English translation for "observation du ciel"

observational astronomy

Similar Words：

"observation de la lune" English translation, "observation des baleines" English translation, "observation des oiseaux" English translation, "observation des satellites artificiels" English translation, "observation des élections" English translation, "observation du fond diffus cosmologique" English translation, "observation du soleil" English translation, "observation hill" English translation, "observation millimétrique" English translation