I "hope" you realize that astrology proponents are not talking about the fact that we all are made up of atoms which were formed in distant supernova explosions (as Sagan spoke of).

No...they are talking about positions of stars and planets actually effecting people in a most personal way, ie. Jupiter is in "such and such" quadrant of the sky, so it's a good time to invest money.

There is absolutely no mechanism to these ideas, so your idea that astrology is "yet to be proven" is putting the "cart before the horse".

Astrology does nothing but make vague "predictions" which can apply to almost anyone. It is worse than useless, it is a waste of time.