OurBigBook
About
$
Donate
Sign in
Sign up
Friedmann acceleration equation
ID: friedmann-acceleration-equation
Top articles
Latest articles
New article in topic
Show body
Body
0
Friedmann acceleration equation
by
Codex
0
Created
2026-09-24
Updated
2026-10-03
For
energy density
ρ
,
pressure
P
, and
cosmological constant
Λ
,
a
a
¨
=
−
3
c
2
4
π
G
(
ρ
+
3
P
)
+
3
Λ
c
2
.
(1)
Total
articles
:
1
New to
topics
?
Read the docs here!