... Уран - седьмая планета от Солнца и третья по размеру. ... Кольцо Урана рассмотреть вообще очень сложно, обычными оптическими средствами здесь не обойтись. ... Уран - старинное Греческое божество Неба, самый ранний высший бог, который был отцом Хроноса (Сатурна), Циклопа и Титана (предшественников Олимпийских богов). ... Как у Земли, Юпитера и Сатурна, у Урана есть магнитный хвост, состоящий из захваченных полем заряженных частиц, растянувшийся на миллионы километров за Уран от Солнца. ...
... Astronomy Discussion Forums . Forums: . ... I Don't Mind You Saying That.. I did Say It Too Simply . ... Post Message | ... Posted by M.W.Pearson on November 26, 2002 19:08:59 UTC . ... Advanced math is like bus driving in that it requires significant training. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
... This is done by incorporation of the inverse weighting matrices and into the quadratic error term . The Toeplitz matrix determines a linear shift invariant regularization function: . ... Application of matrix differentiation rules and some matrix algebra show that the diagonal elements of the optimal diagonal matrices must be equal to the diagonal elements of the previously determined optimal general weighting matrices so that . ... is estimated from the measured data. ... Therefore we estimate: . ...
... About me . ... Prof. Petko Nedialkov Area of Study : Astronomy Astrophysics MSc in Astronomy and Astrophysics , University of Sofia, Bulgaria ( 2009 - 2010 ) Thesis Topic: Photometric study of the open cluster NGC 957 Supervisor: Head Assistant Prof. Evgeni P. Ovcharov Area of Study : Astronomy Astrophysics Employment: Dates: 01.02. 2010 - present Bulgarian Academy of Sciences, Institute of Last update: Saturday, October 9, 2010 . ...
Getting Rid of The Theory of Evolution . ... Two months earlier, the Kansas School Board of Education voted to remove all references to evolution from its new science curriculum. ... In astronomy we cannot talk about evolution in general without being more specific?stellar evolution, galaxy evolution, planetary evolution. ... The National Academy of Sciences published a document for teaching evolution in science classes. ... High School Students Take a Shower . ... Education . ...
... Previous: Implementation Design of the ASC Data Model . ... We describe a coordinate library for AXAF data analysis. The library handles transformations between celestial coordinates and instrumental (mirror, focal plane, detector pixel) coordinate systems. ... Pixlib library is intended to perform AXAF Science Center (ASC) coordinate system data analysis. ... At the present, the library affords more than 50 transformations among ~20 ASC coordinate systems. ... is zero matrix and I unit matrix. ...
... However, the feed matrix MF can radically change the polarization state; for example, as we shall see a dual-circular feed changes the order of the Stokes parameters in equation 1. ... We have Q src = P src cos 2PA src (8a) U src = P src sin 2PA src (8b) P src = (Q 2 src + U 2 src ) 1=2 (8c) PA src = 0:5 tan 1 U src Q src (8d) { 5 { As we track a source, the parallactic angle PA az of the azimuth arm rotates on the sky. ... LBW LBW is a very wide band feed with native linear polarization. ...
... Вы можете опубликовать Ваши материалы на сайте www.astroproject.info! ... Ведется работа по добавлению интерактивных карт SKY-MAP в каталог DSO. ... Сайт принят в каталог DMOZ! Через несколько недель после подачи заявки, сайт "Астрономия и астрономические наблюдения" был принят в каталог DMOZ - самый важный мировой каталог интернет ресурсов! ... Закончен начальный этап развития сайта, включивший создание каталога для городских наблюдений, форума и регулярного обновления новостей. ... Выход сайта . ...
... Молекулярно-пучковая эпитаксия и исследование фундаментальных физических свойств низкоразмерных полупроводниковых гетероструктур (квантовых ям, серхрешеток, квантовых точек) на основе: . ... широкозонных полупроводниковых соединений А 2 В 6 , а также ZnO, для оптоэлектроники видимого и УФ спектрального диапазона и фундаментальных исследований в области спинтроники; . А 3 -нитридов для оптоэлектронных применений в видимой и УФ области спектра, а также для исследований в области плазмоники. ...
... Behemoth black hole found in an unlikely place . Gravitational wave search provides insights into galaxy evolution and mergers . ... black holes . ... Supercomputer black hole collisions make fake gravitational waves . ... The waves sap orbital energy from the black holes, which then circle each other ever more closely. ... Tracking two black holes as they spiral into collision demands the full-blown equations of general relativity with no tricks or simplifications. ... Black hole weirdness . ...
... This oral history session is being conducted with Henry Cole at NASA?s Ames Research Center in Moffett Field, California, as part of the NACA [National Advisory Committee for Aeronautics] Oral History Project, sponsored by the NASA Headquarters History Office. ... One of the things I like to mention is that whenever I gave a talk with NACA, much later, we rehearsed everything, and this is non-rehearsed. ... From Ames, he went to work for Boeing, and that was one thing about NACA. ... Cole: No. ...
Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... Data Processing 1.1. ... Select Zero Order Sources/Find Observed Target In order to find where the dispersed photons lie, the center of the zero order source position on the sky must be determined, since this is the origin of the spectral coordinates. ... For the HETG grating data, the relevant parts for each source are: zero order, MEG photons, HEG photons, and background photons. ...
[
Текст
]
Ссылки http://www.stecf.org/conferences/adass/adassVII/reprints/alexova.ps.gz -- 101.1 Кб -- 12.06.2006 Похожие документы
... One thing I did do was to give a star party at my church as a fundraiser. ... Amateur Astronomers Association of Princeton Space Shuttle Discovery Blasts off On Final Flight In a truly dramatic finale to her very last launch, Space Shuttle Discovery blasted off to space at 4:53 p.m., Thursday, Feb. 24, with just two seconds to spare after an unexpected last minute computer glitch with Air Force tracking computers threatened to delay the liftoff yet again despite otherwise perfect launch conditions. ...
[
Текст
]
Ссылки http://www.princetonastronomy.org/newsletters/03_2011sidereal.pdf -- 2740.1 Кб -- 02.03.2011 Похожие документы
... The 3.5-m optics have worked well on-axis where most of the science instruments are mounted, but the off-axis guide camera has some limitations which are due essentially to poor collimation of the telescope. ... This paper reports on my study of the problem of collimating the APO 3.5-m telescope. ... Most people understand that to collimate the telescope means to set the tilt and translation of the primary and secondary mirrors so that their axes are parallel and intersect each other's vertex. ...
Journal of the Amateur Astrono mers Association of New York April 2011 Volume 59 Number 4 ISSN 0146-7662 EYEPIECE than 1,200 "active planetary candidates." ... Of the dwarf stars, about 19% of them have planets, with orbital periods less than 125 days. ... It lies above Spica in early evening, between the stars Gamma and Theta Virginis. ... April's Constellations. ... I will discuss use of solar-system r esources to improve life on Earth, especially methods of diverting threatening asteroids. ...
[
Текст
]
Ссылки http://www.aaa.org/EyepieceFiles/aaa/2011_04_April_Eyepiece.pdf -- 321.9 Кб -- 22.02.2015 Похожие документы