According to the big bang theory, all matter in the Universe started at the same point in space and time) and has been expanding ever since. The big bang theory replaced the static model--that the Universe always had existed, was neither expanding nor
contracting, and has no beginning and no end.
Which of the following observations supports the big bang theory and contradicts the static model?
OA. Galaxies move as though they have far more mass than can be seen.
ОВ.
Different kinds of radiation are produced and absorbed by different things.
OC. Most galaxies are moving away from each other.
OD.
Stars are continuously being created and burning out or exploding.