discovers Triple Near-Earth Asteroid

... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... The Dish Cluster, the Pencil Nebula, and spiral galaxy NGC 2655 . February 25 March 3, 2016: The Dish Cluster in Puppis offers small-telescope owners a nice view, while large-telescope owners can seek out the Pencil Nebula in Vela and spiral galaxy NGC 2655 in Camelopardalis. ... Large telescope: Spiral galaxy NGC 2655 . ...

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• Two double stars, spiral galaxy NGC 1792, and planetary nebula NGC 2022 |
• large magellanic cloud | Astronomy.com
• large (8 inches or larger) | Astronomy.com

... Planets . ... The planets were found using the HARPS instrument on the 3.6m telescope at ESOтАЩs La Silla Observatory. ... A planet in orbit around a star causes the star to regularly move towards and away from observers on Earth. ... One newly discovered planet, HD 85512 b, is best hope found so far for a habitable exoplanet. ... The HARPS team so far have found that about 40% of stars similar to own Sun have at least one planet smaller than Saturn (which is 95 times more massive than Earth). ...

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• Tarantula Nebula in stunning Hubble Image | Astronotes
• Six glorious spiral galaxies seen by the European Southern Observatory. |
• stellar nursery | Astronotes

... The Large Cloud of Magellan . ... About 160,000 light-years distant in the constellation Dorado, the Large Magellanic Cloud (LMC) is seen here in a remarkably deep, colorful, image . ... The prominent patch below center is 30 Doradus, also known as the magnificent Tarantula Nebula , is a giant star-forming region about 1,000 light-years across. ... Close Comet and Large Magellanic Cloud . ... Infrared Portrait of the Large Magellanic Cloud . The Seahorse of the Large Magellanic Cloud . ...

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• XWare > APOD
• Астронет > Neighboring Galaxy: The Large Magellanic Cloud
• Астронет > The Large Cloud of Magellan

... We sometimes use the word "nebula" to refer to galaxies, various types of star clusters and various kinds of interstellar dust/gas clouds. ... Early in this century, there was a great debate as to the nature of the nebulae like this one which at that time could not be resolved into individual stars. ... A typical galaxy is 100,000 light-years in diameter. ... M 42 shown) Reflection nebulae are clouds of dust which are simply reflecting the light of a nearby star or stars. ... M 1 shown) . ...

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• APOD: 2000 December 8 - Abell 1795: A Galaxy Cluster s Cooling Flow
• APOD: 2001 August 4 - Neighboring Galaxy: The Large Magellanic Cloud
• APOD: 2008 December 19 - The Large Cloud of Magellan

... NASA's Hubble Space Telescope Establishes Accurate New Distance Measurement To Neighboring Galaxy, PR-1991-03 . ... Hubble Space Telescope Begins To Provide Accurate Distances to Galaxies , PR-1992-20 . ... Hubble's Deepest View Ever of the Universe Unveils Earliest Galaxies , PR-2004-07 . ... Spitzer and Hubble Team Up to Find "Big Baby" Galaxies in the Newborn Universe , PR-2005-28 . Hubble and Spitzer Space Telescopes Find "Lego-Block" Galaxies in Early Universe, PR-2007-31 . ...

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• Spitzer Sage Survey of the Large Magellanic Cloud. III. Star Formation and
• HST this week: 363
• Simulation of a Distant Cluster of Normal Galaxies

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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• Radiation Dominance in the Early Universe
• Formation of the Earth
• Low Surface Brightness Galaxy Gallery

PhD Thesis (PDF) . ... The evolution of stars and gas in galaxies. Observing the atomic neutral hydrogen (HI) 21 cm emission and radio continuum emission of galaxies. ... The goal of research is to quantify the neutral atomic hydrogen (HI) gas content galaxies as they evolve with time. ... Neutral atomic hydrogen gas produces a radio signal that can be used to directly measure the amount of gas present. ... USyd Summer Research Scholarship Report (PDF) . ... Research Topic Write Up (PDF) . ...

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• Dougal Mackey - Research
• Julie Banfield | Astronomer
• Comparison of simulations with the large scale radio galaxy M87.

... 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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• ESO - The European ELT
• ESOтАЩs Very Large Telescope (VLT) Array Now in Google Earth | ESO United...
• ESOтАЩs Very Large Telescope (VLT) Array Now in Google Earth | ESO

... STScI-PRC00-08 HUBBLE OPENS ITS EYE ON THE UNIVERSE AND CAPTURES A COSMIC MAGNIFYING GLASS Scanning the heavens for the first time since the successful December 1999 servicing mission, NASA's Hubble Space Telescope has imaged a giant, cosmic magnifying glass, a massive cluster of galaxies called Abell 2218. ... The cluster is so massive that its enormous gravitational field deflects light rays passing through it, much as an optical lens bends light to form an image. ... Blue pinpoints hot young...

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• Hubble Provides Multiple Views of How to Feed a Black Hole (PRC98-14)
• APOD: February 3, 1998 - A Magellanic Mural
• Thought-Provoking Imagery Shows Sun's Place in the Galaxy

... We still have a long distance to cover before we leave the Milky Way Galaxy -- tens of thousands of lightyears, as a matter of fact -- so let's stop by some interesting objects on the way. ... But we have reached the edge of the Milky Way Galaxy. ... We don't know, but we do know that there are countless voyages left to take. To continue the virtual voyage beyond our galaxy, go to Kent Cheatham's "A Walk in the Stars" at http://www.ionet.net/~cheatham/astro/astrotour.shtml . ...

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• ASP: Sharing the Universe
• ASP: Globular Clusters and Satellite Galaxies: Companions to the Milky Way
• ASP: Big Clusters, Tiny Galaxies

... 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: Misconceptions

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...

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• http://www.aaa.org/s932/images/09fallclass5.pdf

Map projected image of Earth (AVHRR) 123k gif ; 1440k gif . Famous Apollo 11 image of Africa Europe 31k jpg . global composite of satellite images 508k gif . ... Galileo image of South America from 1st flyby 62k jpg . ... Earth by Meteosat 4 satellite (IR filter) 688k jpg . ... Ross ice sheet, Antarctica, taken by Galileo on its first pass of Earth 11k jpg . ... NOAA satellite's view of USA 322k gif . ... images of Earth from Clementine html . Earth images from weather satellites html . ...

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• Solar System Extrema
• The Origin of the Solar System
• Earth [Oulu]

... IC1805 . IC1805 - The "Heart" Nebula . ... The largest and very diffuse part of this image, IC1805, contains large and bright star cluster Melotte 15 at its center. ... This image is a tricolor narrowband image, taken with Ha, OIII, and SII filters. ... Ha: 12.5 hours of 30 minute subs . OIII: 9 hours of 30 minute subs . SII: 10.5 hours of 30 minute subs ...totalling 32 hours . ... Image registration . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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• Amateur Telescope Makers of Boston ATMoB Observing Awards Program

The Galaxy Environment of QSOs in Large Quasar Groups C.P. Haines et al. ... We are investigating the galaxy environment of the Clowes & Campusano (MNRAS 249, 218 [1991]) LQG of 18 QSOs at z ' 1:3, by combining ultra-deep optical images (to V ' 27; I ' 26) of a 30 0  30 0 eld containing 3 of the LQG quasaars with NIR imag- ing (K ' 20) of selected sub elds to obtain photometric redshift estimates for each galaxy from their V IK colours. ... L.E. Campusano/Universidad de Chile, Chile 1 ...

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• Astrophysics Group AMI Science
• Martin Krause - Large Scale Very Light Jet Simulation
• The history of star formation and mass assembly in early-type galaxies Bojan

... 2011: . Detection of galaxies with large peculiar velocities . ... New galaxies with polar rings . ... The new catalog contains 275 galaxies. ... Radio galaxy RC J0311+0507, a unique object of the early Universe . ... The estimation of the stellar population age in the host galaxy via the multicolor photometry (BTA) and new infrared data (UKIRT, 2011), amounting to 0.8 Gyr results in the moment of its formation when the universe was about 0.5 milliard years old (z~10). ... Archive . ...

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• RCJ0311+0507
• Measurement of the dark halo shape in polar ring galaxies
• topic_en

... Astronomy news . ... Double Engine Fuels Star's Remarkable Nebula . ESO has just released a stunning new image of a field of stars towards the constellation of Carina (the Keel). ... Interactions in this double system, surrounded by a dusty disc, may be the engine fuelling the star s remarkable nebula. The new image, showing a very rich field of stars towards the Carina arm of the Milky Way, is centred on the star HD 87643, a member of the exotic class of B[e] stars [1]. ...

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• Astronomy news
• This year's largest group of sunspots passes across the solar disk
• TESIS has recorded new sizeable mass ejections from the Sun's atmosphere

... Cosmology and High Energy Astrophysics (Zeldovich-90) | ... 11:2|00:35 |C.Martin |Galaxy Evolution Explorer (GALEX) | ... 11:5|00:20 |Coffee | ... polarization microwave background observations | ... 16:2|00:25 |R.Kneissl |Searching for SZ clusters | ... 17:0|00:35 |A.Vikhlinin |Baryon content of galaxy clusters and cosmology| ... CLUSTERS OF GALAXIES | ... 13:0|00:2|F.Durret |Clusters of galaxies seen in X-rays: war and | ... Clusters/Groups/Galaxies | ... black holesOptical observations of | ...

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• Spectrum-Roentgen-Gamma - The astrophysical Project at IKI RAN
• Second Spectrum-RG/eROSITA Conference
• z90-program