planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock
Disclaimer: Urduwire.com is only the source of Urdu Meta News (type of Google News) and display news on “as it is” based from leading Urdu news web based sources. If you are a general user or webmaster, and want to know how it works? Read More