Astronomy Picture of the Day . Descent To Jupiter . ... Hours ago, at about 5:00 pm EST (2200 GMT) December 7, Galileo's descent probe slammed into Jupiter's atmosphere. ... The above picture by the Hubble Space Telescope of the center of the nearby galaxy NGC 4261 tells us one dramatic tale. ... A leading candidate is a type of dim, low mass star called a "brown dwarf" star. ... In the center of the above photograph lies a star with one of the hottest surface temperatures yet confirmed. ...

I'm glad you're interested in collaborating on the ConcepTests for Astronomy WWW database project! ... I'm looking forward to your contributions! ... a) high luminosity, high temperature to low luminosity, low temperature . b) high luminosity, low temperature to low luminosity, low temperature . c) high luminosity, low temperature to low luminosity, high temperature . d) high luminosity, high temperature to low luminosity high temperature. ... Back to Paul Green's Peer Instruction page. ...

... FAQ | ... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . Available Languages: en | ... The latest version of this FAQ is always available from the main Apache web site, at < http://httpd.apache.org/docs/2.2/faq/ >. ... If you don't find the answer to your question in the below sections, please also consult the Apache 1.3 FAQ to see if your question is answered there. ... Background information about the Apache HTTP Server. ...

Q: Are the magnitudes in the ETCs AB or Vega magnitudes? ... Q: How is the signal to noise defined? A: In optical and infrared imaging, the applications display a signal to noise over the PSF area, which is computed in a circle of radius seeing/plate_scale. ... In optical imaging only, a second signal to noise is computed which is the signal to noise at the central pixel. ... A: The template spectra stored in the database are measured or simulated spectra covering different wavelength range. ...

... Great oppositions. ... Proxima Centauri. ... Scientists proved that the problem of preserving the Earth's climate and the annual change of seasons can be solved by a small star, negligible mass, but similar to a main-sequence star, moving in a circular orbit around the Sun. ... Sombrero Galaxy. The Sombrero Galaxy, M104, is known as a holder of one of supermassive black holes. ... Roughly estimate the approximate mass of the supermassive black hole in the center of M104 (answer in solar masses m). ...

... Colorful Glimpses of Alien Worlds -- detecting exoplanets with precision radial velocity spectroscopy . Gabor Furesz . Thursday, Nov 10, 2011 at 8:00 PM . ... exoplanet candidates through the transit method. ... In my talk I will give a short summary about the current state of . ... about the design challenges an instrument builder faces when trying to . ... the near future, the era of the Giant Magellan Telescope for what the CfA . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... 8) Why does WolfEdit crash when I fill a large area? ... Use one of the four "man pointing a gun" icons in the top left corner of the palette. ... Use the Lift Control Panel item. You can only have a control panel which faces east or west - the north or south face will appear as a lift side panel, although it will work as a control panel. Similarly, a lift side panel viewed from the east or west will appear as a control panel, but won't work as one. ... Because you used the Get Info... box. ...

... 101) Байки из Фидо (7) Литература (16) Листая страницы прошлого Выберите месяц Апрель 2016 (2) Март 2016 (4) Февраль 2016 (4) Январь 2016 (5) Декабрь 2015 (4) Ноябрь 2015 (3) Октябрь 2015 (5) Сентябрь 2015 (5) Август 2015 (5) Июль 2015 (5) Июнь 2015 (4) Май 2015 (8) Апрель 2015 (5) Март 2015 (4) Февраль 2015 (4) Январь 2015 (7) Декабрь 2014 (7) Ноябрь 2014 (4) Октябрь 2014 (5) Сентябрь 2014 (8) Август 2014 (8) Июль 2014 (6) Июнь 2014 (7) Май 2014 (11) Апрель 2014 ...

... 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: . ...

are denoted by the following symbols and may be taken to have the values below Elementary charge Speed of light in vacuum Planck constant Permeability of vacuum Permittivity of vacuum Unified atomic mass constant Rest mass of proton Rest mass of electron Boltzmann constant Avogadro constant Gravitational ... Write down the expression for the gravitational field, g, at distance r from a point mass of mass m, carefully defining all the terms in your expression. ...

Home About Meade Product Information Dealer Locator Customer Support Investor Relations Dealer Support Employment Opportunities Site Map . Meade Instruments Corp. ... Frequently Asked Questions . Telescopes & Astronomy FAQs . LX200GPS FAQs . ETX FAQs . CaptureView FAQs . ... Choosing a Telescope . ... about meade | ... dealer support | ... The name Meade, the Meade logo, are trademarks registered with the United States Patent Office, . ... Copyright 2006 Meade Instruments Corp., ...

... Bad Astronomy . ... Bitesize Astronomy . ... Mad Science . ... Site Info . Search the site . ... They have collected many scientists from around the world and let them answer questions by anyone who has one, including everyone from grammar school children to adult professionals. ... According the to search engine at the Mad Scientist's lair , I have answered about 100 questions since 1996. ... A new feature at the Mad Scientist Network lets you search for questions I have answered . ...

... Dear teachers and guests of our site, if you are interested in the work of our teachers (foreign language teachers in particular) you may contact us through Internet. ... The teachers not only use computers for presentation of the new material, but also organize the system of checking students' knowledge. ... Every grade organizes a firm, chooses the activity, approves of the staff of the firm. ... The students also plan expenditure on scientific and research activities and advertisement. ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Space Flight . ... April . ... June . ... Posted on April 7, 2016 | 2 Comments Armstrong and Aldrin were the first two people on the Moon when Apollo 11 landed there in July 1969. ... Continue Reading.. ... Posted on September 3, 2015 | ... Posted on August 18, 2015 | ... Posted on June 25, 2015 | ... No Comments June is finally upon us, and the summer is officially in full swing. ... Posted on May 22, 2015 | ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Accueil Lire/Voir/Ecouter Lire/Voire/Ecouter . ... Lire/Voir/Ecouter . ... Ne boudons pas notre plaisir : pour quiconque s'intУ?resse au genre, voir entrer la science-fiction Уљ la CitУ? des sciences et de l'industrie, dans le cadre d'une exposition qui doit durer jusqu'au 3 juillet 2011, est une vraie satisfaction. ... Toutes ces questions sont abordУ?es dans un livre servi par une iconographie soignУ?e, estampillУ?e Ciel & Espace ! ...

The main task of the multimedia lectures "Life of the Earth in the Solar Atmosphere" is to introduce wide range of users to the basic physical characteristics of the Earth, the near-Earth space and the Sun, which mainly forms the properties of the mentioned objects and is responsible for their variations (so-called "space weather"). ... Middle atmosphere of the Earth. ... Radiowaves' passing and spreading in the Earth atmosphere. ... Space radiation passing through the Earth atmosphere. ...

ON THE CORRELATION BETWEEN SPECTRA OF SOLAR MICROWAVE BURSTS . AND SPECTRA OF PROTON FLUXES NEAR EARTH . ... which is equivalent to the power-law index of the integral energy spectrum of protons registered near the Earth orbit in a range of 10-100 MeV , on the one hand, and parameters of microwave bursts such as a ratio of peak fluxes at two frequencies (e.g., 9 and 15 GHz) and a microwave peak frequency f m as well. ...