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 any

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.