Why was the separation of the superforce into three forces so important?
What will be an ideal response?
Question 2
If we observe one edge of a star to be redshifted and the opposite edge to be blueshifted, what can we conclude about the star?
A) The star is actually two bodies, one moving toward us, the other away from us.
B) The star is in the process of falling apart.
C) The star is in the process of formation.
D) The star is rotating.
E) The star's surface is very different from one side to the other.