query: المراصد القديمة تكون في العادة ما هياش صالحة للاستخدام اليومي، وتبقى كمتاحف ولا مواقع تعليمية.
positive: Pre-modern observatories are usually obsolete today, and remain as museums, or sites of education.
negative: Pre - nonmodern observatories are remarkably obsolete today, and remain as museums, or sites of education. Pre-nonmodern observatories are usually obsolete today, and remain as museums, or sites of education.