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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... Dark Markings of the Sky . ... Credit Copyright: Steve Cannistra ( StarryWonders ) Explanation: Based on wide field photographs, American astronomer Edward Emerson Barnard cataloged the dark markings of the sky in the early 20th century. Barnard's markings are dark nebulae, interstellar clouds of obscuring gas and dust. ... Included in the nearly 1 degree wide field of view is Barnard 7 (the 7th object in the catalog) at the upper right, next to a dusty bluish reflection nebula. ...

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• XWare > APOD
• Астронет > Dark Markings of the Sky

... 2009 April 25 . Dark Markings of the Sky . ... Explanation: Based on wide field photographs, American astronomer Edward Emerson Barnard cataloged the dark markings of the sky in the early 20th century. Barnard's markings are dark nebulae, interstellar clouds of obscuring gas and dust. ... Typically a light-year or so across, many of Barnard's dark nebulae are themselves likely sites of future star formation. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

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Catastrophism : . ... During the late 18th and early 19th century, a German mineralogist, Abraham Gottlob Werner, proposed that all of the Earth's rocks were formed by rapid chemical precipitation from a "world ocean," which he then summarily disposed of in catastrophic fashion. Though not directed toward the genesis of landforms in any coherent fashion, his catastrophic philosophy of changes of the Earth had two major consequences of geomorphic significance. ... Thermal Plate Tectonics : . ...

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... 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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• The hidden fires of the Flame Nebula* | ESO
• ESO - Publications based on ESO Data
• ESO - Newsletter March 2016

... 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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• Astronotes | Armagh Planetarium's astronomy news from across the Universe -
• Stargazing in June | Astronotes
• Kepler-10c: the First Mega-Earth | Astronotes

... 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.
• The first national Earth remote sensing satellite of Turkey will be placed into
• Yasny launch base

... The Australian National University] [Department of Physics] [Paul Francis] [Main Roleplay Page] . These exercises are my attempt to adapt the technique of Problem Based Learning to the context of introductory astronomy and astrophysics classes. ... As students grapple with the puzzle, they are forced to learn the subject matter of the course. ... This exercise is designed for 1st year University students with a reasonable high-school background in Maths and Physics. ...

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• Towards a Truly Unified Model of AGN
• Problem Based Learning in Undergraduate Astronomy
• IAU Commission #34 (Interstellar Matter)

... 3.0 Changes from the r1.0z release . ... These catalogs, prepared using the SExtractor package (Bertin & Arnouts 1996, A&A 117, 393), are based on the version v1.0 of the reduced, calibrated, stacked and mosaiced images acquired with HST and ACS as part of the GOODS ACS Treasury program. ... The r1.1z release of the multi-band source catalogs comprises: eight (8) primary ASCII files (the updated catalogs); one (1) updated file required to configure SExtractor; and this "README" file. ...

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• Common-Resolution Convolution Kernels for Space- and Ground-Based Telescopes
• ACS Work Items
• FGS Work Items

... 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
• Archive of VLBI Observations Majordomo List
• Flagging Based on a Template - UVAFLAG

For solar wind dials without any explanatory text, see this page . ... There are three logs, one for each condition index ( K P , Solar Wind ,and NOAA/SEC .) ... More about the solar wind's recent behavior can be found on my Current Solar Wind Conditions page. ... Other items of interest include NOAA/SEC Current Conditions , my composite current Auroral Images page, Windows on the Universe: Space Weather , and Public Outreach Index, Department of Space Physics and Astronomy, Rice University . ...

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• Auroral ovals [Oulu]
• Chronology of early astronomy,mechanics and spaceflight
• Magnetometers [Oulu]

... exoplanets . ... Ground-based detection of super-Earth transit paves way to remote sensing of small exoplanets . ... The transit of exoplanet 55 Cancri e is the shallowest detected from the ground yet, and the success bodes well for characterizing the many small planets that upcoming space missions are expected to discover in the next few years. ... Until now, the transits of only one other super-Earth, GJ 1214b circling a red dwarf, had been observed with ground-based telescopes. ...

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• Sharpest-ever ground-based images of Pluto and Charon | Astronomy.com
• Jupiter joins Venus in the early evening | Astronomy.com
• Percival Lowell's three early searches for Planet X | Astronomy.com

... 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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• Another webcam from Tom
• ttkdraw: Tom's Tcl/Tk-based Drawing Program
• Harvard College Observatory History in Images

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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• прогноз параметров вращения Земли
• Data base of Natural Satellites. Documentation. Structure
• Data bases of Natural Satellites. Documentation. Sources

Title : Deleted Scene 2 Filename : deleted2.wad Distributed As... : deleted2.zip Release Date : 7th April 2002 Author : Russell Pearson Email Address : rddp@duellist.net Website : www.duellist.net Description : 1 small single player lego themed level constructed from a section of map removed from an early version of Lego Base (legobase.wad) Additional Credits to : Rez, for playtesting the earliest version of LegoBase from which most of this map was taken. ... There are no secret areas in this level. ...

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• http://crydee.sai.msu.ru/ftproot/pub/rec/games/idgames/levels/doom2/j-l/legob-oc.txt
• http://crydee.sai.msu.ru/ftproot/pub/rec/games/idgames/levels/doom/p-r/reunion1.txt
• http://crydee.sai.msu.ru/ftproot/pub/rec/games/idgames/levels/doom2/a-c/asslt13.txt

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

... Maxim was one of the leading analysts of Russia space activities, those who set the basis for the open independent analysis of then-Soviet space program. q In the early 1990s the small blue paperback book became a real breakthrough. In the time being, almost everything is allowed; in that time, even the title of the book - The Military . ... I believe that to open Maxim's files and archives for the experts and Russian space program enthusiasts would be a best thing we can do in memoriam. ...

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. Main Sections LabIR main page . Instrument page . Documentation . Science Publications . Special Sections Software Page . Inside the Lab . LabIR staff . Companion Pages Skysoft Home . Tirgo Page . Tirgo Archive . LabIR Hotlist . Lunar occultations . AO star finder . Simple calculator .

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• LASG - Network Based Authentication
• Apache IP-based Virtual Host Support - Apache HTTP Server
• LASG - WWW based email readers

... Shevchenko Vladislav Vladimirovich . ... Position: Head of Department of Lunar and Planetary Research, Sternberg State Astronomical Institute, Moscow University, Doctor of Physics and Mathematics. ... L. Johnson Space Center - Lunar and Planetary Institute. ... Sternberg State Astronomical Institute, Moscow University, Universitetsky 13, Moscow, 119899 , Russia, . ... V.I.Chikmachev, S.G.Pugacheva and V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Moscow, chik@sai.msu.ru ...

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• List of publications

... According to the big bang theory, huge amounts of energy were released, giving rise to matter, antimatter and dark matter. ... The Big Bang Theory has enabled scientists to make certain predictions. ... These particles are the building blocks of matter, antimatter and dark matter. ... This could theoretically happen if the hydrogen was shockheated to over 100000 C. The Big Bang Theory is only a theory and so there is no concrete evidence to suggest that it is entirely correct. ...

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• Homepage of Gavin Ramsay
• Japanese Discover Large Earth Crossing Asteroid
• aroundNorth