... Planetary Nebula NGC 7027 in Infrared . ... NGC 7027 is one of the smallest known planetary nebulae. Even so, NGC 7027 is 14,000 times larger than the Earth-Sun distance. ... A Baby Galaxy . ... Starbirth in NGC 1808 . ... The center of galaxy NGC 1808 is bursting with new stars, but why? Being a barred spiral galaxy makes NGC 1808 somewhat similar to our own Milky Way Galaxy. But the disk of NGC 1808 (inset) is quite warped, and its center is unusually bright and blue. ...

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... 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 Unit Telescopes Overview - This page is outdated, an update is in process.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 Secondary mirror (M2 Unit) - This page is outdated, an update is in process.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 Coating Unit - This page is outdated, an update is in process.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

... 2002 October 9 . Quaoar: Large Asteroid in the Outer Solar System . ... Explanation: Asteroids almost as large as planets are still being discovered in our own Solar System . Recently an asteroid more than half the size of Pluto was found orbiting at a distance only a little further than the Solar System's most distant planet . ... Quaoar, the name suggested for the space rock by its discoverers, is one of several large asteroids discovered recently that roam in the distant Kuiper Belt . ...

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• APOD: 2015 October 27 - Bright from the Heart Nebula
• APOD: 2003 October 27 - Large Sunspot Groups 10484 and 10486
• APOD: October 20, 1998 - Infrared Uranus

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

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... 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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• First Galfa H I Map
• What is HISA?
• The Tarantula Nebula

U mbriel ("UM bree el") is the thirteenth of Uranus 's known satellites and the third largest: orbit : 265,980 km from Uranus diameter : 1170 km mass : 1.27e21 kg U mbriel is a character in Alexander Pope 's The Rape of the Lock . ... All of Uranus' large moons are a mixture of about 40-50% water ice with the rest rock, a somewhat larger fraction of rock than Saturn 's large moons such as Rhea . ... It has far more and larger craters than do Ariel and Titania . ... Uranus .. Ariel .. ...

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• Kuiper-Oort
• Ariel
• Oberon

Titan . ... Hubble Space Telescope Images of Titan's surface . ... Later that year, it will release the European-built Huygens probe for a descent through Titan's atmosphere. ... This artist's rendering shows the European Space Agency's Huygens probe descending into the atmosphere of Saturn's moon Titan after being released by NASA's Cassini spacecraft. ... This artist's rendering shows the Huygens probe on the surface of Saturn's moon Titan after being released by NASA's Cassini spacecraft. ...

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• A collection of images
• Jupiter Moon Callisto
• Jupiter's Moon Ganymede

... A team of Japanese scientists including Armagh astronomer Dr David Asher have announced the discovery of the second largest known Earth-crossing asteroid. The group is based at the new Japanese Spaceguard Centre at Bisei, west of Osaka. ... The subsequent tracking and orbit determination was assisted by Armagh asteroid expert David Asher, who is currently visiting Japan to help in the setting up of the new Spaceguard Centre funded by the Japanese government. ...

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• Armagh Observatory
• May 2002 Planetary Alignment
• Southern African Large Telescope (SALT)

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... According to Ron Miller, author of the respected history of spaceship concepts The Dream Machines , the first known appearance of the tale in print was in the 2 October Тљ1909 issue of Scientific American where the hero was named т??Wang Tuт?? ... Naming a crater after Wan Hu т??the legendary Chinese inventorт?? was proposed shortly after the Soviet probe Zond 3 flew past the Moon in July 1965 returning images of the Moon?s western farside. ...

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• october night sky wonders | Astronotes
• Our Galaxy | Astronotes - Part 3
• Kepler-11: a strange and crowded planetary system | Astronotes

... Scientists pin down the distance to the Large Magellanic Cloud . ... A long series of observations of these objects has now led to the most accurate determination so far of the distance to the Large Magellanic Cloud т?? a crucial step in the determination of distances across the universe. ... After nearly a decade of careful observations, an international team of astronomers has measured the distance to our neighboring galaxy, the Large Magellanic Cloud (LMC), more accurately than ever before. ...

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• The Large Magellanic Cloud, open cluster NGC 1664, and reflection nebula NGC
• large magellanic cloud | Astronomy.com
• A hidden treasure in the Large Magellanic Cloud | Astronomy.com

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: Monster Comet Promises Big Show
• ASP: A Good Definition of the Word "Planet": Mission Impossible?
• ASP: Taking a Grand Virtual Voyage in the Milky Way

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

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• Large Magellenic Cloud (7)
• Large Magellenic Cloud
• GSAOI Magellanic Cloud Planetary Nebulae Science Page

... Telescopes . ... The International Conference "Dark Ages and White Nights (Spectroscopy of the CMB)" (June 20-24, 2016) . ... The International Conference "Stars: from collapse to collapse" (October 3-7, 2016) . The traditional annual competition conference of scientific and scientific-engineering papers of the Observatory staff members . ... A session of the Dissertation Council (October 16, 2015) . ... International scientific conference "Large Optical Telescopes" (October, 10-13, 2011) . ...

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Supernova 1987A in LMC . One day in 1987, an astronomer by the name of Ian Shelton was making observations of the Tarantula Nebula in Large Magellanic cloud at Las Campanas Observatory, and he noticed something strange on his image. ... SN 1987A got as bright as 2.7, the only other recent SN even to come close was 1885A in M31 which got up to mag 6. ... Mag 4.5 . ... IAUC 4318 2/25/87 Type II? ... IAUC 7354 2/1/00 New structure in the inner ring . ... IAUC 7360 2/7/00 HST observation of new spot . ...

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• Supernova 2009js in NGC 918
• Supernova 2000dk in NGC 382
• Supernova 2006mq in ESO 494-G26

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, October 1999 (continue)
• Campaign 2, October 1998 (continue)
• Campaign 2, October 1998

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The parameters of a new Australia Telescope Compact Array (ATCA) mosaic of the Large Magellanic Cloud (LMC) in the 21-cm line of neutral hydrogen are described. ...

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• Radio to H Comparison of the Sources towards the Large Magellanic Cloud
• Multi-Wavelength View of the Interstellar Medium in the Large Magellanic Cloud
• Large Scale Structure of Orion

... NGC 1530 is one of the largest barred spiral galaxies in the northern sky, with bright CO emission. ... To trace molecular gas, we observed the line, with the IRAM Interferometer. ... Properties of NGC 1530 and observational results . ... Then in a frame rotating with the potential, the periodic orbits are ellipses either parallel to the bar ( ) or perpendicular ( ), depending on the radius of the orbit. ... We observed the molecular gas in the bar of NGC 1530, a barred SBb spiral in the line. ...

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• Scaling relations for molecular gas in the Large Magellanic Cloud
• Astrophysics Group Research and Instrumentation
• PPT Slide

You Can Make Stellar Images Brighter . Articles | ... A few months ago I wrote an article titled "You Can’t Make Them Brighter". So why am I now writing that you can make them brighter. ... The image of a focused star is actually a small disk called the Airy disk, named after the 19 th century scientist Sir George Airy. ... For a given aperture, a smaller Airy disk means that the light is focused to a smaller disk and is therefore brighter. ... www.astronomy.net . About Astronomy Net | ...

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• Astronomy Terms - To Help You Study The Universe - an Astronomy Net Article
• Astronomy articles, forums, listings, and other resources about Astronomy.
• You Can't Make Stellar Images Brighter - an Astronomy Net Article

... 2 April 1999 . The Nobeyama Radioheliograph data show that in the microwave range, besides large-scale trans-equatorial chains (see, e.g., the May 11-15, 1993 and November 1-4, 1993 events), there are also many examples displaying large and strongly evolving "longitudinal" or "internal" chains connecting remote active regions inside an active zone in one (northern or southern) hemisphere (the August 20-September 3, 1998 event). ... Last update: 2 April 1999 . ...

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• Large_Scale Emitting Chains
• Chains and CMEs
• Oct-Nov 2003

... October 6, 09:00 09:40 . Jorge Melnick (ESO) . ... We present a statistical and temporal analysis of the ground meteorological properties recorded at the five selected sites for hosting the European Extremely Large Telescope (EELT). ... Marc Sarazin (ESO) . The organization and development of the E-ELT site testing campaign by ESO are described. ... The E-ELT Site Testing activities in northern Chile and Argentina are reviewed, and pioneering explorative campaigns are illustrated. ...

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• General information
• Observatories
• The site testing programs in Antarctica and in Arctic