Planet X-class Kuiper Belt Object (XKBO): A Kuiper Belt Object in a long period orbit around our sun, with sufficient mass to trigger life-threatening global Earth changes as the result of a flyby event. Marshall Masters, YOWUSA.COM:
“All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.” Arthur Schopenhauer (1788 - 1860)