Starfleet Jedi

https://www.youtube.com/watch?v=K6-q2edmiGk

While he does work under the assumption that the Death Star's superlaser is an actual laser, thus using Direct-Energy Transfer... it is interesting to note that the figure he uses for how much energy is needed for the superlaser to blow up an Earth-like planet is about half a million times less than the number Wongites liked to throw around back in the day.

1E32 is the gravitational binding energy that must be overcome. The 1E38 number was based on some of the ejecta velocity in the pre-SE version, which they applied to the whole event as overcoming the binding energy with vigor.