That’s still no moon, it’s Sailor Moon! So many other characters and machines that can destroy the world. From Dr. Who’s reality bomb and Osterhagen Key to the Eye of Ra from Stargate SG1 and Marvin the Martian’s Illudium PU-36 Explosive Space Modulator, if you want a way to blow up a planet, we got an answer for you.
Along with the properties mentioned in the episode, the following articles were consulted.
The 'Death Star' is not the only planet-killing sci-fi superweapon (interestingengineering.com)
The Most Destructive Sci-Fi Superweapons Of All Time (ranker.com)