In Actor Prolog a resident is a special mechanism that helps processes to inspect state of other processes. A resident observes the state of a specified (target) process and if the state of the process changes (for instance, after message handling) it proves a specified predicate of the process. ... Work of the resident. ... Any change of the list of target processes or arguments of resident function results in activation of the resident and repeated collection of information in the target worlds. ...

... This webpage provides an extensive list of additional resources put together by Andrew Franknoi covering the moon hoax, UFO's, astrology, and many other topics. Phil Plait's Bad Astronomy . Tackles many astronomy myths and misconceptions like the moon hoax, astrology, Planet X, comets hitting the earth, and much more. Sharing the Universe is based upon work supported by the Informal Education Division of the National Science Foundation under Grant no DRL-0638873. ...

The NTP standard specifies an extension which provides cryptographic authentication of received NTP packets. ... The specification allows any one of possibly 4 billion keys, numbered with 32-bit key identifiers, to be used to authenticate an association. ... In the case of MD5, the keys are 64 bits (8 bytes). xntpd reads its keys from a file specified using the -k command line option or the keys statement in the configuration file. ... A zero key in NTP format would be specified as 8080808080808080 . ...

... Ace the GMAT(R) with the only official study guide from the creators of the exam With 25% brand new content, The Official Guide for the GMAT Review 2016 delivers more than 900 retired questions from the official GMAT(R) exam, complete with answer explanations and a 100-question diagnostic exam to help focus your test preparation efforts. ...

... Questions relevant to "The Great Magnet, the Earth" will be answered, to the extent time allows. If a question seems to be worthy of broader interest, it and its answer (suitably edited) may be added to the list appearing in "The Great Magnet." ... Please do observe the following: . ... Asking about matters which are far beyond the scope of "The Great Magnet." ... Posing a question without first checking if it was answered in the main files of "The Great Magnet" or in the question-and-answer list. ...

grdcut - Extract a subregion out of a . grd file grdcut input _ file . grd -G output _ file . grd -R west / east / south / north [ r ] [ -V ] grdcut will produce a new output _ file . grd file which is a subregion of input _ file . ... The subregion is specified with -R west / east / south / north as in other programs; the specified range must not exceed the range of input _ file . ... grd this is the input . grd format file. G output _ file . grd this is the output . ...

Данный дистанционный консультационный пункт по математике закрыт. ... По-русски вопросы по математике обсуждаются в newsgroup под названием fido7.ru.math. ... Google Answers : форум вопросов и ответов на самые разные темы, в том числе и по математике. Сервис платный (при приеме вопроса посетителя просят внести сумму денег, которая возвращается, если вопрос остается без ответа), но можно как минимум почитать архив вопросов и ответов. На прощание оставляем вам архив старых вопросов и ответов . ...

... The following entity names are used in HTML, always prefixed by ampersand (&) and followed by a semicolon as shown. ... Name Syntax Description Aacute Aacute; Capital A, acute accent Agrave Agrave; Capital A, grave accent Acirc Acirc; Capital A, circumflex accent Atilde Atilde; Capital A, tilde Aring Aring; Capital A, ring Auml Auml; Capital A, dieresis or umlaut mark AElig AElig; Capital AE dipthong (ligature) Ccedil Ccedil; Capital C, cedilla Eacute Eacute; ...

... During the International Year of Astronomy 2009 we would like to conduct a public survey, aimed to see what is the general knowledge of people in Ireland about simple astronomy facts. If you would like to propose any questions for this survey please use the form below: . Please leave this field empty: . ... Proposed question(s):: . International Year of Astronomy, Ireland National Node . ...

To proceed to drawing tracks of some objects select Tracks item in menu bar and then select Input Data in drop-down menu. Enter initial and final dates of time interval in corresponding data fields of the Input Data dialog box Input Data . ... The frame with horizontal and vertical scales corresponding to the right ascension and declination axes appears on screen. ... Depending on specifications introduced in the Input Data dialog box the picture represents tracks up to three different objects. ...

... Credit Copyright: Hubble Legacy Archive , NASA , ESA - Processing: Jos Jim nez Priego Explanation: Dwarf galaxy NGC 5195 is best known as the smaller companion of spiral M51, the Whirlpool galaxy . Seen together they seem to trace the curve and dot of a cosmic question mark , recorded in Lord Rosse's 19th century drawings as one of the original spiral nebulae. Dwarfed by enormous M51 (aka NGC 5194), NGC 5195 spans about 20,000 light-years. ... NGC 3310: A Starburst Spiral Galaxy . ...

. Figure 3. Dark dimmings and bright post-eruption arcades in solar sources of the severest FDs over the solar cycle 23 in SOHO/EIT 195 е fixed-base difference images. The FD magnitude of the strongest disturbances and the dates and time of their registration are specified in the upper right corner of each panel. The dates and time of EIT images subjected to the subtraction are specified at the bottom of each panel.

... We have measured this "redshift" for the pink black holes, and allowed for it in our calculations. ... We see this effect in the emission from gas around these pink black holes, but it is far too small an effect to account for the pinkness. Thus the swirling motions of gas around or into the black holes cannot produc the colour. ... At first we thought that these things were normal blue black holes hidden behind clouds of interstellar dust, that absorbed the blue light and made them appear pink. ...

... Code of participant Assess the color of the stars and mark accordingly it with a "X": White UMi And Ari Cyg Tau Answer: Blue Yellow Red 10. ... Specify direction to the points of intersection of the ecliptic and the equator. ... Observations with telescope 12. Point your telescope to the M45. ... Classify the object as one of the following: open cluster (OC), a globular cluster (GC), an emission nebula (EN) and planetary nebula (PN). ... Estimate the distance between the stars in arc minutes. ...

... Вопрос: . ... А вот про выживаемость человечества в ближайший миллион лет сказать пока сложно. ведущий н.с., д.ф.-м.н. О.В.Верходанов, 08.07.2015 г. Вопрос: Добрый день! Расскажите, как наблюдали (и наблюдали ли?) солнечное затмение 20 марта 2015 ученые в САО РАН. ... Солнечное затмение 20 марта 2015 г. в САО РАН вблизи максимальной фазы. ... Во время затмения 20 марта 2015 г. максимальная фаза в САО составила около 0.25, то есть Луна закрыла собой 25% диаметра солнечного диска. ...

... Все это просим направлять по адресу: 198904 С.-Петербург, Старый Петергоф, Библиотечная пл. 2, Астрономический институт СПбГУ или по электронной почте: viva@pobox.spbu.ru , krivov@astro.spbu.ru и dpa@astro.spbu.ru . Самый же простой вариант -- прислать сообщение прямо отсюда: . ... не обязательно) . ... Тип Вашего сообщения: . ... Текст Вашего сообщения: . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Get to Know the Night Sky . ... Even more questions for a cloudy night . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

Pulkovo NEO Page . ... EPOS Software Package . ... EPOS ( E phemeris P rogram for O bjects of the S olar system) is the Windows PC application for study and ephemeris support of observations of the Solar system objects. ... It controls the part of common data and transfers the control to one of the programs that solve the restricted set of tasks. ... So with the EPOS software package one can calculate the accurate ephemerides for many objects and get the quick illustration of their motion as well. ...

The most up-to-date information related to atmos 3.0 are collected here due to constantly increasing interest to MASS/DIMM processing software... atmos 3.0 is still beta , so the latest version is 2.97.5 (there is also 2.98.x branch which absorbs new features) . ... M' line: . ... free seeing and its relative error . ... dimm seeing and its relative error (if dimm data are present, zeros otherwise) . ... dimm turbulence power and its relative error (if dimm data are present, zeros otherwise) . ...

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