Aliens and ET's Where They Come From

Some say we are not alone in the universe. They may be correct. So where do Aliens and ET's come from and why are they here? We will explore the possibilities and explain some answers.-Some claim aliens from a far planet: Zeta Reticuli, Pleiades, or Nibiru-Vatican admits will baptize them-Anunnaki interpretation of Zacharia Sitchen different from Sumerian language scholars-The Nephilim theory, Sons of God