I Can Honestly Say That I Never Thought of Asking This Question: Jedi Lightsaber vs. Superman

"Can a Jedi lightsaber cut through Superman?"
Yahoo! Answers

"Short answer: No.

"PLASMA
A Jedi lightsaber is plasma contained in a magnetic field. Plasma is basically the form of matter which stars are made of. Pre-Crisis Superman has flown through the heart of a star without being harmed. Therefore, he is ...."

Actually, a rather well-thought out response. With comments.