Original sentence: Since the mid 1990s, an evolving cultural phenomenon has envisioned a disastrous collision or similar encounter within the next few years between the Earth and a large planetary object, variously referred to as Nibiru, Planet X, or Wormwood
Edited sentence: Believers refer to the large object with which the earth will supposedly collide variously as Nibiru, Planet X, or Wormwood.TheNibiru collision is a disastrous planetary collision between the Earth and a large planetary object which certain subcultural groups believe is going to take place in the near future