Super man already tried and failed to destroy the sun with atomic weapons.
Samantha Carter dit it (yes, it was not our sun but still). http://en.wikipedia.org/wiki/Exodus_(Stargate_SG-1)
"Don't try to outweird me, three-eyes. I get stranger things than you free with my breakfast cereal." - Zaphod Beeblebrox in "Hithiker's Guide to the Galaxy"