All rest and motion of this universe is relative. No rest or motion is absolute.

A body is said to be in absolute rest when it is in rest with respect to an absolute rest object. Similarly, absolute motion of a body is its motion with respect to a reference object absolutely at rest. But in this universe, it is not possible to get a reference object which is at absolute rest. Since the earth is continuously moving around the sun, while the sun itself is moving along the galaxy with its planets and satellites. Thus when we say that a body is at rest or in motion, we mean it is to be so with respect to a body apparently at rest. So we can say that in this universe all rest and all motion are relative. No rest or no motion is absolute. 
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