72
What if everything was antimatter EXCEPT Earth?
(www.youtube.com)
A community for a webcomic of romance, sarcasm, math, and language.
I re-did the calculation. You are closer, but the conversion of half a gram yields about 10 kilotonnes. Makes the meteorite a bit worse.
Calculation based on 4'184'000'000'000 joules per kiloton TNT.
Now we just gotta ramp up production at LHC. Nobody tell them what the antimatter is for.