BOOK REVIEWS 607 attention and students. ... With the publication of Planets and Life, a textbook for graduate students and upper level undergraduates, astrobiology is taking another large step towards formalizing itself as an established multidisciplinary field. ... This book combines reviews of existing evidence for mantle plumes with the results from recent studies and uses them to understand the upper mantle structure beneath several of the world's volcanic regions. ... Planets and Life. ...

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A Symplectic Integration Scheme that Allows Close Encounters between Massive Bodies J. E. Chambers, Armagh Observatory Mixedґvariable symplectic integrators provide a fast, moderately accuґ rate way to study the longґterm evolution of a wide variety of Nґbody sysґ tems (Wisdom & Holman 1991). ... A symplectic integrator works by splitting the Hamiltonian, H , for an Nґbody system, into two or more parts H = H 0 + H 1 + \Delta \Delta \Delta, where ffl i = H i =H 0 Ь 1 for i = 1; 2 : : :. ...

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Next: Scratch Files Up: Miriad Datasets Previous: Listing Datasets - PRTHD . ... A dataset contains several kinds of data, called `items', . Items can be quite small (e.g. a single number), intermediate in size (e.g. the history item, use to store history information), or very large (e.g. the image item in an image dataset, which is used to store the pixel data, or the visdata item in a visibility dataset, which contains the correlations). ...

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... CCD2FITS: CONVERSION OF CCD FILES TO FITS FORMAT . ... OFILE:Name of output file . ... CCD12BIT: LYNXX IMAGE READER . ... IMAGECUBE: name of output image vector . MEDIAN: IMAGE MEDIANS . ... M: name of output image . ... APPHO,image,rad,cts,nbins,x,y or . APPHO,image,rad,counts,xvec,yvec,col=col,resize=resize . ... APPHOT,image,rad,cts,nbins,x,y . APPHOT,image,rad,counts,xvec,yvec,col=col,resize=resize . ... IMAGE3: output image . ... FILEOUT: name of output image without .gif . ...

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... The following lists several Chandra-related sites on the World-Wide Web (WWW). ... Chandra X-Ray Center (CXC), operated for NASA by the Smithsonian Astrophysical Observatory (SAO). http://wwwastro.msfc.nasa.gov/ . ... AXAF Mission Support Team (MST), at the Smithsonian Astrophysical Observatory (SAO). http://hea-www.harvard.edu/HRC/ . ... Chandra Low-Energy Transmission Grating (LETG) team at Space Research Organisation Netherlands (SRON). http://www.rosat.mpe-garching.mpg.de/axaf/ . ...

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. To enter several commands on the one command line, use a ; (semicolon) to seperate each one from the next. For example: cd ..; ls -l . This command line contains two commands. The first, cd .. changes the current directory to the parent directory. The second, ls -l produces a long listing of the contents of the curent directory. If necessary you can continue the commands onto another line.

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... Title page . ... This service is divided into four sections (Plasma physics, Regions of interest, Phenomena of interest, Space physics instrumentation and analysis methods) and Appendices, each of which contain several pages. ... Space physics studies Sun (and its extension, the solar wind) and all planets with plasma environments, including Earth. ... Geomagnetic activity . ... For us living at high latitudes, the most remarkable plasma phenomena are the auroras relating to geomagnetic activity. ...

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... Of the 4 buttons in the bottom part of the configuration screen, three deals with power level adjustments: the 'Power control' button brings up the power control window where You can adjust the power levels of the different parts of the IF/LO system, the 'Power levels' button brings up the power level monitoring window (which also can be run outside CIMA as the 'powerwin' program), and the 'Adjust Mock power' button which adjusts the power levels on the Mock spectrometer (but nowhere else). ...

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Radio data are displayed in the following format: . After the title with name of cluster under examination and with line about kind of data under one, e.g. Radio data [ optical data ] [ radio source identifications ] [ radio spectra (1.0 or 1.1) ] . ... The first line contains the number of radio sources associated with the cluster (these are just those sources with entries in sections 'Radio galaxy', 'Radio source' and 'Radio spectrum' below). ... Radio sources in cluster: 2 # . ...

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If you select Select item, the Data retrieval from observatory list dialog box will appear. Click on one of two radio buttons to the left of data fields intended for observatory code or name and introduce the required data. In case of observatory name it is possible to introduce its fragment. ... If it is necessary to enter new observatory into the list, mark one of the entries with missing data and select Edit in drop-down menu. ... In this case Landscape mode should be selected. ...

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Next: Historical Notes Up: The Chirplet Transform: Previous: The Chirplet Transform: . ... One of these TF methods, the short-time Fourier transform (STFT), has been used extensively for analyzing speech, music, and other non-stationary signals. ... Another time-frequency representation (which might more appropriately be called a time-scale representation) is the well-known wavelet transformheil-walnut,mallat:theory,daubechies:transform,strangwavelets. ... Historical Notes . ...

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... Formulas are very similar to equations. Consider for now only equations with one unknown variable , denoted by some letter, which can be x but can also be different. An equation is an equality between two mathematical expressions containing the unknown number (maybe in several places), as well as other numbers which are known. ... For instance--if you multiply two sides of a formula by the same number, the result is still a valid formula, even if what you multiply contains unknown numbers. ...

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OptInt PmWiki : Pm Wiki / Wiki Group . ... PmWiki pages are organized into groups of related pages. ... By default, page links are between pages of the same group; to create a link to a page in another group, add the name of the other group and a dot or slash to the page name. ... To link to the default home page of a group, the name of the page can be omitted, like this: . ... For example, to make a default page in the group Foo, create a link to [[Foo/]] (or [[Foo.] ... Main : The default group. ...

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Back To The Astronomy Cafe" Book Review . Articles | ... Astronomy Net . ... A review of "Back to the Astronomy Cafe" . ... Pretty much near the Genesis of the modern Internet, Sten Odenwald has set out to help folks with questions about Astronomy by actually answering them. This book is the next in a series of common questions he has taken the time to answer in years past. ... www.astronomy.net . About Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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... Mandatory) a FITS file containing a binary table with a column containing the values to be smoothed. This may optionally contain uncertainties in another column. ... Optional) a FITS file containing a binary table with a column containing the convolver values. ... The number of rows of this table need not be the same as the number of rows of the input table. Optional) a FITS file containing a binary table with a boolean column containing mask values. ...

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• Description

... 2006 April 6 . Unusual Bright Soil on Mars . Credit: Mars Exploration Rover Mission , Cornell , JPL , NASA . Explanation: What is this bright soil on Mars? Several times while rolling across Mars, the treads of the robotic rover Spirit have serendipitously uncovered unusually bright soil. ... The physics and chemistry instruments on Spirit have determined the soil, shown above , contains a high content of salts including iron-bearing sulfates . ... About APOD | ...

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... Unusual Bright Soil on Mars . ... Credit Copyright: Mars Exploration Rover Mission , Cornell , JPL , NASA Explanation: What is this bright soil on Mars? Several times while rolling across Mars, the treads of the robotic rover Spirit have serendipitously uncovered unusually bright soil. ... Publications with keywords: Mars - Spirit rover . Publications with words: Mars - Spirit rover . ... Unusual Spheres on Mars . Curiosity on the Move . ... Curiosity on Mars: Still Life with Rover . ...

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... Source File: mod_negotiation.c . Module Identifier: negotiation_module Content negotiation, or more accurately content selection, is the selection of the document that best matches the clients capabilities, from one of several available documents. ... A type map (a file with the handler type-map ) which explicitly lists the files containing the variants. ... Apache only recognizes encodings that are defined by an AddEncoding directive. ... Content-Language: . ... Module: mod_negotiation . ...

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... 314, 2004 F. Ochsenbein, M. Al len, and D. Egret, eds. Clustering the large VizieR catalogues, the CoCat exp erience Francois Ochsenbein, SЄ stien Derriere, SЄ stien Nicaisse, AndrЄ ? eba eba e Schaaff Centre de DonnЄ astronomiques de Strasbourg (CDS), Observatoire de ees Strasbourg, UMR 7550, 11 rue de l'UniversitЄ, 67000 Strasbourg, France e Abstract. ... Introduction The VizieR catalogue service (Ochsenbein et al., 2000) is currently implemented on a Sun 4-processor server. ... Node 2 GSC2, .. ...

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