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originally posted by: canDarian
If you can't be bothered to read then I fail to see the need to post. You reefer (loosely) to 2 entirely different theories, proposed by the same man, 30 years apart... The March 2016 theory (this thread) was published in Jan 2016 .
U of A Researcher Links Mass Extinctions to 'Planet X'
March 30, 2016 NEWS
Friday, April 01, 2016
...Whitmire and his colleague, John Matese, first published research on the connection between Planet X and mass extinctions in the journal Nature in 1985 while working as astrophysicists at the University of Louisiana at Lafayette.
Their work was featured in a 1985 Time magazine cover story titled, “Did Comets Kill the Dinosaurs? A Bold New Theory About Mass Extinctions.”