... 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. ...

... Сегодня: 10 апреля 2016 г. Исследовательский центр NASA Ames Research Center в Маунтин Вью (Калифорния, США) открыл в виртуальной вселенной Second Life собственный остров. ... Об открытии виртуальной зоны NASA руководитель проекта Саймон Уорден объявил на очередной ежегодной конференции International Space Development, которая прошла в минувшую субботу в здании Национального космического общества (NSS). ... NASA открыло исследовательский центр во вселенной Second Life . ...

MODEL M4 - UMBRAL MODEL, modification of the SW75 model Kollachny et al. M4 (1980) A&A V.86,P.245-247 COLUMNS 5 LINES 10 LGT TAU TEMP TETA PG LGPG PE LGPE h ------------------------------------- LGT T PG PE H[KM] -4.0 3065. 1.4E+03 8.5E-03 402 -3.5 3100. ... 2.3E+04 1.3E-01 202 -1.5 3450. 3.9E+04 2.6E-01 152 -1.0 3580. 8.3E+04 5.8E-01 103 -0.5 3730. 1.66E+05 1.1E+00 48 0.0 4180. 2.77E+05 3.8E+00 0 0.5 4830. 4.35E+05 1.5E+01 -48 1.0 6080. 6.67E+05 8.7E+01 -103 ...

Sternberg astronomical institute activities on site testing programs review Victor Kornilov comprehensive/characterization/of/astronomical/sites > kislovodsk/russia/2010/october/4-9 > Introduction This presentation responds on our activity in 5 last years only, inspite of that in SAI site testing researches have been started many years ago. ... More detailed discussion is devoted to MASS and DIMM measurements processing, some additional effects which were taken in account in last year. ...

University Satellites and . Space Science Education . ... SYSTEM OF MEASUREMENT OF THE CHARGE S/C Foton-M #2 . ... The charging of the space vehicles and their elements leads to failures of an electric equipment. ... The charging of S/C occurs as a result of influence on its surface of some the factors, in particular surrounding space plasma and solar electromagnetic radiation. ... Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2005-2006 . ...

The Official Publication of the Amateur Astronomers Association of Princeton Director Ludy D'Angelo 609-882-9336 ludy@princetonastronomy.org Assistant Director Jeff Bernardis ... .com Editor Michael Wright (609) 371-5668 editors@princetonastronomy.org Also online at princetonastronomy.wordpress.com Volume 40 April 2011 Number 4 From the Director What does it mean to do astronomy ... It takes time. ... This second installment covers the telescope itself and its maker, Henry Fitz. ...

... Personne n'avait oubliР? que, par sa dР?pР?che du 30 septembre, Michel Ardan demandait une modification aux plans arrР?tР?s par les membres du ComitР?. ... Michel Ardan ne se souciait pas de voyager Рњ la faРћon des Р?cureuils; il voulait monter la tР?te en haut, les pieds en bas, ayant autant de dignitР? que dans la nacelle d'un ballon, plus vite sans doute, mais sans se livrer Рњ une succession de cabrioles peu convenables. ... Il ne lui manquait que des meurtriРеres et une girouette. ...

Journal of the Amateur Astronomers Association of New York February 2008 Volume 56 Number 2, ISSN 0146-7662 EYEPIECE Will Dark Energy Become Less Mysterious? ... The National Academy of Sciences has endorsed further evaluation of three concepts for Joint Dark Energy Missions for a possible new "Hubble-class" space telescope, Riess observed. ... The Moon will be in Leo as it was last March, but will be picturesquely placed between the bright star Regulus and the ringed planet Saturn. ...

... Declined commitment to national space programs and drastic cuts in ICBM demand create a strong economy-driven trend to proliferate missile and space-related technologies to new markets. ... to establish a regime to provide space launch services to potential proliferators as an incentive against development of rocket launch capabilities of their own. ... Under such a condition new space powers definitely would not give up the development of independent space launch capabilities. ...

... The "Mir" and cargo ship "Progress M1-5" operations scheduled for Feb.5-6 completed. The Station and the cargo ship onboard systems cheched out, the orbit radiomonitoring performed. The Station spinning rate is updated to provide enough power generation. The Station is kept spinning about longitudinal axis with the angle rate 0,15 degrees per second its MCS (motion control system) in free drift. The station is pressurized, the onboard systems perform nominal. ...

... The spectrum of the brightest star, our Sun, shows several dark gaps perpendicular to the flow of it’s colours (figure 1). These so called spectral absorption lines where discovered in 1802 by the English scientist William Wollaston. ... Some stars as Pollux show a spectrum similar to that of our sun with strong Ca II and Fe II lines, others as Sirius or Vega show strong absorption lines of hydrogen, others, as Mira show very complicated spectra due to molecular absorption lines (see figure 5). ...

The paper presents the 'Neptune-ME' information display system (IDS) as a spaceman console (SC) of the descent module of the 'Soyuz -TMA' piloted transport spaceship, and the integrated console (IC) of manual control loop for module equipment in the Russian segment of the 'Alpha' international space station. ... to control spaceship systems; . ... An integrated control console (ICC) which is hardware and software compatible with a IBM PC, is suggested as a basic console for the manual control loop. ...