Reply to post: Re: some thoughts...

Space dust reveals Earth-killer asteroids tough to destroy

Rich 11

Re: some thoughts...

Aiming something at the sun is not as easy as it might first seem. You'd have to push the asteroid in such a way that it loses its orbital velocity, leaving it to fall directly towards the sun. If it's left with even a slight velocity component horizontal to the radial line, you risk it missing the sun and slingshotting around and back towards you. It needs to either hit or pass close enough to the sun that the tidal forces rip it apart, and if it is ripped apart then the fragments have to be small enough that you can't be harmed by them: it becomes just another regular meteor shower like the Leonids et al.

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