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The Universal Two theories which involve changes over the lifespan of the universe: The Gravitational Constant changes as the universe is expanding. A potential mechanism that drives the Universe growth. This theory also brings forward that Space-Time is another form (thing) interchangeable with matter and energy. Both theories are correlated one to each other. Besides the above-mentioned main subjects, this paper also suggested that the red shift of the light from stars is not due to the Doppler effect as Hubble Law established but the effect of the Higgs Field during their journey toward us. This would explain the not need of Dark Matter. Basically, the two proposed theories have been developed by comparative state of the condition today versus any other age, this gives us the advantage of relative results. The calculation made compared with known parameters and already proven theories, match quite well. Other results cannot be compared because there is not data available or at least known by the author, however, the procedure used is the same as with already known parameter, therefore, such results might be expected to be correct. Based on the results and suggestions in this paper, one can say that revisions of some established concept related to Astrophysics might be made to get a better understanding of the universe and its evolution.