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proper motion
 proper motion
astr. vlastní pohyb
in | declination
 declination
astr. deklinace

to phrases

proper motion

['prɔpə'məuʃ(ə)n]
astr. vlastní pohyb
 English thesaurus
Proper Motion ['prɔpə'məuʃ(ə)n]
sport., abbr. PM
proper motion
: 7 phrases in 1 subject
Astronomy7

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