Naked Science Forum
Non Life Sciences => Physics, Astronomy & Cosmology => Topic started by: melilight on 12/02/2013 16:15:10
Title:
How big is the universe ... compared with a grain of sand?
Post by:
melilight
on
12/02/2013 16:15:10
So how big is the Universe in comparison with a grain of rice??
//www.youtube.com/watch?v=AC7yFDb1zOA