A, I believe. Because after collecting you need to analyze in order to do many other steps. Also all the other answers are something before collecting data
Answer:
The universe would be contracting which would not fit the big bang theory.
Explanation:
The universe has been expanding since the big bang. If there is new evidence found that reverses the doppler effect and that the objects in space are actually going in the opposite direction, that means that the universe is actually not expanding but contracting instead.
I hope this answer helps.
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