The worlds in collision are established Christian doctrine vs. what the Bible describes, because they’re not the same thing.
September 17th
Wormwood
Gall is an example of something which can be used to express either cause or effect. Bible passages that refer to the water of gall sometimes connect the concept to something called wormwood.
November 6th
The third trumpet is the third plague which involves large quantities of material falling out of the sky. The stars fall from heaven as the continents are moved into a contiguous landmass.