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That reminds of part of an XKCD What If - Which of the following would be brighter, in terms of the amount of energy delivered to your retina: - A supernova, s
by arethuza 7y ago
That reminds of part of an XKCD What If - Which of the following would be brighter, in terms of the amount of energy delivered to your retina:
- A supernova, seen from as far away as the Sun is from the Earth, or
- The detonation of a hydrogen bomb pressed against your eyeball?
https://what-if.xkcd.com/73/ https://what-if.xkcd.com/73/
- derekp7 7y agoWhat I want to know, is how bright does a light have to be to blind you if the back of your head is facing it.