Translation of "Planetario" in English

¿Qué efecto tendría ese alineamiento planetario?

What effects would planetary alignment have?

Para visitar cada sistema planetario en la galaxia.

to visit every planetary system in the galaxy.

Comenzando con las leyes de movimiento planetario de Kepler

beginning with Kepler's laws of planetary motion

Estábamos en el museo comprando tickets para el planetario,

were at the museum buying planetarium tickets,

Acá se ve la célebre tercera ley de Kepler del movimiento planetario.

Shown here is Kepler's celebrated third law of planetary motion.