👉 The term "zenithal" in astronomy refers to an astronomical object that is at its highest point, usually indicating the peak or summit of a mountain. It can be used as a noun or adjective depending on the context and meaning. For example: - A "zenithal" mountain may have a height that indicates its peak. - "Zenithal" objects are those at their highest points in the sky. In summary, "zenithal" is an astronomical term referring to a