Translation of "Observatory" in French

This was his observatory.

Voici son observatoire.

At his observatory in Flagstaff, Arizona.

dans son observatoire de Flagstaff, en Arizona.

Carrying the Chandra X-Ray Observatory,

transportant l'observatoire de rayons X Chandra,

And this was the first observatory located remotely

Et ce fut le premier observatoire suffisamment éloigné

He built an observatory to study the stars.

Il construit un observatoire astronomique pour étudier les étoiles.

A regional observatory will be directed to monitor the execution of the plan.

Un observatoire régional sera chargé du suivi de la mise en œuvre du plan.