apastra

См. также в других словарях:

• apastron — /euh pas treuhn, tron/, n., pl. apastra / treuh/. Astron. the point at which the stars of a binary system are farthest apart (opposed to periastron). [ < NL < Gk ap AP 2 + ástron star, constellation; on the model of APOGEE] * * * …   Universalium