The quote from that that blew my tiny human mind was: Which of the following would be brighter, in terms of the amount of energy delivered to your retina:

The quote from that that blew my tiny human mind was: Which of the following would be brighter, in terms of the amount of energy delivered to your retina: 1. A supernova, seen from as far away as the Sun is from the Earth, or 2. The detonation of a hydrogen bomb pressed against your eyeball? Applying the physicist rule of thumb suggests that the supernova is brighter. And indeed, it is... by nine orders of magnitude.