the big bang shall bang into a sphere like structure. then a sphere like universe shall not be flat, it shall have some curvature, unless the universe is 2 d or a cubic like structure.
big bang contradicts flat universe??
Hi, the data says our universe is flat, but we are also told it starts from big bang into a 3 dimensional world.
How can our universe is flat from all direction while we live now in 3 D universe from a big bang? it has to be a curve if it is from big...