Would it be completely wrong to say "The sun rises from the east"?
It has been agreed here recently that the following is wrong:
Would it be completely wrong to say "Where does the sun rise from?"?
so the period would seem wrong by analogy.
It's a matter of style, but I'd be interested to hear others' opinions (and practices).
PS: My original response in your text was set out better. This new editor doesn't seem to be able to take the hint that you want a line break.