astrometri

astrometri

The branch of astronomy that deals with measuring the positions of celestial objects, especially stars. Astrometrists measure parallaxes and proper motions, which allow astronomers to determine the distances and velocities of the stars.

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Parte del discorso: sostantivo
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Settore/Dominio: Astronomia
Categoria: Astronomia (generale)
Company: Caltech
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