... 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). ...

. All pictures, which you can see here, can not be published whithout Youth Space Center authorization! . Tour of Baikonur Spaceport. April 1997 (from video) . The same (photos) . YSC in Florida: Kennedy Space Center, Embry-Riddle Aeronautical University, EPCOT, etc. November 1995 . Monino aviation museum (Moscow region) . Space hardware we have seen. People, events, places... Moon on a Stick,UK,2001 .

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