The Accelerating Universe and the Second Law
Gough, M. Paul
Original · EN
The main sources of information energy in the universe are shown to be stellar heated gas and dust and black holes. Information energy has properties similar to dark energy with a significant energy density that has remained nearly constant for at least the last half of cosmic time, corresponding to an equation of state parameter, wi -1, the value unique to dark energy. Changes in universe information content during star formation require an accelerating universe expansion in order to ensure dI>0. The size of this required acceleration is in good agreement with the observed extra doubling in universe size due to dark energy. Any information energy contribution to dark energy is determined by the extent of star formation, possibly answering the 'cosmic coincidence' question - 'Why now?'
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