Next: Extinction properties (transmitted radiation) . ... The notes in their current form concern only 2 but main for astronimy aspects of the optical properties of cosmic dust - the ability to extinct and polarize transmitted radiation. The corresponding obervational effects the extinction and polarization (not due to scattering) plaied and plays till now the primary role in astrophysical effects of cosmic dust considered in the literature. ... Extinction properties (transmitted radiation) . ...

Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...

. Caption above photo . John Korienek/FNL beigns work on installing the final mapping station hardware. Dave Goloski and Jerry Zimmerman (both from FNL) will be joing in on the fun over the weekend. Final installation pictures will be available next Tuesday. Photos taken by Gretchen Van Doren/APO.

UNIXhelp is available for anybody to use on the World Wide Web . However if you are based outside Edinburgh, you may find each page slow to load across the network. We would recommend installing a copy at your local site. ... The main distribution site appears below but there may be an mirror of the distribution closer to you. ... Contact the UNIXhelp maintainer if you can help. The Copyright for the UNIXhelp deliverables rests with the Computing Services of the University of Edinburgh. ...

... Yes, Exploding Comet 17P/Holmes is one of the strangest things ever seen by astronomers - professional and amateurs alike. ... We also had some club members who received some Astronomical League awards...and we'd like to congratulate them! ... It is again a potluck, and is being held at the Masonic Temple in Galion ( 1252 State Route 598, Galion , OH 44833) Here's a map: Map of 1252 State Route 598 Galion, OH 44833-9367, US And, along with the party come RAS elections for 2008! ... Comet 17P/Holmes ...

The 2dF QSO Redshift Survey (2QZ) . ... Before jumping into all the finer details of teh survey, a brief non-astronomer's guide to redshift surveys is available. ... The primary scientific aims of the QSO survey are: (1) to obtain the primordial fluctuation power spectrum out to COBE scales, (2) to determine the rate of QSO clustering evolution in the non-linear and linear regimes and hence obtain new limits on the value of and the bias parameter, (3) to apply a powerful geometric method to measure . ...

Space VLBI Mission RadioAstron Announcement of Opportunity -- 1 for the period July 2013 ­ 30 June 2014 Key Science Program ( KSP ) Final Notes Proposals Due: 8 February 2013, 23:59 UT 1 RadioAstron KSP meeting follow-up Based on the fruitful discussions, questions and suggestions from the RadioAstron Key Science program meeting in Bonn (December 3-4, 2012), we would like to emphasize the following specific aspects for the preparation of the AO-1 ...

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Wednesday, February 15th, 2012 . ... Monday, February 13th, 2012 . ... Сделать это можно использую Map Tools проекта SOPAC (http://sopac NULL .ucsd NULL .edu/maps/) . ... Wednesday, February 8th, 2012 . ... You are currently browsing the Лаборатория лазерной интерферометрии blog archives for February, 2012. ... Наши публикации . ... Публикации за 2010 . Публикации за 2011 . Публикации за 2012 . ... February 2012 . ... Лаборатория лазерной интерферометрии is proudly powered by WordPress . ...

... Alfred Merrill Worden . NASA Astronaut (former) . ... Married to Jill Lee Worden (Hotchkiss). ... He served as a member of the astronaut support crew for the Apollo 9 flight and as backup command module pilot for the Apollo 12 flight. ... Scott and Irwin collected approximately 171 pounds of lunar surface materials on their three expeditions onto the lunar surface; and Worden logged 38 minutes in extravehicular activity outside the command module, "Endeavour." ...

. Предисловие. Введение. Глава 1. НЕМНОГО ТЕОРИИ. 1. Свет, оптические детали и характеристики систем. 2. Конические сечения. Поверхности вращения. 3. Как работает телескоп? . 4. Простейший телескоп. 5. Аберрации. 6. Ахроматические линзы. 7. Идеальный объектив и тонкая структура изображения. 8. Разрешающая сила телескопа. 9. Предельные увеличения телескопа. 10. Эффективность телескопа. 11. Типы телескопов.

... The bright supernova (hereafter SN) in the galaxy NGC 4527 was first sighted by S. Knight (USA) on April 13.17UT at magnitude ~14.0v. The report of the sighting was subsequently forwarded by phone to the AAVSO. ... SN 1991T. The galaxy NGC 4527 is an Sb(s)II type galaxy with an apparent Blue magnitude of 11.32 (Shapley-Ames, 1981). ... An analysis of this event utilizing visual observations by amateurs, plus a light curve is presented.. ... THE LIGHT CURVE: . ... ISN SN 1991T web page . ...

... Comments: 4 pages, 1 figures, appears in "Neutron Stars in Supernova Remnants" (ASP Conference Proceedings), eds P. O. Slane and B. M. Gaensler, 200 . Дается короткий обзор наблюдений остатков сверхновых на спутнике ROSAT. ... astro-ph/0208498 . ... Открытие разрешенного остатка сверхновой в M31 с борта Chandra (The Discovery of a Spatially-Resolved Supernova Remnant in M31 with Chandra) . ... Нейтронные звезды в остатках сверхновых и снаружи (Neutron Stars in Supernova Remnants and Beyond) . ...

Nickolai Copernic: "making the Sun stop, pushing the Earth". ... The aim of Copernic's investigations is improving the calculating schemes. ... In heliocentric system appeared an opportunity of calculating real proportions of Solar system using the radius of the Earth's orbits as an astronomical unit. Copernic's book "About Rotation of Celestial Bodies" contains a discription of astronomical devices as well as a new more exact catalogue of stable stars. ...

Next: The course and unit level Up: Ceilidh - On Line C Tutoring System Previous: Introduction . ... To enter the system at the general level, the appropriate command (which should have been set up by your computer systems administrator) is . ... q quit this session fs find student | ... text ceilidh only) in X the courses available appear on main window.This command tells you which courses are available and supported by the Ceilidh system, their full title and their abbreviation. vp . ...

To construct frequency distribution (histogram) of minor planets according to value of some element/ parameter/ function user should first select Elements item in menu bar and then Histogram in drop-down menu. ... User has possibility to save histogram or to print it using standard means. To save the file select File item in menu bar and then Save As... in drop-down menu. ... To print histogram select File item in menu bar and then take advantage of options Print Preview , Print Setup , Print . ...

Regions designation | Regions models | ASCII files description . The real time visibility of the IB_TAIL relative to the Evpatoria and Panska Ves . ... The real time regions passing . ... The IB_TAIL geocentric distance as a function of the Moscow time (MT = UT + 3h) (Plot) . Geomagnetic local time in the IB_TAIL position as a function of the MT (Plot) . The IB_TAIL orbital data ASCII files . ... INTERBALL mission  ...

... A rough estimation is that in the United States there is one planetarium per 100,000 population, ranging in size from the Hayden Planetarium's 20-meter dome seating 430 people, to three-meter inflatable portable domes where children sit on the floor. ... Together dblo associates make a huge impact in the architecture, interior design and development arena in London. ... With the holidays around the corner what better way to spoil your family than with your very own private home cinema. ...

... Structure of Data . ... Catalog . ... The SAI OCL Catalog site provides several VO-enabled modes of operation: . VO-enabled catalog data analysis from a browser . ... Endpoint URL is http://ocl.sai.msu.ru/catalog/conesearch/ . ... VO-enabled catalog analysis from a browser . Presently, this recipe works with Firefox (Windows, MacOS, Linux), Internet Explorer (Windows) and Opera (Windows) browsers with Java plugin 1.6 installed. ... Main TOPCAT window with SAI OCL catalog loaded will appear. ...

... Moon Phase below . ... ARTICLE: Why the moon always shows us the same face . ... Before you continue reading, you should know that this was not always the case, i.e. the Moon once was rotating with respect to the Earth, so that on every night a terrestrial observer (if there was one, because this was long, long before mankind appeared on our planet, and even before any major animals had appeared) saw another face of the Moon. ... Figure 1 (not to scale) shows how we can imagine the system Earth-Moon...