HUbble constant quesions

[saltrock]

Hubble got this forumula ,

Density=kH^2

k=constant
H=Hubble constant

What are the experimantal difficulties in determining the density of the universe accurately ?

Ans:The mass of the whole universe is difficult to find
same to the volume as well....what else ??????????????????????????????????????????please help me out

correct me if i am wrong :tongue2:

[Sirus]

Please post your question in one forum only (do not double post). Thank you.