Concept information
Término preferido
proper motion
Definición
- The apparent motion of a star across the sky (not including a star's parallax), arising from the star's velocity through space with respect to the Sun. Proper motion is usually tabulated in star catalogs as changes in right ascension and declination per year or century. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=proper+motion&formSubmit=Search&showAll=1)
Concepto genérico
En otras lenguas
-
francés
URI
http://data.loterre.fr/ark:/67375/MDL-L4MLB69Q-0
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