... 16.09.2005 . ... Credit Copyright: Philippe Moussette Explanation: So far, the Aurora Borealis or Northern Lights have made some remarkable visits to September's skies . ... Also featured is the planet Mars , the brightest object above and left center. Seen near Mars (just below and to the right) is the tightly knit Pleiades star cluster. ... September . ... September 2005 . ... Publications with keywords: aurora - Mars - pleiades . Publications with words: aurora - Mars - pleiades . ...

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• Colorful Light Pillars
• September Aurora
• Cloudy Night of the Northern Lights

... 2002 September 2 . Colorful Light Pillars . ... In most places on Earth, a lucky viewer can see a Sun-pillar , a column of light appearing to extend up from the Sun caused by flat fluttering ice-crystals reflecting sunlight from the upper atmosphere. ... These ice crystals may then reflect ground lights in columns not unlike a Sun-pillar . In the above picture, the colorful lights causing the light pillars surround a ice-skating rink in Fairbanks, Alaska . ... About APOD | ...

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• APOD: 2005 September 16 - Northern Lights, September Skies
• APOD: 2011 September 30 - Cloudy Night of the Northern Lights
• APOD: 2005 September 14 - The Boomerang Nebula in Polarized Light

... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

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... 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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... 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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• EoN_sky
• ESO - First Light for GRAVITY
• ESO - Science Announcements

... John Mason lecture in Belfast: Wednesday 3 September . ... Astronomy Ireland Public lecture: Monday 8 September 2008 at 8 pm. The lecture is entitled "Light Pollution in Ireland" and will be given by Albert White of the Irish Light Pollution Awareness Campaign (ILPAC). Albert will tell us about the financial, environmental and astronomical cost of badly designed public lighting. More information at www.astronomy.ie . International Year of Astronomy, Ireland National Node . ...

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• Light Pollution
• Earthshine
• What is light? | International Year of Astronomy in Ireland | Astronomy 2009

... SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Accidental Astrophysics: The Devil's In the Magnitudes, Part II . ... The star second to the Sun in brilliance is Sirius. ... Recall the magnitude system, passed down to us through a hundred generations of sky watchers, as a means of quantifying stellar brightness ("Accidental Astrophysics," May/June, p. 9). ... Yes, it is a magnitude difference, but that difference is due to the distance between us and the star. ...

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• ASP: Contents, September/October 2006
• ASP: Lighting the Nebulae
• ASP: By the Light of the Moon

... More information on books, telescopes, clubs, etc. is available in the Getting Started section. ... For more information call 617-495-7461. Boston University Astronomy Department - Public telescopic observing is held every clear Wednesday night. ... Boston Museum of Science - For more information and admission prices call 617-723-2500. ... For information and admission prices call 508-929-2700. ... Springfield Telescope Makers , VT. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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NASA s Solar Dynamics Observatory captured this image of Earth and the Moon transiting the Sun together on September 13, 2015. The edge of Earth, visible near the top of the frame, appears fuzzy because Earth s atmosphere blocks different amounts of light at different altitudes. On the left, the Moon s edge is perfectly crisp because it has no atmosphere. This image was taken in extreme ultraviolet wavelengths of 171 angstroms. ... NASA/SDO ...

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B78CD630D-C628-450D-B70F-3DF9E53A29CD%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B791584F8-B2ED-4798-B335-538FC86BCE70%7D
• Why do aurorae appear strongest within rings centered on Earth's poles instead

... Volodymyr Kuzkov, Sergii Kuzkov, Zoran Sodnik - Direct measurements of laser light aberration from the ARTEMIS geostationary satellite through thin clouds // arXiv.org - New resalts to paper at Conference ICSOS-2014, Kobe, Japan, May 7-9 (2014), S4-4, [view pdf file] . ... Kuz'kov V., Volovyk D., Kuzkov S., Sodnik Z., Pukha S. - Realization of Laser Experiments with ESA'S Geostationary Satellite ARTEMIS. ... Preparation to Optical Communication Experiments With ARTEMIS Satellite. ... V.P. Kuz`kov. ...

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... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

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• What is HISA?
• NAIC Publications List
• first light daytime

... a greenish glow is often seen in the sky, known as the "Northern Lights." ... During magnetic storms, the glow may move southwards, and on occasion it can be seen in much of the US. ... A similar phenomenon is also seen in southern polar regions. ... Auroral light is produced at a height of about 100 km (60 miles) when fast electrons, arriving from space, slam into atoms and molecules of the atmosphere. ... The green light of the aurora puzzled scientists for many years, since it fit no known...

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• The Sun's Corona
• Electrons, Ions and Plasma
• Dr. Victoria I. Prokhorenko

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Earth Satellites . ... By admin October 4, 2012 Posted in: Moon . A tiny second moon.This is Phobos (27 km across) seen over Mars by ESA's Mars Express (Image credit:ESA) . ... They concluded that at any given time Earth probably has a second moon. ... But, just perhaps, briefly the Earth had a second natural satellite seen by thousands of people.Remember the spectacular fireball witnessed over the UK and Ireland on 21 September 2012 ? ...

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• Hubble throws light on dark matter | Astronotes
• Aurora - Northern Lights viewed from Ireland | Astronotes
• physics | Astronotes - Part 3

Near-infrared images of star forming regions containing masers ( Figure 1 ) . L. Testi, M. Felli, P. Persi, M. Roth . 1997, A&AS, in press . ... C. Kramer, J. Alves, C. Lada, E. Lada, A. Sievers, H. Ungerechts, M. Walmsley . ... 1997, "Star Formation with ISO", Lisboa, June 24-26, ASP Conference Series, eds. J. Yun and R. Liseau . ... R. Cesaroni, M. Felli, L. Testi, C.M. Walmsley, L. Olmi . ... Click to examine publications from other years . ... Star Formation Group . ... Arcetri Home Page . ...

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• APOD: September 25, 1997 - T Pyxidis: Recurrent Nova
• Home - Cosmic Polarization Rotation Workshop, September 7-8, 2015
• First Light of Nics

... Laboratory for Spectroscopy of Molecular Structures . ... News . ... A new article entitled Description of optical properties of cholesteric photonic liquid crystals based on Maxwell equations and Kramers-Kronig relations has appeared in Physical Review E. Congratulations to Grigoriy Ksyonz on his first publication! . 25 th February 2013 . ... 22 nd November 2012 . ... 22 nd February 2012 . 4 th Workshop on Liquid Crystals for Photonics 2012 will take place in Hong Kong December 9-11, 2012. ...

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• Stuff LSR ISSP RAS
• Laboratory of spectroscopy of defect structures ISSP RAS
• Homepage of Denis Bulaev - Talks

... 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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• Events archive
• Galaxy sector, archive 2004
• Large telescopes application form

In 2001, Westerbork observations of the disturbed galaxy named VV-29 (alias Arp-188, UGC-10214) showed that there is second smaller galaxy (named VV-29c) that appears behind the western side of the main body of the distorted galaxy. ... The galaxy was featured as the May 2, 2002 Astronomy Picture of the Day . ... When VV-29 had its 15 minutes of fame in May 2002, it appeared under the name "The Tadpole Galaxy," but based on the images above, we will always think of it as "The CHAINSAW"! ...

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• CHIAKI's Hobby
• C/2006 P1 (McNaught)
• Pink Black Holes: Frequently Asked Questions

... Plot the light curve . input file: rp90_ltc.tab . xt> ltcplot Input Table File: rp90_ltc . Plot appears with crosshair cursor and the program will be in cursor mode for interactive readjusting of the plot. Type = for hardcopy. Type q to leave plot and return to PROS. ... to plot error bars . ... will set the vertical scale to these values. ``auto'' will scale from min y to max y. num_plots = 2 . ... 1998-06-10 ...

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• The galaxy M100
• The AstroStat Slog light curve

... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Such a model can reproduce much of the observed late-time evolution of the radio flux density and spectral index (though recent results for SNб 1993J (van Dyk et al. 1994) show that the Chevalier model does not adequately describe the early behaviour of radio light curves for this supernova, perhaps due to variations in the mass-loss rate and clumping in the stellar wind, which are not yet accounted for in the model). ...

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• Archive of VLBI Observations Majordomo List
• ATNF Colloquium
• LBA Block Schedule for 2015APR

EMBARGOED UNTIL: 9:20 AM CST, January 6, 1999 CONTACT: John Biretta Space Telecsope Science Institute, Baltimore, MD (Phone: (410) 338-4917; Internet: biretta@stsci.edu) HUBBLE DETECTS FASTER-THAN-LIGHT MOTION IN GALAXY M87 Astronomers reported today discovering clouds which appear to move many times faster than the speed of light, shooting out from the region of a black hole at the center of the M87 galaxy. ... It's an illusion created by the finite speed of light and rapid motion," Biretta said. ...

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• HST this week: 268
• HST this week: 271
• Example Preprint entry