Imagine that new evidence is found that changes how the Doppler effect is viewed. It shows that objects in the red spectrum are actually moving toward Earth and not away. How would this change the view of the big bang theory? This would provide evidence against the theory since the universe is expanding.
This would provide evidence against the theory since the universe is contracting.
This would provide evidence for the theory since the universe is contracting.
This would provide evidence for the theory since the universe is expanding.