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Seeks to rehabilitate dialectical materialism by discussing the "parallax gap," which separates two points because of the displacement of an object resulting from a change in observational position.
作者簡介
Sergei Krikalev is a Cosmonaut who has flown as a flight engineerand mission specialist on the MIR Space Station and joint UnitedStates/Russian Space Shuttle missions. For his flight experiencehe has been awarded the titles of Hero of the Soviet Union, theOrder of Lenin, the French title of L'Officer de la Legion de Honneur,and the new title of Hero of Russia. He was also awarded the NASASpace Flight Medal in 1994 and 1998.
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