... 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 Unit Telescopes Overview - This page is outdated, an update is in process.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 Secondary mirror (M2 Unit) - This page is outdated, an update is in process.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 Coating Unit - This page is outdated, an update is in process.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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... 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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... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Late Stages of Stellar Evolution . Welcome to the home page of the Late Stages of Stellar Evolution" We are a research group which operates within the Astrophysics Group of the Australia Telescope National Facility. ... To investigate the late stages of stellar evolution and in particular the role of stellar mass-loss in the evolution of asymptotic giant branch stars, proto-planetary nebulae and extremely massive stars. ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . Colin Johnston . ... Telescopes and Observatories . ... January . ... By admin February 20, 2013 Posted in: Armagh Planetarium . ... M42, the Great Nebula in Orion, imaged through Armagh Planetarium?s telescope in January 2013. ... Image credit: Colin Johnston/Armagh Planetarium) . ... M31, the Andromeda Galaxy, imaged with the new telescope in January 2013. ... Armagh Planetarium?s new telescope in action in January 2013. ...

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... 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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• Latest News
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... Space Telescope Science Institute and Johns Hopkins University . ... Formation and early evolution of planetary systems, including star formation, the properties and astrophysics of protoplanetary disks, debris disks and planetesimal collisions. ... Search for planets around white dwarfs; formation and potential habitability of planets around white dwarfs. ... Planetary atmospheres, including that of Titan, as an analog for the atmosphere of early earth prebiotic conditions, and possible life. ...

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Astronomy Picture of the Day . Star Party on Planet Earth . ... 4.04.2009 . ... Credit: Babak Tafreshi ( TWAN ) Explanation: As twilight sweeps around planet Earth tonight (April 4), many amateur astronomers will set up their telescopes for a 24-hour global star party. The planetwide star party is part of 100 Hours of Astronomy (100HA) , a project of the International Year of Astronomy 2009. ... April . April 2009 . ... Publications with keywords: telescope - IYA2009 . ...

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• XWare > APOD

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: Guest Observer
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... Uncovering the Chemistry of Earth-like Planets . ... An Earth-like planet, born from the same nebula as its host star, is composed primarily of silicate rocks and an iron-nickel metal core, and depleted in volatile content in a systematic manner. The more volatile (easier to vaporize or dissociate into gas form) an element is in an Earth-like planet, the more depleted the element is compared to its host star. ... Apr . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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... Supernova showered Earth with radioactive debris . ... The Real Reality Show: Would aliens be anything like us? ... Do other planets have meteor showers like Earth has? ... If so, can we learn anything about the planet's atmosphere by looking at the light as meteors burn? ... RELATED TOPICS: METEOR SHOWER . All planets in our solar system that have atmospheres also have meteor showers. ... Get instant access to subscriber content on Astronomy.com! ...

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spaceweb@oulu.fi - last update: 12 March 1999, 0935 UT (RR) . ... In first order the magnetic field created by this magnet is that of a dipole whose axis is tilted with respect to the spin axis by about 11 degrees. ... The difference between the dipole axis and geographic axis is one of the reasons why there are so many different coordinate systems needed to describe locations in space around the Earth. The area around the Earth governed by its magnetic field is called the magnetosphere . ...

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• Discovery of the Solar System
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... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

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... 2009 April 4 . Star Party on Planet Earth . ... Explanation: As twilight sweeps around planet Earth tonight (April 4), many amateur astronomers will set up their telescopes for a 24-hour global star party. The planetwide star party is part of 100 Hours of Astronomy (100HA) , a project of the International Year of Astronomy 2009. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . NASA Web Privacy Policy and Important Notices . A service of: ASD at NASA / GSFC . ...

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... STScI-PRC99-27 A CLOSER ENCOUNTER WITH MARS Taking advantage of Mars's closest approach to Earth in eight years, astronomers using NASA's Hubble Space Telescope have taken the space-based observatory's sharpest views yet of the Red Planet. ... In these views the north polar cap is tilted toward the Earth and is visible prominently at the top of each picture. ... Dark sand dunes that surround the polar cap merge into a large, dark region called Acidalia. ...

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Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Greening the Earth Using Space Resources? by Greg Matloff . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

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• GSAOI Latest Developments Page
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• Late 1950s

... 9a. Earth orbits Sun? . ... 10a. Scale of Solar Sys. ... If the mean distance of Earth from the Sun is 1 AU ("Astronomical Unit"), then that of Venus is 0.723 AU, of Mercury 0.387 AU and that of Mars is 1.524 AU. ... By noting (1) where on the Sun's disk is the crossing seen, (2) timing its duration at two far-apart points on Earth, and (3) comparing the times, one can calculate the distance to Venus and from it the scale of the solar system. ... One occurred in 1639--too early. ...

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• The Sun
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... Research . ... Contact . The Terra Hunting Experiment (Official website) . Project Share-site (members only) . ... Terra Hunting Experiment at the Isaac Newton Telescope . ... Please follow the links on this page to find out the latest information on the project. I am the Project Manager and Chief Systems Engineer on THE@INT, so please contact me if you would like any further information. ...

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• Astrophysics Group Highlights & News
• Astrophysics Group CLFST
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... SATELLITE: An object that revolves around a planet. ... SIDEREAL DAY: The length of a planet's rotation period relative to the stars. SOLAR SYSTEM: The sun and all the objects that are held in its gravitational field and move around it. ... SUPERIOR CONJUNCTION: The position of a planet when it is on the opposite side of the Sun from Earth (thus making in invisible). ... TRANSIT: The movement of an object between the Earth and the Sun and showing on the surface of the sun as a black dot. ...

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• Astronomical Glossary - G thru I
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... Astronomy search engine . ... PhysicsWeb Home Page . ... Sternberg Astronomical Institute . ... Astro Space Center Home Page . ... Landau Institute for Theoretical Physics . ... Astronomy and Space Physics Dept of Kiev University . ... NATIONAL RADIO ASTRONOMY OBSERVATORY Home Page . University of Hawaii - Institute for Astronomy . ... Space Telescope Science Institute Home Page . ... Sky & Telescope: The Essential Magazine of Astronomy . ... Springer LINK - Physics Online Library . ... Home . ...

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• Stellarium: /home/aw/devel/stellarium/trunk/plugins/Oculars/src/Telescope.hpp