... Credit Copyright: Cassini Imaging Team , SSI , JPL , ESA , NASA Explanation: How old are Saturn's rings? ... Inspection of images by the Saturn-orbiting Cassini spacecraft indicates that some of Saturn's ring particles temporarily bunch and collide, effectively recycling ring particles by bringing fresh bright ices to the surface. ... Icy bright Tethys , a moon of Saturn likely brightened by a sandblasting rain of ice from sister moon Enceladus , is visible in front of the darker rings. ...

... 2007 December 17 . Saturn's Ancient Rings . Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA . Explanation: How old are Saturn's rings? ... Inspection of images by the Saturn-orbiting Cassini spacecraft indicates that some of Saturn's ring particles temporarily bunch and collide, effectively recycling ring particles by bringing fresh bright ices to the surface. ... APOD presents: Astronomy Pictures of the Year for 2007 . ... About APOD | ... A service of: ASD at NASA / GSFC . ...

... Main . ... Pulsar Emission Mechanisms . ... Distinguished Visitor . PPTA algorithm development . ... Flux variations of PPTA pulsars . Carolyn Raithel (Carleton College) . ... Pulsar Wind Nebluae . ... Nov 1, 2010 - Jan 31, 2011 . ... June 23 - Aug 9, 2010 . ... Dec 8 - 17, 2009 . ... Dec 13 - 23, 2006 . ... Dec 3, 2006 - Jan 5, 2007 . ... Aug 10 - Dec 7, 2006 . ... June 29, 2006 - June 15, 2007 . ... May 15 - June 26, 2006 . ... Dec 31, 2005 - Feb 1, 2006 . ... Group . ... Pulsar Groups . ...

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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... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... News Feed . ... 2013 December 5th . ... Minutes of the 89th meeting of the Management Committee of the Armagh Observatory and Planetarium 21 JUNE 2013 - PDF . ... Warm, Wet and Bright October . ... AOP Annual Report and Accounts for the year ended 31 March 2013 - PDF . ... Armagh Observatory Planetarium тАУ Appointment of Members to the Management Committee - PDF . ... Armagh Observatory Annual Report 2012 - PDF . ...

... J. Brand, M. Felli, R. Cesaroni, C. Codella, G. Comoretto, S. Di Franco, F. Massi, L. Moscadelli, R. Nesti, L. Olmi, F. Palagi, F. Palla, D. Panella, R. Valdettaro . 2007, IAU Symposium 242, p. 223 . ... 2007, ApJ, in press . ... Murphy, G. C., Lery, T., O'Sullivan, S., Spicer, D., Bacciotti, F., Rosen, A. 2007, A , in press . ... Rubini, F., Lorusso, S., Del Zanna, L., Bacciotti, F. 2007, A , in press . ... Coffey, D., Bacciotti, F., Ray, T.P., Eisloeffel, J., Woitas, J. 2007, ApJ, in press . ...

home publications > mercury . ... A Titan-ic Mission . ... Saturn's moon Titan seems like the stuff of science fiction, but it really exists, out there in the distant reaches of our own Solar System. ... Ringed Saturn, heavily veiled by the thick atmosphere of this small world, hangs low and huge in the sky. ... But under that heavy atmosphere, planetary scientists believe an exotic world awaits our discovery [see "Saturn and Titan on the Eve of Cassini-Huygens," September/October, p. 10]. ...

... Phase Correction Algorithms | ... R. Bolton, B. Nikolic, J. Richer, The Power Spectrum of Atmospheric Path Fluctuations at the ALMA Site from Water Vapour Radiometer Observations , ALMA Memo 592, PDF , ALMA Memo series entry . Emily I. Curtis, Bojan Nikolic, John S. Richer and Juan R. Pardo, Atmospheric dispersion and the implications for phase calibration , ALMA Memo 590. ... B. Nikolic, ALMA Phase Calibration/Correction , Presented at Algorithms 2008 Workshop, Oxford, December 2008. pdf . ...

BaBar Collaboration Meeting , December 6-10, 2004 . ... APS April Meeting 2004 , May 1-4, 2004 . ... Workshops in Particle Physics , February 29 - March 6, 2004 . ... Aspen 2004 Winter Conference on Particle Physics , February 1-7, 2004 . ... Exp Talks - Prior Years . ... Energy Spectrometer Designs and Beam Tests , Eric Torrence . ... Recent Results from the LIGO Experiment, Isabel Leonor . ... Experimental Introduction , Ray Frey . ... CCD R at Oregon University , Nick Sinev, Olya Igonkina . ...

... Team . ... V.V.Sokolov "The gamma-ray bursts, core-collapse supernovae and global star forming rate at large redshifts" . ... I.V.Sokolov, A.S.Moskvitin, Eda Sonbas, O.V.Verkhodanov, O.P.Zhelenkova "A galaxy cluster in the GRB 021004 field" . ... The monitoring of GRB afterglows and the study of their host galaxies with the SAO RAS 6-m telescope from 1997". ... A.S.Moskvitin, T.A.Fatkhullin, V.V.Sokolov and V.N.Komarova, "Spectral and photometric monitoring of CCSNe at SAO RAS" . ...

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... Science . ... Science Users Information > Science Publications > Archive of the ESO Enews . ... Phase 1 Proposals . ... Data Handling and Products . ... Science Archive Facility . ... ESO Data Access Policy . ... Call for Public Surveys with the Arizona Radio Observatory . ... ESO Science Newsletter . ... Archive ESO Enews . ... Please find below an overview of the available issues of the ESO Electronic Newsletter. ... THIRD AND FINAL CALL FOR ESO/GTC PROPOSALS . ... NEW ESO ARCHIVE DATA RELEASES . ...

... 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) . ...

Permanent places of employment: CNRS - Section STIC-07, since October 2008 . Current research interests: tilings, substitutions, combinatorics, symbolic dynamics, quasicrystals . ... 2008 - 2010 CNRS - LAboratoire d'Informatique Fondamentale, Marseille . ... Fernique, /Combinatorial substitutions and sofic tilings/, submitted . ... O. Bodini, Th. ... Fernique, /Generation and recognition of digital planes using multi-dimensional continued fractions/, Pattern Recognition 42 (2009) . ...

... Dongwon Kim , March 2014, on-going . ... Tammy Roderick , March 2011, on-going . Emma Kirby, *PhD completed August 2010* . ... Laura Dunn, *PhD completed December 2007* . ... David Nicholls, *PhD completed March 2014* . ... Antoine Bouchard, *PhD completed June 2006* . Emily McNeil, *PhD completed December 2010* . ... Eduard Westra, *PhD completed December 2007* . Sebastian Gurovich, *PhD completed August 2006* . Rami Rekola, *PhD completed December 2004* . ...

... Artist's concepts of two ATLAST designs . ... ATLAST: Characterizing Habitable Worlds (Postman et al. ... Science drivers and requirements for an Advanced Technology Large Aperture Space Telescope (ATLAST):Implications for technology development and synergies with other future facilities (Postman et al.) ... A 16-m ATLAST Mission Design (Lillie et al.) ... Conceptual Design for a 16-m Segmented UVOIR Space Telescope (Korechoff et al.) ... Science with an 8-m to 16-m ATLAS Telescope (Postman et al.) ...

... Project page . ... Project workpage . Turbulence in the Multiphase Interstellar Medium . Project I | ... Project highlight | ... Towards simulating turbulence with adaptive meshes . ... A. Kritsuk, P. Padoan, M. Norman . ... A. Kritsuk M. Norman . ... A. Kritsuk, M. Norman, P. Padoan . astro-ph/0411626 | ... P. Padoan, A. Kritsuk, M. Norman, A. Nordlund . ... Introducing Enzo, an AMR Cosmology Application . B. O'Shea, G. Bryan, J. Bordner, M. Norman, T. Abel, R. Harkness, A. Kritsuk . ...

. Date, from: . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 January February March April May June July August September October November December 1952 1953 1954 1955 1956 . to: . 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 January February March April May June July August September October November December 1952 1953 1954 1955 1956 . Longitude, from: . to: . Latitude, from: . to: . Area, from: . to: . Brightness, from: . to: .