Earth's progression through the densities

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I agree with conifer17's assessment of first and second density. I think that every planet has 1st density activated by necessity, since all other energies use the red ray as foundation and so for any sort of life to exist 1st density needs to be activated. I don't think there are any planets in our system other than Earth with 2nd density activated (I could easily be wrong though). 3rd density Earth to me is represented by our global society and our social institutions, it is an abstract framework which allows us to experience 3D lessons and excludes lower animal life who are less capable of abstraction and therefore cannot assimilate into the framework of society.

Ra mentions that when 4th Density comes 3rd density will no longer be activated but revert to a potentiated state. I see that as meaning that our modern society may suffer a collapse or might simply not be compatible with the new awareness provided by 4D and that, until we as a species decide we are ready for a new global society, we will no longer have central institutions directing our action.