... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit–їs . des reportages . ... les plus belles images de l'Univers d–їcrypt–їes pour vous . ... Accueil Des Journ–їes du patrimoine tr–Rs astronomiques . ... Les 15 et 16 septembre 2012, profitez des 29e Journ–їes europ–їennes du patrimoine pour visiter les hauts lieux de l'astronomie! ... 05/08/2015 - 2015 : un grand cru pour les Nuits des –Йtoiles . ... 08/08/2013 - Les Nuits des –їtoiles 2013 : cвАЩest parti ! ...

... GALAXY: A galaxy is made up of billions or trillions of stars bound together by their own gravity. ... HELIUM (He): The second element in the periodic table, has 2 protons, 2 neutrons, and is a noble gas. ... Helium melts at -272.2 degrees Celsius, and boils at -268.934 degrees Celsius. ... HYDROGEN (H): The first element on the periodic table, is a gas, and has an atomic mass of 1.00794 amu. ... Hydrogen melts at -259.34 degrees Celsius, and freezes at -252.87 degrees Celsius. ...

... ОПЕРАЦИЯ "КЕДР" . Летом 1964 г. космодром начал подготовку к встрече партийно-правительственной делегации Советского Союза. ... Цель данного мероприятия - демонстрация мощи ракетно-ядерного щита и космической техники нашего государства. ... Встреча делегации готовилась под кодовым названием - Операция "Кедр". ... Наша часть 33797 (командир А. Г. Гонтаренко) готовилась по тематике С. П. Королева. ... В. И. Петушков привез в МИК КО китайские термоса под какао. ... Часть вошла в обычный ритм жизни. ...

... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...

... A non-linear relationship is observed between the sky brightness on clear and overcast nights, with a change in behavior near the rural to urban landuse transition. ... The great variation in skyglow radiance observed from site-to-site and with changing meteorological conditions underlines the need for a long-term international monitoring program. he introduction of artificial light has caused an unprecedented disruption to the nighttime environment over large areas of the Earth. ... Data processing...

... Official logo of the VSM - Who and Where? What's here? ... This site's goal - The Virtual Space Museum is currently located at the Computing Center of Russian Academy of Science ( CC RAS ). ... Here you'll find mainly VRML models of Russian spacecraft and launch facilities. ... The VSM's goal is to let you see all the Russian cosmonautics rather than to provide you with encyclopaedic information. If you need figures and descriptions, try sites listed in the Links section. ...