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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... HD 188753: Triple Sunset . ... 5.08.2005 . ... Credit: courtesy JPL-Caltech , NASA Explanation: Although it looks like fiction, this artist's vision of sunset on an alien world is based on fact -- the recent discovery of a hot, jupiter-sized planet orbiting in triple star system HD 188753 . ... August 2005 . ... Publications with keywords: extrasolar planet - star system . Publications with words: extrasolar planet - star system . ... Atmospheres Detected on Two Extrasolar Planets . ...

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• Eris: More Massive than Pluto
• Planet Near a Galaxy Core
• Six Worlds for Kepler 11

... Planets . ... The planets were found using the HARPS instrument on the 3.6m telescope at ESOтАЩs La Silla Observatory. ... A planet in orbit around a star causes the star to regularly move towards and away from observers on Earth. ... One newly discovered planet, HD 85512 b, is best hope found so far for a habitable exoplanet. ... The HARPS team so far have found that about 40% of stars similar to own Sun have at least one planet smaller than Saturn (which is 95 times more massive than Earth). ...

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• Kepler-11: a strange and crowded planetary system | Astronotes
• Exoplanets | Astronotes

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

... Feeding the Monster: Gas Caught in its Death Spiral into a Massive Black Hole . ... Stromlo Professor Mike Dopita have used the Hubble Space Telescope to discover how a massive Black Hole in a nearby galaxy feeds itself. ... Earlier Hubble Telescope data obtained by another team member, Professor Holland Ford of Johns Hopkins University in Baltimore, Maryland, had found a disk of gas rushing around the Black Hole at a speed of 500 kilometers a second. ...

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• University Problem Based Learning Exercises for Teaching Astronomy and Physics
• Problem Based Learning in Undergraduate Astronomy

... 2005 August 5 . HD 188753: Triple Sunset . Illustration Credit: courtesy JPL-Caltech , NASA . Explanation: Although it looks like fiction, this artist's vision of sunset on an alien world is based on fact -- the recent discovery of a hot, jupiter-sized planet orbiting in triple star system HD 188753 . ... While other hot, jupiter-like planets are known to orbit nearby stars, the "crowded" multiple star nature of this system challenges current theories of planet formation . ... About APOD | ...

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• APOD: December 12, 1997 - Phi Persei: Double Star
• APOD: 2012 December 1 - Northern Mercury
• APOD: 2015 August 28 - Puppis A Supernova Remnant

... 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
• Lunar Orbiter to the Moon (1966 - 1967)
• FIRPO

... Science Users Information > Science Publications > Science Announcements > Revised Acknowledgement for Publications Based on ESO Data . ... Science Archive Facility . ... When findings based on ESO data are published, acknowledgement is requested through a specific statement, to be found here . ... Please add this acknowledgement to your future papers which are based on ESO data, regardless of whether these are new observations using proprietary data or data obtained from the ESO Science Archive . ...

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• ESO - Publications based on ESO Data
• The hidden fires of the Flame Nebula* | ESO
• Mario van den Ancker

... Sensitivity of a Global Search for Planets in Space-Based Astrometric Databases . ... Missions . ... Future Missions and . ... Missions Office . ... Research . ... Space-based astrometric missions, such as Hipparcos and the proposed GAIA and SIM missions, can yield frequently sampled, accurate position measurements for a large number of stars with uniform accuracy. Using Monte Carlo simulations, we assess the probability of identifying planets around nearby stars in such databases. ...

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• Black holes in galactic nuclei
• Common-Resolution Convolution Kernels for Space- and Ground-Based Telescopes
• Ground-Based Interferometry

... 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 Recording
• Evolutionary Paths in Galaxy Morphology
• Outreach

In the Table below the masses of some asteroids which were determined during the last years are listed. ... The listed values were determined from observations of many test bodies by the weighted least square fit for one perturbing mass and corrections to the orbit elements of all used test bodies. ... based on the observations of 98 asteroids (including 50278) with the values of standard error of mass determination less than 3.0 10 -11 M Sun . ... Mass . ... 3) Mass 121 : 0.74 x 10 -11 M Sun ; . ...

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• (Untitled)
• Laboratory of minor bodies of Solar system
• NAA 2013-2014 (preface)

... More on 51 Peg: . The discovery of a Jupiter--mass planet in orbit around the solar--type star 51Peg has been reported by Michel Mayor and Didier Queloz (Geneva Observatory) on October 6th at the 9th Cambridge workshop on "cool stars, stellar systems, and the sun" held at Florence (Italy). ... Recall that the measurements of radial velocity only yield v sin i which in turn gives us M sin i. For most values of i, sin i will be greater than 0.5 and this gives a mass estimate of 0.5 Jupiter masses. ...

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• http://zebu.uoregon.edu/~uochep/talks/talks05/lumi.pdf
• U of O High Energy Physics Seminars
• Taylor and Francis Page

... Over the past decade and a half, astronomers have used both ground-based and space-based telescopes to discover more than 400 "extrasolar" planets. The Kepler space-based mission uses a technique called transit photometry to search for these planets. In January 2010 the Kepler mission team announced the discovery of five new planets. ... The ultimate goal of the Kepler mission is to search out the existence of Earth-like planets. ... A Collection of Resources to Get Behind the Headlines . ...

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• ASP: A Good Definition of the Word "Planet": Mission Impossible?
• ASP: "Extreme" Inquiry-Based Learning
• ASP: An Ancient Universe - Introduction

... Baikonur Cosmodrome Yasny launch base Downloads . ... Following successful completion of the launch campaign at Baikonur cosmodrome, in the course of which ESA s CryoSat-2 was injected into the target orbit on 8 April 2010, ISC Kosmotras is planning to concurrently carry out another two launch campaigns, at Yasny launch Base and Baikonur cosmodrome. ... As the launch day draws closer, ISC Kosmotras will keep on publishing information about the progress of the launch campaign at the Yasny Launch Base...

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• Dnepr LV with THEOS SC Blasts off from Yasny Launch Base.
• Yasny launch base
• Kazakhstan delegation visits Yasny launch base

... 2007: . A Young Binary System Theta 1 Ori C. Based on the interferometer observations on BTA, for the first time we drew an orbit, calculated the masses, luminosity and spectral classes of the components of a very young (~ 100 thousand years old) massive (a total mass of 48 times the Sun) binary system Theta 1 Ori C in the nearest to us Orion complex of star formation. Archive . ...

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• Metagalaxy sector, archive 1997
• Zeiss-1000 telescope instrumentation
• Galaxy sector, archive 2015

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
• Astronomical Society of Nevada - Lahontan Chapter, AstroGuide Listing

... 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

... The extended project as the existing one aims to investigate, control and exploit the properties of interfaces between isostructural functional oxides for the realization of new nanosized electronic and optoelectronic devices. New participants will contribute to the characterization and understanding of physical properties of interfaces made of perovskite materials. In particular high frequency dynamical properties, fluctuation phenomena and dielectric spectrum will be carefully studied. ...

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• Chaotic Processors and Unstructured Data Bases - NDCS-99
• Chaos-based Associative Retrieval - NDCS-01
• Kotel'nikov IRE RAS, LASLDS

... 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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• The AstroStat Slog massive data
• High Energy Astrophysics
• ttkdraw: Tom's Tcl/Tk-based Drawing Program

... Five Lunar Orbiter missions were launched in 1966 through 1967 with the purpose of mapping the lunar surface before the Apollo landings. ... The first three missions were dedicated to imaging 20 potential lunar landing sites, selected based on Earth-based observations. ... The Lunar Orbiters had an ingenious imaging system, which consisted of a dual-lens camera, a film processing unit, a readout scanner, and a film handling apparatus. ... Launched: 04 May 1967 . ... Objective: Lunar mapping mission ...

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• Neptune
• People
• Dr. Victoria I. Prokhorenko