In your book "From Eternity to Here" I understood you to say that conservation of energy no longer holds for an expanding universe with dark energy. Alan Guth, on the other hand, recently (in the last year or so) said that he suspects that the net energy in the universe is zero. Are these two statements compatible? I'm open to both but my level of physics is not sophisticated to work it out on my own.
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In your book "From Eternity to Here" I understood you to say that conservation of energy no longer holds for an expanding universe with dark energy. Alan Guth, on the other hand, recently (in the last year or so) said that he suspects that the net energy in the universe is zero. Are these two statements compatible? I'm open to both but my level of physics is not sophisticated to work it out on my own.
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