[tinnet]

hope the space dust does not wipe off the writing on the front: "this is not a laser powered bullet to destroy your planet, should totally just fly past, we did the math"

[lolc]

Haha, any atmosphere at all would disintegrate those things. Earth sees that calibre every minute. We'll totally aim right at the planets and won't hit them anyway.

Edit: Well, I forgot the relativistic speed that ball would be traveling at. So if the planet's inhabitants actually lived in the upper atmosphere some might actually get burned.