The meaning of "rotation" is the circular movement of an item about a fixed point or the turning around of its own axis. A three-dimensional object rotates along a fictitious axis known as the ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. And you probably learned that a day is 24 hours, due to the rotation, ...

Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 313, No. 1513 (Oct. 21, 1969), pp. 149-167 (19 pages) Model theoretical calculations have been made of ...

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