> Depending on the size of the flung off boulders it may be preferable to the larger asteroid impacting. In nearly all cases, breaking an earth impacting aster

> Depending on the size of the flung off boulders it may be preferable to the larger asteroid impacting. In nearly all cases, breaking an earth impacting asteroid into smaller pieces, many of which will burn up or have less bad impacts, is better unless of course the asteroid would have missed the Earth but some of the smaller pieces hit.