Définition et sens de Parallax
Que veut dire Parallax? Trouvez ici 2 définitions du mot Parallax. Vous pouvez également ajouter une définition de Parallax.
1 |
0
0
Parallaxis the angular difference measured when a star is observed once then six months later, i.e. when the Earth has moved along half a rotation around the Sun. From this notion, the astronomers have defined a distance unit the Parsec (pc): 1 pc is the distance for which one astronomical unit is seen as an angle of one arc second. This distance is of abo [..]
|
2 |
0
0
Parallaxparallaxe
|
| << Perigee | Magnetosphere >> |