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http://www.issp.ac.ru/iao/1999/problems/vi99us_e.html.
http://www.issp.ac.ru/iao/1999/problems/vi99us_e.html.
1. III International Astronomy Olympiad, Problems to solve
Text of these problems is available also in other languages : . ... What can one see in the Moon's sky more often - the Sun or the Earth? ... There are about of 250 millions of stars in the elliptical galaxy M32 (a satellite of Andromeda galaxy). ... The masses of Capella's components. ... You are proposed to estimate the masses of Capella's components, using our observational data. ... A galaxy's mass. ... Estimate the mass of FGC 1908 and compare it to the mass of our galaxy. ...
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Ссылки http://www.issp.ac.ru/iao/1998/problems/vi98us_e.html -- 13.6 Кб -- 15.04.2011
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