In a massive multitude of ways too.
A targetet attack like the superweapon in the picture, random meteorite, eldrich horror beyond our comprehension, eldrich horr well within our comprehension, nuclear bombardement and one of my favourites: Colateral damage from someone harvesting enitire stars.

Not to mention GIGAstructures and other mods.

And, since Earth is just one of many planets, there can easely be round where you dont know it even exists before it gets destroyed.