2009's Knowing movie had an unforgettable ending, and here are the answers to some of its biggest questions. After John Koestler (Nicolas Cage), an MIT professor and astrophysicist, finds himself in possession of a sheet of paper covered in numbers that predict various tragedies and natural disasters, he sets about trying to stop the remaining events on the list. As the mystery of the numbers unravels, John learns that not only can he not stop the final event, but that it will wipe out all human life. In the film's shocking ending, he entrusts the care of his son to strange alien figures, sending him out among the stars before Earth is consumed by a deadly solar flare.

https://screenrant.com/knowing-movie-ending-explained/