... 23.04.2006 . ... Credit: Nigel Sharp ( NSF ), FTS , NSO , KPNO , AURA , NSF Explanation: It is still not known why the Sun's light is missing some colors. Shown above are all the visible colors of the Sun , produced by passing the Sun's light through a prism -like device. The above spectrum was created at the McMath-Pierce Solar Observatory and shows, first off, that although our yellow-appearing Sun emits light of nearly every color , it does indeed appear brightest in yellow-green light. ...

Numerical simulation of electromagnetic scattering by morphologically complex objects Janna M. Dlugach*, Michael I. Mishchenko** *Main Astronomical Observatory of the National Academy of Sciences of Ukraine, Kyiv, Ukraine **NASA Goddard Institute for Space Studies, New York, USA Radiation mechanisms of astrophysical objects: classics today 21 ­ 25 September, 2015, St.Petersburg. ... Phase angle dependence of the degree of linear polarization for the center of the Jovian disk. ...

... Free stuff may be downloaded for educational and non-profit making uses. ... Armagh Planetarium partnered with Blackrock Castle Observatory and Discover Science and Engineering (DSE) is pleased to announce 'Space Brains' This free download is the ultimate app for all space enthusiasts. ... Belfast Telegraph and Armagh Planetarium Space Odyssey Poster . ... Mouse over thumbnail to view a small preview, download full size PDF document from text links below. ... Download Sun and Stars PDF (Size 1.25MB)...

... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

... Star Atlas . ... stars . ... If neutron stars don't produce energy from fusion, like normal stars, how can they shine in visible light? ... Although it is true that neutron stars have, for the most part, consumed all their internal thermonuclear fuel, they tap into other energy sources to produce light. Indeed, neutron stars are remarkably "resourceful" and employ a variety of physical mechanisms to make themselves visible.A newborn neutron star is incredibly hot ? ... Atlas of the Stars . ...

Sternberg Astronomical Institute, . ... Moscow 119992, . ... TEL: 7(495)9392245 . FAX: 7(495)9328841 . E-MAIL: koptelova@xray.sai.msu.ru . MSc degree at Far Eastern National University , Institute of Physics and Information Technologies . PhD degree at Moscow University , Sternberg Astronomical Institute . ... Last modified: by koptelova@xray.sai.msu.ru ...

... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

... X-ray analysis data of protein crystals will be used to develop new-generation medicines. ... An evaluation of space flight factors impact on the viability and development of embryonic and stem cells. ... Investigation of effect of microgravity on the mechanism of action of Vitamin D in osteoblasts. ... Effects of space flight environment on the lactolen producer strain. ... Effects of space flight environment on the expression of strains producing interleukins 1 , 1 , aryl. ... Cells In Space. ...

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

... 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). ...

Главная > . ... В издании подробно рассказано о появлении воздушно-космических аппаратов - от первых самолетов с ракетными двигателями времен II Мировой войны до начала реализации программ Space Shuttle и " Энергия-Буран ". ... Любое использование любых материалов с сайта ( http://www.buran.ru ) или из мультимедийной энциклопедии "Буран" (на носителях CD-R om , DVD-Rom или BD-Rom ) в коммерческих или рекламных целях возможно только с письменного разрешения web-мастера ( Лукашевича В.П. ). ...

... The defining location and structure of airglow needs tomographic processing of data of photometric measurements. ... Both observed function of column brightness and volume emission rate function of airglow may be expanded in a Fourier series. ... There are developed software and made numerical simulation for tomographic data processing. ... In this case airglow has gaussian profiles on both coordinates altitude and latitude. ... Total number of simulated observations is 320. Fig. ...

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