Astronomy Help

chief3233

1. The problem statement, all variables and given/known data
In a non-accelearting Universe, if the density of the Universe is equal to the critical density, then the Universe is

A. open.
B. closed.
C. flat.
D. empty.


2. Relevant equations



3. The attempt at a solution
I believe the correct answer is flat, but I just wanted to see if anyone else knew? Thanks!

chemisttree

That's what I would answer too.