... 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 Unit Telescopes Overview - This page is outdated, an update is in process.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 Secondary mirror (M2 Unit) - This page is outdated, an update is in process.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 Coating Unit - This page is outdated, an update is in process.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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Astronomy Picture of the Day . ... Credit Copyright: G ran Strand Explanation: Illuminated by an eerie greenish light, this remarkable little planet is covered with ice and snow and ringed by tall pine trees. Of course , this little planet is actually planet Earth, and the surrounding stars are above the horizon near stersund, Sweden. The pale greenish illumination is from a curtain of shimmering Aurora Borealis also known as the Northern Lights. ... Publications with keywords: aurora . ...

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• APOD: 2006 October 1- Earth at Night
• Астронет > APOD: 2006 October 1- Earth at Night
• From the Northern to the Southern Cross

... MNRAS, 327, 46-54 (2001). ... MNRAS, 326, 805-820 (2001). ... 139-140 (2001). ... MNRAS, 326, 358-374 (2001). ... FREIRE, P.C., CAMILO, F., LORIMER, D.R., LYNE, A.G., MANCHESTER, R.N. & D'AMICO, N. "Timing the millisecond pulsars in 47 Tucanae". MNRAS, 326, 901-915 (2001). ... TAKAHASHI, M., SHIBATA, S., TORII, K., SAITO, Y., KAWAI, N., HIRAYAMA, M., DOTANI, T., GUNJI, S., SAKURAI, H., STAIRS, I. & MANCHESTER, R.N. "Pulsed X-ray emission from the fastest millisecond pulsar PSR B1937+21 with ASCA". ...

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• Time_assisgnment_information
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Supernova 2009js in NGC 918 . This page is devoted to information on Supernova 2009js in NGC 918 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. Discovered independently by Lick Observatory Supernova Search (USA) and Koichi Itagaki (Japan). ... 2009/10/11.44 . 17.2 . ... Joseph Brimacombe . ...

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... 2009 October 29 . Zodiacal Light Over Laguna Verde . ... Once considered a false dawn , this triangle of light is actually Zodiacal Light , light reflected from interplanetary dust particles . ... The band of our Milky Way Galaxy on the left mirrors the zodiacal band. ... Zodiacal light is so bright in the north this time of year because the dust band is oriented nearly vertical at sunrise, so that the thick air near the horizon does not block out relatively bright reflecting dust . ...

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• APOD: 2004 October 18 - Southern Saturn from Cassini
• APOD Index - Galaxies: Local Group
• APOD: 2012 January 28 - Planet Aurora Borealis

SPACE TELESCOPE SCIENCE INSTITUTE Summary: 17 August - 9 October 1995 TIPS: 12 October 1995 FOS Keyes Instrument : Nominal operation; three reports of noisy diodes; one valid Acquisition: 27 successful; 1 failure; 1 affected by GS Acq problem Science : 22 GO/GTO programs; 1 lost due to ACQ/BIN failure Calibration: 3 programs (Cycle 5 darks, YBASEs, and wavelengths) Publications ...

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• Zeta$^2$ Coronae Borealis, A Spectroscopic Triple System Including an
• Swara's Publications
• Marshall Perrin's Research

... Robert L. Stewart (Brigadier General, USA, Ret.) ... SPECIAL HONORS: Awarded Army Distinguished Service Medal , Defense Superior Service Medal , 2 Legion of Merit, 4 Distinguished Flying Crossed, a Bronze Star, a Meritorious Service Medal , 33 Air Medals, the Army Commendation Medal with Oak Leaf Cluster and V Device, 2 Purple Hearts, the National Defense Service Medal , the Armed Forces Expeditionary Recipient of NASA Space Flight Medal (1984 & 1985). ...

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• Astronaut Bio: Michael Collins
• Astronaut Bio: William Anders
• Astronaut Bio: Charles Duke 05/94

... IR-Light Emitters & Detectors . Russian High Technologies . ... Infrared detectors and light emitters are key components that are used for applications including radiometry, guidance, gas analysis, medicine etc. ... Devices are operating in spectral range of 1.0-5.0 um and have high efficiency. ... Light Emitters . ... Spectral response of PRX 27.. ... Applications . ... Among the features there are high speed response, high efficiency, wide temperature range. ... IR-Light Emitters and Detectors | ...

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• Hamamatsu Products

The Armagh Planetarium together with other public bodies in Northern Ireland joined with organizations throughout the world by switching off its lights on the evening of Saturday 28th March in recognition of Earth Hour 2009. ... Earth Hour originated in Sydney, Australia, and highlights the damage to the natural environment caused by wasteful use of energy, especially the unnecessary outdoor lighting that leads to light pollution. ... Last Revised: 2009 March 30th . ...

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... As an obligatory preparing for the application a short report of National Olympiad of the current year has to be presented by the applicating team (see the necessary actual points of the report, its form and examples in the Supplementary Instructions N 10 ). ... For the countries, starting their activity at the International Astronomy Olympiad (see the Supplementary Instructions N 3 ), the requirements for the short report are not strong. ... The (age) groups are defined by rules 4.5.2-4., i.e.: . ...

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• XIV International Astronomy Olympiad: Information before the Olympiad
• XV International Astronomy Olympiad
• XIX International Astronomy Olympiad, information before Olympiad

... The eleven years cycle of Sun's activity is approaching its maximum! From August 24th to 29th a team of astronomers, engineers and astro-photographers will travel to southern Greenland to observe the Northern Lights (Aurora Borealis), a phenomenon expected to be particularly spectacular during this period. ... Auroras . The wonderful celestial spectacle of the aurora occurs when very energetic particles from the Sun reach the Earth's atmosphere via the solar wind. ... About GLORIA . ...

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• Memorandum
• SciNewsExt archive
• The Present and Future of Small and Medium Size Telescopes

home education > activities . SEARCH ASP SITE: Match ALL words Match ANY word . ... Activities . ... Astronomy . ... Activities on the . ... This is more about space technology than astronomy, but in this interactive module, students simulate what the astronauts go through when they go up to service the Hubble Space Telescope. ... Younger students are shown a drawing that can be interpreted in two ways and then apply what they learn to planetary images. ... table of contents . ...

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• ASP: Guest Observer
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Main Sections LabIR main page . Instrument page . Documentation . ... Special Sections Software Page . ... Tirgo Page . ... The activities of the group started at the end of 70's with the building of FIRT: the photometer of the National Infrared Telescope ( TIRGO ). ... FIRT: the photometer of the National Infrared Telescope ( TIRGO ). ... NICS , the NIR camera/spectrometer for the Telescopio Nazionale Galileo . ... Please select the LabIR Main Page or an item in the left menu. ...

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• APOD: 2000 October 23 - Dwarf Elliptical Galaxy NGC 205 in the Local Group
• APOD: 2000 October 16 - Dust and Gas Surrounding Star R Coronae Australis
• CHIANTI: A Database for Astrophysical Emission Line Spectroscopy

Blackholes2 Forum Message . Forums: . ... As I Understand Virtual Paticles . ... Posted by Duane Eddy on October 19, 2004 03:40:44 UTC . ... Firtual particles are not only particle pairs - yanniru - October 19, 2004 - 12:03 UTC . Faster then light travel? - duordi - October 19, 2004 - 20:53 UTC . ... 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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• David Chandler Company, AstroGuide Listing
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• Faster Then Light Travel? - an Astronomy Net Blackholes2 Forum Message

... Now we're getting ready for the Australian SKA Pathfinder ( ASKAP ) and the Square Kilometre Array ( SKA ) itself. I co-lead the Galactic ASKAP survey, GASKAP, and the Polarisation survey, POSSUM. I have roles in SKA science planning, including membership on two SKA Science working groups (HI and The Galaxy), the SKA Science and Engineering Advisory Committee, Australia New Zealand SKA Coordination Committee (ANZSCC) and ANZSCC's Science Advisory Committee. ... Read More . ...

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• Gemini NIFS October 2001 Update
• Dougal Mackey - CV
• GSAOI Latest Developments Page

... Natalya V. Raguzova and Sergei B. Popov . ... We present a compilative catalogue of Be/X-ray binaries and candidates in the Galaxy and in the Large and Small Magellanic Clouds. This catalogue contains 160 sources and provides information on names and spectral types of optical components, distances, on spin characteristics of neutron stars, and on orbital and X-ray properties of binary systems. ... Be/X-Ray Binaries and candidates in the Galaxy . Galactic sources: comments to the Table 1 . ...

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• Cosmion-99
• My publications

... MAO main . Info . e-EPS | Facts and Info from the European Physical Society | October 2015 . ... On 9 October 2015 the German Physical Society [DPG] organized a meeting between National Node representatives of the International Year of Light and Light-based Technologies 2015 [IYL 2015] at the Magnus Haus in Berlin, Germany. ... Nominations are now open for the Edison Volta Prize of the European Physical Society [EPS]. ... Published by the European Physical Society . ... MAO NASU . ...

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• Publications
• MAO NASU :: Topic: IAU Astronomy Outreach Newsletter 2015 #12 (1/1)

... Before the modern era of technological astronomy, to know anything about the Universe beyond our planet we relied on light. ... Historically the two rival ideas were that light was either a stream of tiny bullet-like particles or a wave wobbling its way through space. ... The light we see (visible light which is not the tautology it sounds) is only part of the electromagnetic spectrum, a great sweep of radiations which also includes radio, infra-red, ultra-violet, x-rays and gamma rays. ...

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• Viewing the Partial Solar Eclipse of 20 March 2014 | Astronotes
• - Part 29
• Universe | Astronotes - Part 3

... Tiny Tim has been used for generating Hubble Space Telescope ( HST ) point-spread functions (PSFs) for deconvolution, algorithm testing, proposal planning, and optical studies. ... Tiny Tim is a stand-alone program for simulating HST PSFs as viewed with the on-board imaging cameras (WF/PC-1, WFPC2, FOC, COSTAR/FOC). ... The measured aberrations for FOC f/96, WF/PC-1 PC6, WFPC2, and COSTAR/FOC are used by Tiny Tim . ... Figure: FOC f/96 observed and Tiny Tim model PSFs (pre-COSTAR) at 253 nm. ...

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• Modeling Scattered Light in the HST Faint Object Spectrograph
• ADASS Conference Series
• ADASS Paper Policies

... A wonderful site where the debate about the nature of light sits. ... Shadow and Light science activities - A short list of activities for students about light and shadow designed by an undergraduate Education major in New Foundland. ... Projecting Shadows - Fantastic interactive site about how to make shadows from the Light/Block/Shadow technique. ... The Energy Story: Solar Energy - Aimed towards children, this is a short introduction about solar energy. ... You Light Up My Life | ...

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• activities
• To Seek or Not to Seek - Links
• Tilt-A-World - Links