# Is the expansion of the universe from the time component of gravitational field which is an expansion force ? Is there another force?

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So that you  are aware ; all processes in the world (and their material) appear in the space-time structure . Therefore ; gravitational forces between materials are  repulsive temporal , attractive spatial . If there are no temporal forces  felt and  materials ; this is because that the processes are happened  synchronically without  time distances and usually the  average temporal thicknesses of  materials are approximately equal .
In the other hand ; the Universal expansion occurs by repulsive force of  the dark energy .                                       So it seems that this  repulsive force is the same temporal component of  Universal gravitation .

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