... Credit: Galileo Project , JPL , NASA Explanation: The Moon's surface is covered with craters, scars of frequent impacts during the early history of the solar system. ... The impact theory of lunar origin can explain, for example, why Moon rocks returned by the Apollo missions have the same isotopic ratios as Earth rocks while the Moon seems deficient in heavy elements like iron. ... Publications with keywords: Moon - origin - impact theory - impact - crater . ... Apollo 17: Shorty Crater Panorama . ...

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• Journal "Peremennye Zvezdy"
• Астронет > Impact Moon
• Elements of the Swan Nebula

... 2003 August 11 . Elements of the Swan Nebula . ... Explanation: In the depths of the dark clouds of dust and molecular gas known as M17 , stars continue to form. Also known as the Omega Nebula and Horseshoe Nebula, the darkness of M17's molecular clouds results from background starlight being absorbed by thick filaments of carbon-based smoke-sized dust . As bright massive stars form, they produce intense and energetic light that slowly boils away the dark shroud. ... About APOD | ...

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• APOD: August 23, 1997 - A Star Forming Region in the LMC
• APOD: 2009 August 3 - T Tauri: A Star is Formed
• APOD: 2011 November 24 - Caught in the Afterglow

... Content Model: one ore more OPTION elements . The SELECT element is used for single and multiple choice menus. ... Example: <SELECT NAME="flavor"> <OPTION>Vanilla <OPTION>Strawberry <OPTION>Rum and Raisin <OPTION>Peach and Orange </SELECT> . ... When you want a multiple choice menu, you need to include the MULTIPLE attribute with the SELECT element, e.g. <SELECT MULTIPLE NAME="flavor"> . ... NAME . ... The presence of this attribute denotes that the SELECT element defines a multiple choice menu. ...

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• HTML Forms
• List Item
• Definition Lists

... Aniline alkylation with methanol on zeolite H-Y has been studied using in situ 13C MAS NMR spectroscopy under batch conditions. To clarify the main reaction pathways, the conversion of methanol as well as the interaction of aniline with surface methoxy groups were investigated under similar conditions. ... Toluidines and N-methyltoluidines are formed at temperatures from 523 to 623 K after complete conversion of methanol to N-methylaniline. ...

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... June 25, 1996 . A Star Forming Region in the LMC . ... Explanation: Stars sometimes form in colorful ways. Pictured above is a small region in the nearby LMC galaxy where stars are forming. ... It may develop a strong wind which pushes away nearby gas ; it may be so hot and intense that emitted light boils away nearby dust and gas , and it may be so massive that it soon goes supernova and catapults its elements back to the interstellar medium . ... About APOD | ... Specific rights apply. ...

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previous next contents elements attributes . ... Changes to elements . New elements . ... The new elements in this version of HTML are Q , INS , DEL , ACRONYM , LEGEND , COLGROUP , BUTTON , and FIELDSET . ... These changes were additionally motivated by the desire to avoid future problems if this specification is extended to allow frame and rules attributes with other table elements. ... To solve these problems this specification introduces several new attributes and elements. ...

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• Definitions and Conventions
• Index of the HTML 4.0 Elements

Nano-optical elements for the forming of 2D images" . Goncharsky A.A., Durlevich C.P. The paper is devoted to the mathematical modeling of synthesis of nano-optical elements. The possibilities of kinoform elements are studied in detail. It is shown that, in the problems of image formation, the kinoform elements have a number of advantages over the classical flat diffraction optical elements. ... Goncharsky A.A. e-mail: gonchar@srcc.msu.ru ; Durlevich C.P. e-mail: sdurlevich@yandex.ru ...

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• "A problem of synthesis of nano-optical elements for the formation of dynamic
• On a problem of the synthesis of nano-optical protection elements
• "On the problem of synthesis of nano-optical elements"

... Form Templates replace TWikiCategory Tables from the 01-Dec-2000 version of TWiki. Changed: . ... On upgrading from the previous TWiki, a Form Template topic has to be built for each web that used a Category Table, recreating the fields and values from the old twikicatitems.tmpl . ... Name . ... A Form Template topic defines the form. ... If the WebTopicEditTemplate topic has a form added, the form will appear with values set; press Change to remove the template or to switch to a different one. ...

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• %TOPICTITLE% (7 vs. 8) - TWiki

This document explains values, tables and other matters on solar physics computing pages. ... is040423.ete : SAHA-S tables, interpolation values: T, rho, X. Z is fixed at 0.02. See reference above. opal2005.etf : OPAL EOS, interpolation values: T, rho, X, Z. Downloaded from OPAL site , marked there as "2005", seems to be unpublished. opal2001.etf : OPAL EOS, interpolation values: T, rho, X, Z. Rogers F.J., Nayfonov A. Astrophys. ... The following values can be calculated: . ... dimensionless . ...

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• Index of the HTML 4.0 Elements
• Appendix A: A sample style sheet for HTML 4.0

Электронная библиотека Попечительского совета . ... Dowling L.W. - Projective Geometry . ... Название: Projective Geometry . Автор: Dowling L.W. Язык: . ... Center, of projectivity 118 . ... Classification, of projectivities 120 . ... Determination of projective relationship 50 163 . ... Projective relationship 38 114 160 . Projective relationship, determination of 50 115 163 . ... Similarly projective 79 . ... Электронная библиотека попечительского совета мехмата МГУ , 2004-2016 . ...

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• Novikov S.P., Fomenko A.T. - Basic elements of differential geometry and
• Borevich Z.I., Shafarevich I.R. - Number Theory :: Электронная библиотека
• Dubinko M. - XForms Essentials :: Электронная библиотека попечительского совета

... Accretionary soil: a thick soil formed by simultaneous slow deposition of sediment and pedogenesis; it may possess an over-thickened A horizon which grades up into overlying unaltered sediment, or an "endless B horizon" formed as the basal A horizon is progressively transformed into B horizon material (synonym: cumulic soil). ... Minor episodes of deposition may have occurred between or within the periods of soil development, but were not sufficient to leave layers of unaltered material. ...

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• Abstracts
• SPECIAL ISSUE OF CATENA «RECONSTRUCTION AND CLIMATIC IMPLICATIONS OF PALEOSOLS»

PHP Manual . ... PHP 3 <= 3.0.18, PHP 4 >= 4.0.0) explode -- Split a string by string . array explode ( string separator, string string [, int limit]) . ... If limit is set, the returned array will contain a maximum of limit elements with the last element containing the rest of string . ... pizza = "piece1 piece2 piece3 piece4 piece5 piece6"; $pieces = explode(" ", $pizza); $data = "foo:*:1023:1000::/home/foo:/bin/sh"; list($user,$pass,$uid,$gid,$gecos,$home,$shell) = explode(":",$data); . ...