ASTROMETRY
\astɹˈɒmətɹi], \astɹˈɒmətɹi], \a_s_t_ɹ_ˈɒ_m_ə_t_ɹ_i]\
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the branch of astronomy that deals with the measurement of the position and motion of celestial bodies
By Princeton University
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the branch of astronomy that deals with the measurement of the position and motion of celestial bodies
By DataStellar Co., Ltd
By Oddity Software