The cosmological proper distance is given by
where a is the expansion parameter, r is the radius of the region in question, and c is the speed of light. From the Robertson-Walker line element,
where
is the curvature of the universe.
(1)
where a is the expansion parameter, r is the radius of the region in question, and c is the speed of light. From the Robertson-Walker line element,
(2)
(3)
where
is the curvature of the universe.
回复Comments
{commenttime}{commentauthor}
{CommentUrl}
{commentcontent}