Question

which of the following is evidence used to support the big bang theory
a background radiation
b increasing distance between galaxies
c both of the above

Answer 1

Well the increasing distance between the galaxies means at some point the universe was much smaller, and the background radiation had shown the same frequency at every point they looked at in space.

See if you can deduce the answer now, how do both of these apply to the big bang?

Answer 2

The big bang theory proposed that the universe was created from a primordial fire ball with infinite density and the theory was best proved bu cobe satellite by nasa examining cosmic background radiation.