User blog comment:Nobody700/Have we seen a 'god disaster level' monster yet?/@comment-162.199.72.31-20151111204322/@comment-27342017-20151211182301

newton's third law, nothing happens since saitama didn't do damage to the moon when he lands so boros similarly did not harm Earth (nor his ship) when he kicks

If he kicks earth instead, boros himself would've flied to the moon while the earth sustains the same 0 damage