gordon mohr gojomousanet enough warning might even care trying divert meteor youd divert earth instead recall reading many years ago calculations done separately us ussr scientists different reasons effect nuclear explosions moons mass thus orbit thus also time earths path around sun believe conclusion mild changes moons composition would effect several years changing significantly earth would certain future point voila collision least initial threat need travel anywhere near meteor either moon gordon httpxentcommailmanlistinfofork wed 24 jul 2002 183323 0700 asteroids anyone