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Mar27-10, 11:04 PM
Sci Advisor
P: 8,792
Bianchi and Rovelli are not saying anything new, are they? Take eg. this 2007 review
"The observational and theoretical features described above suggests that one should consider cosmological constant as the most natural candidate for dark energy. Though it leads to well known problems, it is also the most economical [just one number] and simplest explanation for all the observations. Once we invoke the cosmological constant, classical gravity will be described by the three constants G, c and Lambda"