Errata1

After test, the constant in the accélération
équation of the dark énergy : dea = (constant)R has been not well
comparated to the

Hubble constant;

after correction:

(constante) = [(GM/(Rcritique)^3] =
(H)^2

all
was be correct , except it was nécessary to remove the 2 before (H)^2
, this because i have been unprécise
when

i have comparated this constant whith the Hubble
constant, it was rather nécessary proceeding in regard for accélération
for dark énergy

(dea) as being the dérivative of a speed by the
time , or :

(dea) = d(V)/dt = d(HR)/dt = H(dR/dt) =
HV

(dea) = HV = H(HR) = [(H)^2]R

(dea) = [(H)^2)]R = (constant)R

(H)^2
= (constant)

(constant) = [(GM)/(Rcritique)^3] =
(H)^2

Then,
now the estimation of the number of galaxies in a mean contraction
zone whit use of this constant is almost the same that

the one do whitout this constant, the différence
being lest than 2% ,(471 000 estimate whit this constant comparated to 463
000 estimate

whitout this constant).

And the density that i had estimate (whit this constant) for the mean
contraction zone must be also divided by 2 ,this is :

d = (2.115)(10)^(-26) kg/(m)^3

d = (2.115)(10)^(-29) kg/(dm)^3

d = (2.115)(10)^(-29) gr/(cm)^3

Do not forget that this density is more important than the mean density of the
Universe.