The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The term "astronaut" derives from the Greek words meaning "space sailor," and refers to all who have been launched as crew members aboard NASA spacecraft bound for orbit and beyond. Since the inception of NASA's human space flight program, we have also maintained the term "astronaut" as the title for those selected to join the NASA corps of astronauts who make "space sailing" their career profession. ...

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... 4.12.2009 . ... Credit: Neil Fleming Explanation: A lovely starfield in the heroic northern constellation Perseus holds this famous pair of open or galactic star clusters, h and Chi Perseii . Also cataloged as NGC 869 (right) and NGC 884, both clusters are about 7,000 light-years away and contain stars much younger and hotter than the Sun. ... Publications with keywords: open cluster . Publications with words: open cluster . ... Star Cluster M34 . ... M7: Open Star Cluster in Scorpius . ...

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• Comet Hartley Passes a Double Star Cluster
• Double Cluster in Perseus
• Journal "Peremennye Zvezdy"

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2009 December 4 . The Double Cluster . ... Also cataloged as NGC 869 (right) and NGC 884, both clusters are about 7,000 light-years away and contain stars much younger and hotter than the Sun. ... Always a rewarding sight in binoculars , the Double Cluster is even visible to the unaided eye from dark locations . ... About APOD | ...

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• APOD: 2007 December 7 - Double Cluster in Perseus
• APOD: 2003 December 2 - NGC 869 and NGC 884: A Double Open Cluster
• APOD: 2013 January 1 - A Double Star Cluster

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Star Clusters . ... FLAMES . ... 100 Hours of Astronomy . ... IMAX€о 3D Film Hidden Universe . ... This image, the first to be released publicly from VISTA, the worldтАЩs largest survey telescope, shows the spectacular star-forming region known as the Flame Nebula, or NGC 2024, in the constellation of Orion (the Hunter) and its surroundings. ...

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• ESO - Revised Acknowledgement for Publications Based on ESO Data
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... Dnepr launch record 17 August 2011. ... Baikonur Cosmodrome Yasny launch base Downloads . ... Yasny launch base is located in Orenburg Region, Russia. ... Admin & Hotel Complex including hotels, dining facilities and office premises; . Assembly, Integration and Test Building (AITB) incorporating clean room facilities and fueling station; . ... Yasny launch base AITB is divided into four main areas: Clean room 1 (CR1), Clean room 2 (CR2), Fueling Station and Offloading & Storage Area. ...

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• Kazakhstan delegation visits Yasny launch base

ST ScI Preprint #1362 . ... However, the radial extents of some of the very young clusters (ages <10 Myr) are much larger than those of old globular clusters (e.g., the outer radius of Knot S exceeds 450 pc). ... Star clusters around the edge of the dust overlap region appear to be the youngest, with ages 5 Myr, while clusters in the Western Loop appear to be 5-10 Myr old. ... A handful of old globular clusters from the progenitor galaxies are also identified. ...

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• STScI Preprint #1287
• STScI Preprint #1266
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... 1999, A , 350, 917 . ... Shock heated NH3 in a molecular jet associated with a high-mass young star . ... 1999, ApJL, in press . ... 1999, A , in press . ... 1999, in "The First Stars", eds. A. Weiss, T. Abel and M. Norman, in press . The formation of primordial stars . ... 1999, in "Star Formation 1999", ed. T. Nakamoto, in press . ... T. Jacq, A. Baudry, C.M. Walmsley, P. Caselli . ... 1999, ApJ, in press . ... Star Formation . ... Osservatorio Astrofisico di Arcetri . ... Star Formation Group . ...

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• FIRPO Publications
• FIRPO
• research field

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

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• Data base of Natural Satellites. Documentation. Structure
• Data bases of Natural Satellites. Documentation. Sources

... Posts tagged ?model based? ... arXiv:stat.ME:0910.2585] . Variable Selection and Updating In Model-Based Discriminant Analysis for High Dimensional Data with Food Authenticity Applications . ... Category: Algorithms , arXiv , Cross-Cultural , Data Processing , Jargon , Methods , Spectral , Stat | ... Tags: bimodality , chi-square minimization , Classification , CMD , Estimation , machine learning , massive data , model based , PCA , spectral analysis , spectroscopic , survey , VO . ...

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... Next: Cheating Poisson: A Up: Statistical Analysis Previous: Spatial Models and . ... The spatial distribution of stars in the Local Group dwarf irregular galaxy NGC 6822 has been studied, using recent positions and deep photometry for about 15,000 stars in the galaxy. Based on photometrical data, OB stars and red stars could be studied separately. Spatial statistical tools have been applied to the analysis of the spatial structure. ... Figure: Model selection by the aid of CAIC . ...

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• Tcl- and [Incr tcl]- Based Applications for Astronomy and the Sciences
• A New Entropy Measure Based on Multiple Resolution and Noise Modeling
• A Commodity Computing Cluster

XEphem Forum Message . Forums: . ... Post . ... Re: Filter Based On Catalogs? ... Post Message | ... Posted by Elwood Downey on December 27, 2000 18:54:34 UTC . ... No, you are not missing anything.. there is no filtering that is based literally on catalog. ... Re: Re: Filter based on catalogs? - rknop - December 27, 2000 - 20:53 UTC . ... www.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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• Re: Re: Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message
• Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message
• Tool Base Material? - an Astronomy Net ATM Forum Message

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ... Next: Step 3: Postprocessing to Up: How Pieflag works Previous: Step 1: Amplitude-based flagging . ...

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• Disk Based Processing
• difx:benchmarks [ATNF VLBI Wiki]
• Flagging Based on a Template - UVAFLAG

. F IGURE . 10. Dependence of cluster metallicity on (a) Galactocentric distance and (b) distance from the Galactic plane. The filled and open circles correspond to the young and old halos, respectively, and the straight lines are the corresponding rms regressions. The small square shows the old-halo cluster excluded from computations based on a 3 criterion. discussion in the text | privious figure | next figure .

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• Vladimir Marsakov Publication List

Paul J. Francis . ... This page provides information about, and copies of the role-playing exercises and problem-based learning exercises I use in my undergraduate Astronomy classes. You are very welcome to use, copy and modify these exercises. I only ask that you cite me as the source, and that you let me know that you are using them, and how the exercises went. ... For further information, contact Dr. Paul Francis, either by e-mail at . ... Maintainer: Paul Francis . ...

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• University Problem Based Learning Exercises for Teaching Astronomy and Physics
• Problem Based Learning in Undergraduate Astronomy
• IAU Commission #34 (Interstellar Matter)

... Recent Results . ... last 10 years in ADS) . in SAO press releases . ... observations database) . ... Last update: . ... Measurement of the dark halo shape in polar ring galaxies . Determining the mass of supermassive black hole in galaxy Mrk6 nucleus based on spectropolarimetric observations . The dust jets in the nucleus of comet 29P/Schwassmann-Wachmann 1 . ... New Polar Ring Galaxies . Traces of recent interactions in isolated Seyfert galaxies . ...

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• SCORPIO-2 project: publications
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• Vortex structure of NGC 157.

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

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• The NMW survey homepage

Dark matter maps for a sample of 50 individual galaxy clusters (left), an average galaxy cluster (center), and those based on dark matter theory (right). ... The map based on predictions from CDM theory (right, middle) is a close match to the average galaxy cluster observed with the Subaru Telescope. NAOJ/ASIAA/School of Physics and Astronomy, University of Birmingham/Kavli IPMU/Astronomical Institute, Tohoku University ...

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• Ground-based detection of super-Earth transit paves way to remote sensing of
• Sharpest-ever ground-based images of Pluto and Charon | Astronomy.com
• A tough comet survives a close encounter with the Sun | Astronomy.com

... The most powerful and widely used methods to calculate the scattering matrix of a fractal cluster are based on the coupled dipoles methods (e.g. the Discrete Dipole Approximation, DDA) and the theory of light scattering by a cluster of spherical particles [2-4]. ... At present the procedure of calculation of the scattering matrix is well developed for both an oriented cluster of spherical particles and for chaotically oriented clusters of such particles [4]. ...

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• Atomic Data Bases
• List of publications
• Conference Proceedings | Radiation mechanisms of astrophysical objects:

... Mokhovaya st., 11, Moscow, 103907, Russia . ... Moscow Institute for Physics and Technology . ... 9, Dolgoprudny, Moscow region, Russia. ... 1999, Vol. ... In this report, we discuss an approach to construction of information searching systems based on dynamic chaos and intended to operate in computer networks, local area or Internet. Also we discuss an application of this technology to the problems of searching for information in unstructured text databases with natural-language requests. ...

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• Project 8 - RFBR - Novel Nanoscale Devices based on functional Oxide Interfaces
• Chaos-based Associative Retrieval - NDCS-01
• Kotel'nikov IRE RAS, LASLDS

... Subject: Lectures, Awesome Universe, Conjunction, ISS, Geminids, IAA NY Party, weblinks . Date: 4 December 2012 15:09:24 GMT . ... 4.€аVenus, Mercury and Moon: conjunction. ... 7.€аIAA New Year Party. ... http://www.dailymail.co.uk/sciencetech/article-2239715/NASA-scientists-develop-nuclear-powered-probe-deep-space-exploration.html . ... http://www.dailymail.co.uk/sciencetech/article-2235460/A-planet-born-Astronomers-capture-super-Jupiter-challenging-ideas-formations-new-worlds.html . ...

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• The Hershel Space Observatory - the golden age of space-based IR astronomy
• JLE Dreyer
• Armagh Observatory