The debate now is when this all occured.
Time windows within 10,000 -8,000 yrs ago might not be "Heretic" after all.
Victor Clube and Napier forward the theme that impactors and "Super Tunguska" events have been the prime mover in shaping history on this planet.
Velikovsky links the fall of civilizations..the mass migrations of man..to these events.
Intererstingly...if one really peels back the Hebrew Prophecies of the Old Testament..one finds Hebrew/Kabbalistic/astronomical encoding forwarded...with future celestial allignment notes..almost a co-ordinate locate for a time sequence in the future..when "Heavenly" events will reshape this world again.
Nostradamus - a Jew and a Kabbalist...encodes a future war with world wide scale..that lasts 27 years...the war of "Mabus".
Whats interesting..is the continual reference to comets and global drought...mass migration..and the unhinging of the worlds social/economic reality.
Sounds very similar to the Book of Revelations.
I guess its up to man to ponder the why and werefore to all of this...and to pause and think,
Why were are being given this info in advance.