Blonde goes to Space

A brunette, a redhead, and a blonde are ina space program and they are supposed to go into space. The brunette wants to go to Mars, so she goes. The redhead eants to go to saturn so she does. The blonde wants to go to the Sun. The space dude looks at her and says "Are stupid? You will burn up instantly!" The blonde looks at the guy like he's stupid and she says "Silly space man! I will just go at night!"